BIJLAGE 12 COMMENTAAR VAN RWS OP STEP TEN BEHOEVE VAN WEGONTWERP
BIJLAUb 12 BIBLIOTHEEK Bouwdienst Rijkswaterstaat Postbus 20.000 3502 LA Utrecht /
BIBLIOTHEEK BOUWDIENST RIJKSWATERSTAAT nr C D f . i ^ b - . . bcf.lft Subject: Needs to extend part 41, 42 and 43 of ISO 10303 (STEP) Author: Frank Mol, Bouwdienst Rijkswaterstaat, The Netherlands July 1993 e-mail adress: moiabd.rws.nl Date: In c i v i l e n g i n e e r i n g ( e s p e c i a l l y c i v i l s i t e e n g i n e e r i n g , d i g i t a l t e r r a i n m o d e l l i n g and road design) t h e d i s t i n c t i o n between ' h o r i z o n t a l ' and ' v e r t i c a l ' i s fundamental. The t h i r d dimension i s always t h e v e r t i c a l one i n e x t e n s i o n t o t h e f i r s t and t h e second i n h o r i z o n t a l space. A 2D space i s e i t h e r ' h o r i z o n t a l ' o r ' v e r t i c a l ' . V e r t i c a l space i s used p a r t i c u l a r l y f o r (planar) ' p r o f i l e s ' . Two c o o r d i n a t e systems a r e used: 1) C a r t e s i a n ; 2) O r t h o g o n a l w i t h one c u r v e d a x i s i n t h e h o r i z o n t a l p l a n e . C a r t e s i a n t r a n s f o r m a t i o n s a r e l i m i t e d t o 3D s c a l i n g and h o r i z o n t a l l y r o t a t i n g , s o : t h e s e t r a n s f o r m a t i o n s can n o t d i s t u r b t h e d i s t i n c t i o n between h o r i z o n t a l and v e r t i c a l . In v e r t i c a l space a s p e c i a l t r a n s f o r m a t i o n i s needed: v e r t i c a l c o o r d i n a t e s changes l i n e a r l y w h i l e h o r i z o n t a l c o o r d i n a t e s do n o t change. In t h e second c o o r d i n a t e system t h e v e r t i c a l p l a n e i s i n f a c t an u n f o l d e d s u r f a c e t h a t i s s i n g l e c u r v e d i n t h e f i r s t system. In c i v i l e n g i n e e r i n g ( e s p e c i a l l y d i g i t a l t e r r a i n m o d e l l i n g ) length_measures can be o f t h e type (long) i n t e g e r , i n c o m b i n a t i o n w i t h a l e n g t h _ u n i t t h a t f i t s i n t h e handled a c c u r a c y and t o l e r a n c e s . A remarkable b e n e f i t i s t h a t d a t a i n t e r c h a n g e v i a p h y s i c a l f i l e s c a n not d i s t u r b any i n t e r p r e t a t i o n (without s p e c i a l e n t i t i e s f o r t o l e r a n c e s s t i l l t o be developped i n STEP ? ) . T h i s i s s u e may have consequencies on topology, because g e o m e t r i c p o i n t s can then be compared e x a c t l y . Furthermore a new subtype o f curve i s needed: t h e s p i r a l , c u r l i n g inwards, outwards o r upwards. E s p e c i a l l y f o r road d e s i g n a inwards c u r l i n g s p i r a l i s needed: t h e (planar) c l o t h o i d , o f which t h e c u r v a t u r e i s l i n e a r w i t h t h e e v o l v e d l e n g t h . The r e p r e s e n t a t i o n i n c a r t e s i a n c o o r d i n a t e s i s o n l y p o s s i b l e by an a p p r o x i m a t i n g s e r i e s o f terms. Agreements i n d e t a i l a r e n e c e s s a r y about o r i g i n , s i g n c o n v e n t i o n s and a c c u r a c y (and perhaps c u r v a t u r e domain) t o s u p p o r t . In t h e f i e l d o f s u r f a c e m o d e l l i n g a new type o f bounded_surface i s needed: a t r i a n g u l a r _ c o m p o s i t e _ s u r f a c e o f which t h e patches a r e p l a n e t r i a n g l e s . M o s t l y t h i s type o f s u r f a c e has been g e n e r a t e d from a s e t o f p o l y l i n e s ( t h a t do n o t i n t e r s e c t i n h o r i z o n t a l s p a c e ) , w h i l e i t i s i m p o r t a n t t o know which edge o f t h e s u r f a c e comes from a p o l y l i n e and which edge i s g e n e r a t e d i n between. I have no i d e a , y e t , o f t h e impact on t h e r e l a t i o n between geometry and topology. As comment on t h e d r a f t p r o p o s a l o f B i l l Anderson (june 1993) about s w e p t _ s u r f a c e I agree w i t h t h e i d e a o f a c u r v e d p r o f i l e _ p a t h , but I have some remarks. The o r i e n t a t i o n v e c t o r s o f t h e p l a n e o f t h e p r o f i l e curve a r e : - both f i x e d o r - one f i x e d and one p e r p e n d i c u l a r t o t h e p a t h o r - both p e r p e n d i c u l a r t o the path. The r e a s o n i s t h a t i n c i v i l e n g i n e e r i n g n o r m a l l y p r o f i l e p l a n e s s t a y v e r t i c a l and f o l l o w o n l y t h e h o r i z o n t a l v e c t o r o f t h e p a t h . Furthermore I w i l l here r e f e r t o t h e f u n c t i o n a l i t y o f 'template p u s h i n g ' i n CAD systems: t h e s w e p t _ p r o f i l e (template) has s e v e r a l v e r t i c e s o f which each i s r e l a t e d t o an own p r o f i l e _ p a t h , so t h e p r o f i l e edges a r e s t r e t c h e d d u r i n g sweeping.
BIJLAGE 11
Mr V i n c e n t C h a i l l o u V.P. and G e n e r a l Manager AEC B u s i n e s s U n i t Computervision Corporation 100 C r o s b y D r i v e Bedford MA 0 1 7 3 0 USA
Our R e f : 19 J u l y
JMH/CAP/UJ22 1993
Dear
Chaillou
/ Mr
In J a n u a r y I had a meeting w i t h John P a r s o n s and H o r s t von B e r g c o n c e r n i n g t h e p o s s i b l e c o - o p e r a t i o n b e t w e e n MOSS S y s t e m s L i m i t e d and Computervision? the meeting focused h e a v i l y on the p o s s i b i l i t y o f MSL u s i n g t h e L i b e r a t o r d e v e l o p m e n t environment a s a v e h i c l e f o r t h e d e v e l o p m e n t o f a r e p l a c e m e n t MOSS product. W h i l s t t h i s a p p r o a c h w a s a t t r a c t i v e t o M S L , we h a v e made s i g n i f i c a n t i n v e s t m e n t i n o t h e r d e v e l o p m e n t t o o l s a s o u t l i n e d i n my l e t t e r s o f 2 7 t h J a n u a r y a n d 5 t h M a r c h 1993, copies of which are attached. I r e c e n t l y v i s i t e d t h e R i j k w a t e r s t a d t a n d was g i v e n a d e m o n s t r a t i o n o f D i m e n s i o n III within the C i v i l Engineering Division. D u r i n g d i s c u s s i o n w i t h F r a n s v a n Damm, i t w a s c l e a r t h a t t h e r e are major weaknesses i n the t e r r a i n » o d « l l i n g c i v i l e n g i n e e r i n g d e s i g n a n d s u r f a c e a n a l y s i s £a<=m£Les i n t h e CV product. A l l o f t h i s f u n c t i o n a l i t y e x i s t s i n MOSS a n d a s the d e m o n s t r a t i o n p r o g r e s s e d I was shown t h e u s e o f t h e DAL development language in another context. It i s n o w c l e a r t o me t h a t t h e r e i s a n e x c e l l e n t opportunity t o i n t e g r a t e t h e MOSS f u n c t i o n a l i t y w i t h i n t h e D i m e n s i o n III environment. MOSS c a n be d r i v e n from an i n t e r a c t i v e screen o r , more i m p o r t a n t l y in this context, by a s e r i e s of simple command l i n e s . T h u s MOSS c o u l d be r u n n i n g as a separate p r o c e s s communicating w i t h Dimension III. The u s e r i n ^ f « w o u l d be d e v e l o p e d i n D i m e n s i o n III w h i c h w o u l d i s s u e commands to MOSS. MOSS would then p a s s back the r e s u l t s o f the a n a l y s i s i n the form of i n d i v i d u a l data items, s t r i n g s of data or complete surface models. The u s e r would n e v e r s e e MOSS o p e r a t i n g , b u t t h e enormous range o f s t r i n g and t r i a n g l e based s u r f a c e m o d e l l i n g f u n c t i o n a l i t y would be available. t
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Mr V i n c e n t Chaillou Computervision Corporation
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I h o p e t h a t y o u w i l l b e i n t e r e s t e d i n d i s c u s s i n g my p r o p o s a l f u r t h e r a s a way o f i n c o r p o r a t i n g a d v a n c e d s u r f a c e modelling facilities i n D i m e n s i o n III to a short time s c a l e without significant investment. I am p e r s o n a l l y e x c i t e d a t t h e p r o s p e c t h e a r i n g from you. I w o u l d c e r t a i n l y be i n t h e USA at a time convenient to you. Yours
and l o o k prepared
sincerely
J.M. Houlton Managing Director
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Mr R u s s e l l H. Boekenkroeger Direction, Application Products
forward to to v i s i t you
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COMPUTERVISION
DEMONSTRATIONS
Pershing Hall MONDAY - SEMINAR SERIES 5:30 P. M.
Reengineering the Product Development Process
6:45 P.M.
Empowering Product Development Teams
7:45 P.M.
Empowering Product Development Teams Pershing Hall opens at 5:15 P.M. Come by for refreshments!
TUESDAY - FUTURES Here are the times the Futures Demonstrations will be shown: 3:30 P.M.,
4:00 P.M.,
4:30 P.M.
Come get a sneak preview of CADDS5 Revision 5! Table-Driven Family of Parts - See how you can link your spreadsheet to CADDS 5 to create a parametric family of parts. Tolerance Modeling - See how tolerance conditions can be attached to the parametric model and how the model can be evaluated at the various conditions. Bi-Directional Associativity - Yes we have it, and we've done it BETTER than everyone else! Interactive Rendering & HLR - Have you ever wanted to work completely in shaded mode? How about HLR mode? With Revision 5 (actually Revision 4.1), now you can. Come see this most-impressive new functionality. and more All of the other workstations surrounding the room will also be demonstrating.
We measure our success by our customers' successes.
BIJLAGE 1(
Booth 1 - NMT NMT Corporation specializes in the distribution of data and engineering drawings for enterprise -wide access. Their system based software compacts vector data to conserve file space; maintains a database of mixed vector/raster/text data; and distributes data as client -determined subsets to local and remote file servers. NMT also provides GCOM and scanning services. Booth 2 • Micro-Age MicroAge will display multi-platform hardware and software integration between Sun, HP, Macintosh and PC hardware platforms running CADDS5, MEDUSA & PVS, third party software and networking products including PC Xwindows, TechPubs, CVNC, Medusa, and AEC Application Specialist Booth 3 • Conceptual Technologies, Inc. Conceptual Technologies is uniquely structured to provide the highest quality of consulting and technical support to companies using Computervision technology. With some of the most experienced CAE/CAD/CAM consultants in North America, Conceptual Technologies offers professional sale and technical support in Computervision's full range of products. Booth 4 - Computervision Services A division of Computervision, Computervision Services is a leading service provider, supporting more than 35,000 systems in heterogeneous computing environments. The organization provides consulting, integration, education, and support services for applications, systems and networks as well as a full portfolio of open systems services, to customers of the company and its strategic partners. Booth 5 - Leasetec Systems Credit Leastec Systems Credit Corp. (formerly Primetec Leasing), as Computervision's preferred financial partner, offers innovative financial solutions to customers. We look forward to discussing any financial requirements you may have. Booth 6 - Brock Rooney & Associates Brock Rooney & Associates offers Database translators for CADDS and Personal Designer, DXF, IGES, and STL. Booth 7 - Rasna The Rasna booth will feature the MECHANICA family of shape and performance optimization tools to enable mechanical engineers and designers to quickly and accurately evaluate the structural, thermal, and mechanical performance of their designs.
Booth 8 - CVselect CVselect representatives will be present to discuss the many services offered to our customers, including software and hardware telesales. In addition, we will be distributing the brand new CVselect catalog for 1993. Booth 9 - SELMA The SILMA CimStation product family is 3D graphic software for the interactive design, simulation, and programming of automated manufacturing systems. Booth 11 • CV Customer Education CV Customer Education invites you to stop by their booth and try out the new computer-based learning course, "Fundamentals of Parametric Design". Also, pick up the latest education catalogs and learn about our new ISO 9000 courses. Booth 12 - Hewlett-Packard Stop by the HP booth and see the graphic performance of CVpvs on the HP 735 workstation. HP also invites you to "test drive" their Series 700 workstations and see the true meaning of Power. Booth 13 • CGTech VERICUT is a software program by CGTech that simulates the cutter motion and the material removal process of an NC tool path. VERICUT verifies the quality and correctness of the NC tool path. PrognuiuTiing errors or inefficient motion can be detected during the simulation process, which aids the NC programmer in correcting and improving the NC tool path. Booth 14 - Digital Equipment Corp. Digital will be demonstrating 2 Computervision product on its Alpha AXP line of computers; Medusa on Alpha Open VMS with a DEC3000 workstation, and Designview running on Alpha Windows/NT with a DECpc AXP/150. In addition, Digital has a suite open during vendor fair hours where they will be demonstrating CADDS5 running on a DEC OSF/1 on a DEC3000 workstation; please stop by the booth for an invitation to see this demonstration. Booth 15 - SICAM The SICAM Corporation will show case CAD engineering services (mechanical designs, new product development), and CAM rapid prototyping services. Booth 17 - Sun Microsystems Sun will be presenting the upgrade path to its latest graphics offerings, highlighting the exciting new ZX graphics accelerator. The latest release of CADDS has been designed to take advantage of Sun's spectacular new graphics products.
Booth 18-19 - John Steffen Associates John Steffen Associates will be presenting the latest technology for the complete CAD Solution by demonstrating MEDUSA Rev. 13, CADDS, Raster, Loading Databases Solutions and Custom Software Development. Information will be provided on Hardware and Software Installation and Maintenance, Education and Technical Support. Booth 21 • Indigo Graphic Systems Come by and talk about the world's fastest plotter combined with the world's only E-size duplicator. The 536-XL is both the fastest plotter and the only E-size digital duplicator - faster than the fastest engineering copiers, yet every copy is an original. It's ideal for high volume CAD environments and engineering reproduction departments. Booth 22 - Soft Designs, Inc. SDI is a Value Added Reseller for Computervision's CADDS5 and Personal Designer CAD/CAM Software. SDI will have two TATUNG workstations at the booth with both CADDS5 and Personal Designer CAD/CAM software installed, along with Rosetta Technologies' Pre VIEW software to allow access of CAD ~7 drawings, plot files, and compressed raster images through one user interface. -4 Booth 24 - CV ISS Worldwide Products Our "Partners of Choice" for productive solutions include: ADRA Systems, Alpha Tronix, CalComp, Epoch Systems, Exabyte, Formtek, Hewlett-Packard, KRB, Sun Microsystems, Tektronix, Theorem, and Xerox Engineering Systems. Together with these partners, CV ISS is providing solutions for Data Management, Image Management, Peripheral Subsystems, and Data Translation. Booth 25 - ADRA Systems CV-CADRA is a new integration product which includes CADRA-LTJ Design Drafting software, and CDT, a direct translator for converting CAD files from CADRA-m to and from CADDS 4X and CADDS5 database formats. Booth 26 • Mega Systems Integration, Inc. Mega-Systems Integration, Inc. will demonstrate their proprietary pro CADDS Part Inserter and Engineering ViewStation for MEDUSA, as well as a CASCADE'S Medusa-Builder application for the AEC industry.
FOR AEC
Robert L. Norton Product Manager, EDM Computervision User Conference Kansas City, MO September 22,1993
Agenda • S e r v i n g f h e N e e d s of the W o r k G r o u p • N e w Work G r o u p P r o d u c t s f o r A E C •sees - EDMInf ormat ion and EDMControl
• R e v i e w of the E D M P r o d u c t Family - EOMNavlgator, EDMVaun, EDMProJects, and EDMProgrammlng - Technical Document Management Syatem - CVware Conferencing
• Questions and Answers o*irri,kta IttlfcrCafMinlilia CiqtMla
Printed 9/16793
BIJLAGE 8
WORKGROUP PRODUCTS FOR AEC
|/ Concurrent Engineering = Work Groups
• Design Teams... ...of experienced specialists
• Pursuing Continuous Design Improvement... ...on multiple design problems
• Using All Available Information Resources... ...to re-use end extend existing designs
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The Work Group's Needs Access to latest data - In-process and released layouts, specifications, or drawings - Means to nuiew with team without traveling to a central location
Easy-to-use Werfaces - To selectively Identify and display design Information - Display relationships among design elements - Prepare bills of materials and where-used reports
Controlled change processes - Verify and notify all affected by changes - Access to date on project basis
Printed 9/16793
FOR AEC
How EDMInformation Works ATTRIBUTE REPORT CAPOS DATABASE
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EDMControl Organizes CADDS Parts And Highlights Entity Changes • Part Entitles Described By 3D-Zone and Engineering Discipline
• Simplifies Display And Understanding of Complex Design Projects - Mask vlawa by attribute value
• Alerts Engineers to Design Changes In View Part Assemblies - Compares two part versions and displays additions, modifications, and deletions
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New Products For AEC Work Groups • EDMInformatlon • Faster Identification and retrieval, nf parts « Records descriptions of CADDS entities • Automates entry and editing of drawing notes and labels • EDMControl • Allows comparisons between CADDS part versions • Supports design-by-zone methodologies ( W f i l k u IM1 aw CaavatmvUlaa Caj»ara«laa)
Printed 9/16793
WORK GROUP PRODUCTS FOR AEC
EDMInformation and EDMControI Concept CADDS Part Database
EDM Attribute Database
EDMInformation Increases Value of "Trapped" CADDS Design Data • IHakes itpossible to retrieve existing CADDS designs using specific engineering and manufacturing characteristics • Speeds drawing production by automating placement of standard CADDS notes and labels from a central database • Automates creation of Part Lists and Bills of Materials by extracting part description and quantity data from CADDS part databases
Printed 9/16793
FOR AEC
Providing Access and Information With EDMNavigator • Product Structure Navigator for "Navigating" Assembly Relationships - Application launcher, Where-used highlighting of component usage, and Parts-list and BOM report generation
• EDMAxcess Graphical User Interface For Designers, Engineers and System Administrators - Baaed on X-wlndows standard for support of any xterminal
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EDMVault Stores, Distributes and Catalogs Product Information • Controls Access to Data - Prevents two designers from updating drawings at the same time
• Distributes and Moves Data Where It's Needed - Transparently moves design data between dissimilar computer eysteme
• Catalogs User-Definable Part and Drawing Attributes - Enter Information describing vendors, manufacturing proceeeea snd group technology codes CanrrlaM* M U kr c ™ m i » r » U t « « C H t r n t l«a
Printed 9/16793
WORK GROUP PRODUCTS FOR AEC
EDMVault Tracks Part Revisions and Safeguards Corporate Databases In-work
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• Tracks Part Revisions - In-work and Released Version Tracking
• Safeguards Data With Automatic Tape Backup, Recovery and Archiving - Safeguards data If disaster strikes
• Keeps Teams Informed With Reports and Audit Logs - Create project status reports and version summaries
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EDMProjects Gives Project Engineers The Tools To Manage Design Teams • Graphical Tool for Creating Tasks and Review Procedures - Graphical uaer interface, tor creating, monitoring workflow* and review procedure*
• Built In Reports Highlight Design Review Status - Tracks drawings, file*, model* through design review
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FOR AEC
"Build Your Own" With Toolkit of Features in EDMProgramming • Programmatic Access to EDM Commands - Link third-party applications to EDM operatlona ualng C language routines like MRP and CAM/CAD
• Use Application Triggers To Accelerate Procedures - Create automatic file translations: e.g., convert drawlnga from CAOAM to CADDS whan retrieved by a CADDS operator
• Apply The Rules Processor To Force Consistency - Uae to capture rulea for consistent entry of attribute Information C*r*rifkt* !«•» by Caa*»l*r»l»i*a C » * m t t * a
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• EDMVauK Drawing Storage Software • EDMNavigator Usac^nterfaco • Raster Vle.nr and Mark-up Software • Plot Management Software • Server, Scanner and Plotter Systems
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CVware Conferencing Bridges Distance Between Design Team Members
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• Requires No User Tramlng - Moderator, Speaker^md Llatener Roles - All View Sama^AODS Model - Speaker maWs-up and commenta on designer all to see simultaneously
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BIJLAGE 7 SHEETS RWS VOORDRACHT EUROPEAN USERS VIEWPOINT ON STEP
European users viewpoint on S T E P September 1993 Frans van Dam
Rijkswaterstaat
Peter Kuiper
TNO-Building and Construction Research
RWS takes care of: • Infrastructure " planning - design & construction - maintenance
Protection against the water • sea - rivers
Regulation of the water ~ quantity ' quality
TNO main types of activity • policy studies • research and development • technical consultancy • technological business consultancy • strategic technological consultancy Features of TNO • turnover in 1991: ± NLG 734.3 million » number of employees: 4.950
Contents Introduction of Rijkswaterstaat and TNO Why STEP Developments in Europe How to implement STEP
RWS annual expenditure • employs 9000 people • 2.5 billion US$ total 2.0 billion US$ roads & structures • generates work in private sector for 30,000 people • 80 stations DIM III 70 stations MOSS 80 stations AutoCAD
The AEC-lndu»try
Characteristics of the European AEC-lndustry - a lot of small and medium size companies - a strong specialisation in some fields - even for simple building projects a lot of different parties are involved - no dominant party - no integrated product offer (turn-key)
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European developments
Problems - no reliable data transfer between different systems - different systems needed for: * different tasks • different subcontractors with each their own systems - structures survive present applications
There are three important programmes: Esprit (1.5 billion ECU in 10 years) Innovation programme for the software vendors and the end-users. Brite Euram Innovation programme towards the industry (more production related) Eureka More practical towards the industry
Examples of projects
Example* of projects
Building industry
General CAD/CAx projects CADEX (Esprit-ll)
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40 my PRODEX (Esprit-llI) 8 comp data exchange between CAD-systems and between CAD and CAx systems all based upon STEP
COMBI (Esprit-lll) 35 my Construction engineering and 6 comp knowledge base approach 51 my ATLAS (Esprit-lll) 6 comp Germany. Spain, the Netherlands and UK (6 partners) fase 2 CIMSTEEL (Eureka) - 400 my Steel construction - 8 countries
Examples of projects
Ship building Neutrabas (Esprit II, finished in 1992) 30 my, 14 comp
MARITIME (Esprit III, started in 1992) Norway, Sweden, Germany and the Netherlands (total 7 partners) 44 my, 9 comp close co-operation with NIDDESC USA most important result: several Application Protocols for the ship design (as part of STEP)
ProSTEP directed towards the automotive and electronic industry - BMW AG - Daimler Benz AG - GIDA mbh • Kernforschungszentrum Karlsruhe - Robert Bosch - Siemens AG - Universitat Karlsruhe - Volkwagen AG / Audi AG - TU Berlin Membership: Industry, money and 2 men every year Vendors, money and 0,5 men every year
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PDI/CALS Centres in Europe ProSTEP: Germany PDI/CALS Centre: the Netherlands GOSET: France CADDETC: UK Examples outside Europe PDES inc.: USA Nippon STEP Centre: Japan
Step-by-step plan for PDI/ Civil Engineering
product model levels of data exchange.
Why STEP Possible solutions Reliable low level standards eg 2DBS, STEP part 201 for 2D drawings Product models for product type: - Road Model Kernel - Viaduct
BIJLAGE 6 SHEETS CV VOORDRACHT COMPUTER VISION AND PDES/STEP
S T E P Definition: 5»
• The Standard for the Exchange of Product Model Data (STEP) is a neutral mechanism capable of completely representing product data throughout the life cycle of a product. ...the completeness of this representation makes it suitable not only for neutral file exchange, but also as a basis for implementing and sharing databases and archiving. ISO document "STEP Parti: Overview and Fundamental Principles:
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Advantages
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• The World-Wide Industrial Community is rapidly Accepting STEP. • STEP Will Quickly become a Common "Neutral" Data Representation for CAD/CAM • Acceptance of a Standard Such as STEP is Necessary to Achieving true Inter-Operability of Applications. • Information systems in the future will be composed of "plug-compatible" applications using standard data formats - STEP will be a large part of those formats.
S T E P Implementation Levels Level 1: Passive File Exchange • ASCII or binary • Application Independence Level 2: Working Form • Temporary data structure • File exchange partial • Software closely coupled to data structure • Data structures have no knowledge of each other Level 3: Shared Database • Persistent data • Creator and users share joint access • Granular data management Level 4: Knowledge based
Generic Product Data Model • Resource models are a resource for applications • Resource models are data/information models • Resource models are versioned • Integrated models are configuration and version controlled collections of resource models Resource Models'
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Benefits of controlled product data transfer > Data transfer in a global manufacturing environment • Data sharing between all applications used across development and manufacturing Data exchange with different trading partners, both domestic and international Data exchange within a corporation and between both its suppliers and its customers
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C o m p u t e r v i s i o n ' s Commitment to S T E P • Support for the standard definition process through input to the relevant committees • Implementation of the standards as they evolve; this includes updates to existing applications, as well as development of new products • Selection of development partners who are committed to the STEP standard • Collaboration with these partners ensuring efficient development activity
CV STEP Roadmap • Phased development of CV translator technology • Phase 0 • Planning and feasibility • Detailed specification end plenning of STEP products • Rationalization of current translators • STEP "Proof of Concept' joint ventures between customers and vendors
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• Direct translators are not the preferred solution
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BIJLAGE 5 ABSTRACT VOORDRACHT CAD/CAM GOES TO SEA
J O H N R. L I N D G R E N , JR., W I L L I A M A . SOLTTARIO. A R N O L D P. M O O R E & M I C H E L A . STREEFF Ingalls Shipbuilding, Inc. P . O . Box 149 P a s c a g o u l a , MS 3 9 5 6 8 - 0 1 4 9 (601)935-3394 FAX (601)935-5991
CAD/CAM Goes to Sea: the SA'AR-5 Design and Construction
T H E AUTHORS
John R. Lindgren, Jr. is vice president for engineering at Ingalls Shipbuilding, Inc., a Division of Litton Industries in Pascagoula. Miss. He joined Ingalls in 1958 and has held various positions in the Engineering Division and participated in the design of numerous merchant ships, drill rigs, submarines and surface combatants and auxiliary support ships. Mr. Lindgren is a 1958 graduate of the University of Southwest Louisiana. His degree is in mechanical engineering and he is also a licensed professional engineer. William A. SoUtirio is the director of advanced technology at Ingalls Shipbuilding, Inc. in Pascagoula, Miss. He received his BS. degree in chemical engineering from the City University of New York and has 28 years experience in marine engineering and design. His current responsibilities include the direction of Ingalls' IRAD programs and several Navy-funded R a\ D programs to improve ship's performance and reduce ship's operating costs. He is a member of the Society of Naval Architects and Marine Engineers and past chairman of the Gulf Section East Area. Arnold P. Moore is the director, design engineering at Ingalls Shipbuilding where he is responsible for all new construction design and engineering activities. Prior to promotion to his current position, Mr. Moore served as chief naval architect at Ingalls. He has 24 years experience in ship design, construction and repair. Mr. Moore holds the professional degree of ocean engineer as well as a master's degree in naval architecture and marine engineering from MIT. He also earned a bachelor's degree in naval science from the US. Naval Academy and is a registered professional engineer. Mr. Moore served as an engineering duty officer in the US. Navy and is currently a captain in the Naval Reserve. He is a past chairman of the Gulf Section of the Society of Naval Architects and Marine Engineers and a member of the American Society of Naval Engineers and Sigma Xi. Michel A. StrcifT is the manager of CAD/CAM applications at Ingalls Shipbuilding. Inc. His responsibilities include design, development, implementation and maintenance of scientific and manufacturing applications for Ingalls. Mr. Streiff received his BS. in mathematics from Mississippi State University in 1966. He has coauthored a paper regarding Digital Data Transfer of CAD data on the Aegis Cruiser Program. His previous experience includes a position with the Boeing Company as an associate research engi-
148
Naval Engineers Journal. May 1992
224
neer and he has also held various management positions with Ingails Shipbuilding. Previous positions were section manager in business applications organization and manager of applications planning, where he developed strategic plans on the use of computer technology for ingalls Shipbuilding. ABSTRACT The SA'AR-5 Corvette Program is the first major warship construction to be entirely accomplished using a 3-dimensionai. interference checked computer based design. This paper disamei the organization and approach used to create the design models which form the basis for interference checking as well as the source of extracted production data. The design or product model is the nucleus of the computer data base that defines the configuration of the entire ship. The data base includes geometry, weight, and material, as well as production control data. The ability of the computer to link such diverse information is the key to maintaining configuration control during the course of the design and construction. The ease with which formatted manufacturing data (both N.C. fabrication and installation) can be extracted enables the preparation of detailed pnckages containing the desired geometry as well as the atsorieted material and sequencing data, thus assuring the producibility of the design. The SA'AR-5 design is CAD/CAM's state of the art in US. shipbuilding. rNTRODUCTION T h e S A ' A R 5 Corvette Program is the first major warship construction to be accomplished using a three-dimensionai. interference-checked, computer-based design. This paper discusses the organization and approach used to create the design models thai form the basis for interference checking, as well as the source of extracted production data. The design product model is the nucleus of the computer data base that defines the configuration of the entire ship. The data base includes geometry, weight, and material, as well as production control data. The ability of the computer to link such diverse information is the key to maintaining configuration control during the course of the design and construction. The ease with which formatted manufacturing
CAD/CAM GOES T O SEA
UNDGREN/SOLITARlO/MOOREySTREIFF
Table I. SA'AR 5 principal characteristics. i serrs
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Figure 1. Ingalls computer-aided design history.
data (both numerical control fabrication and installation) can be extracted, enables the preparation of detailed packages containing the graphical data, as well as the associated material and sequencing information, thus assuring the producibility of the design. Figure 1 outlines the history of computer aided design (CAD) at Ingalls. The progression from a basic 2D drafting system, which significantly improved drafting productivity, to a fully integrated 3D C A D / C A M system is evident. The current system improves design and construction producuviry by producing an interference-free design and generating manufacturing data directly from the product model.
The SA'AR 5 combat system was designed to be equally effective in countering subsurface, surface, and air threats. Figure 2 identifies the combat system arrangements on an outboard profile. The armament systems consist of: 8 2 8 1 2 2 6
The combat system engagement capabilities are depicted in
S A ' A R 5 CHARACTERISTICS A N D PERFORMANCE The SA'AR 5 corvette is a state-of-the-art combatant designed to meet the requirements of the 90s and beyond. The principal design objective was to maximize combat effectiveness while retaining a high degree of survivability. The principal characteristics of this "pocket cruiser" are listed in Table I. The CODOG propulsion system, consisting of two 3000 HP MTU cruise diesel engines and a 30.000 HP G E LM2500 gas turbine geared to both shafts, enables cruising speeds of 21 knots and a maximum speed in excess of 34 knots. The propulsion plant monitoring and control system, a portion of the ship monitoring and control system, is an electronic based data multiplexing system. The data is routed on a shipwide data bus along with ship control. ^ plant control, and damage control signals. The use of redundant data paths and multifunction consoles ensures system integrity over a wide range of operating scenarios. Five monitoring and control consoles are distributed in the pi ot house and machinery spaces. Four of the five are virtually identical, allowing any monitoring and control functioni to be performed from any console. Sophisticated, yet reliable, system software includes control algorithms which provide maximum system performance and control safeguards. User-friendly menu-driven color displays include pushbutton control functions and pictorial displays of system configuration, such as valve status and operating parameters^ The ship monitoring and control system is representative of the ship s overall design philosophy, which incliides the incorporation of state-of-the-art systems specifically engineered to provide maximum performance and survivability. e
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Barak Vertical Launch Units Harpoon Launchers Gabriel Launchers 76mm Gun or Phalanx CIWS MK 32 Totpedo Tubes PIS 22mm Sea Vulcan Gading Guns Rocket Launchers
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Figure 3. . The onboard combat system is complemented by a helicopter capability which includes a hangar and support systems foTeither the HH65A Dauphin or SH-2F aircraft. Night flight operations and IFR conditions are assisted by fixed and portable landing control systems and a hydrauucally operated helicopter handling system. The nerve centers of the combat system are its electronic sensors and weapon control systems. These electronic systems can be subdivided as follows: -
Command and Control Navigation Interior and Exterior Communications Air and Surface Surveillance Underwater Surveillance Counterrneasures Fire Control
The command and control system is the focal point for all technically significant information collected throughout die ship In an engagement situation, the command and control system generates prioritized target/weapon solutions The navigation and communicanon systems include a full range of state-of-the-art systems designed to provide positional data and support the transmission and receipt of voice and data message traffic. Air and surface surveillance systems include: -
Air Search Radar Automatic Missile Detection Radar
Naval Engineers Journal. May 1992
14'
C A D / C A M GOES TO SEA
UNDGREN/SOLITARIO/MOORE/STRE]
Figure 2. Combat system arrangement,
-
Surface Search Radar Navigation Radar Identification Systems Radar integration System Opoonic Detection Operator Display Consoles
the SA'AR 5 more than meets its principal design obleem for performance and survivability. DESIGN APPROACH
The optronic detection system consists of an infrared surveillance assembly, infrared surveillance enclosure, infrared detection enclosure, and optronic processor. The underwater surveillance system includes a hullmounted sonar, variable depth sonar, and a passive towed array. The counter-measure system includes: -
Electronic Support Measures Electronic Countermeasures Chaff
-
Underwater Countermeasures
The fire control system includes: - Barak Missile Fire Control System - Gabriel Missile Fire Control System - Harpoon Missile Fire Control System - Gun Fire Control System. This system includes one 20mm Gose In Weapon System, two 25mm Sea Vulcan guns to engage small close naval targets., two Lynx Target Designation Sights to control the 23mm guns, and one unit to interface with die weapon control system computers. - Underwater Fire Control System Reduced radar cross section and infrared signatures complement its formidable active systems, enhancing survivability in battle against modem airborne threats. In summary.
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Naval Engineers Journal. May 1992
226
The S A ' A R 5 design plan utilizes a three-dimensior C A D / C A M system as a tool to implement the Ingalls zo design and construction strategy. This section will disci the benefits of employing C A D / C A M , explain the zone t sign and construction philosophy, and outline the organi: tion of the product development team.
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C A D / C A M BENEFITS
A number of benefits have been realized from the use of a three-dimensional C A D / C A M system. Some of these benefits were anticipated when the system was implemented; others have emerged during the course of the design process: -
Superior Interference Checking: This benefit was the primary reason why a three-dimensional system was implemented. It has proven to be a very powerful tool and is much more accurate than manual composite techniques. A three-dimensional CAD system can control modeled objects at all points in space and detect and report interferences. Two-dimensional techniques can only depict objects at selected planes, and subjective judgment must be utilized in the identification of interferences. Three-dimensional physical models represent all points in the model space, but these models are extremely expensive to prepare, and human error is often introduced when drawings are prepared from these models.
-
-
Improved Production Work Packages: This benefit was not foreseen, but it has proven to be a key element in die design plan. Once a CAD model has been built and interference checked, construction drawings can be extracted in the format that is the most cost efficient. The SA'AR 5 work packages have been prepared to support each of the construction phases. Each of these packages contains only the irifotTtianon and material needed to support that particular work operation. This concept frees the craftsman from picking his work off of a large systenvonented drawing. Separate packages are usually uieuaied for shop fabrication, assembly preoutmnng, and final outfit work. In addition, special packages are prepared to support operations such as machinery packaging. Computer Aided Manufacturing: Machines for steel and aluminum plate cutting, sheetrnetal fabrication, and pipe ' bending are controlled from computer data bases maintained by Engineering. These data bases are prepared from product models as an integral pan of the design process.
-
Increased Communication. Teamwork, and Productivity: In process CAD designs are more accessible to other members of the design team than are manual designs, since the work of other individuals can be called up on CAD terminals forreview.This feature, when combined with a co-located team approach, fosters better communication and teamwork. Increased productivity is achieved primarily through the elimination of redundant work using model libraries for such items as background arrangements, equipment models, and standard details.
-
Greater Customer Visibility: Using project review software. CAD models can be surfaced and used to present the developing design to the customer. This technique has proven useful both during design reviews and in the resolution of technical issues.
ZONE DESIGN AND CONSTRUCTION
Ingalls has utilized a modular construction strategy for over twenty years. Using this technique, the ship is split into a number of construction units called assemblies. The structural elements for each of these units are fined and welded.
227
and outfitting items and distributive systems such as piping, ventilation, and wire ways are installed at the assembly level. In the case of the SA'AR 5, assemblies will then be erected and welded and systems finalized to form the completed ship. The design strategy for the SA'AR 5 mirrors the construction strategy. The ship has been split into IS design zones, each of which contains several construction assemblies. Figure 4 is a profile of the ship illustrating these design zones. Detail design is organized into three distinct phases: functional design, zone design, and production design. These phases are discussed below: -
Functional Design: A systems-oriented, total-ship approach is taken during functional design. During this phase, basic engineering calculations are completed, equipment selections are made, and schematic diagrams are prepared for pipe, vent, and electrical systems. Longitudinal strength, superstructure air blast, and other basic structural analyses are completed. Key space arrangements are determined.and weight budgets are allocated to systems and components.
-
Zone Design: During this phase, a three-dimensional CAD product model is created for each design zone. This product model contains ail elements of the ship: including main structure, equipment arrangement, piping and ventilation systems, and hangers, wireways. waveguide, and foundations. This model is checked for interferences and all specification compliance.
-
Production Design: The design geometry is determined during zone design. The purpose of production is to present the design to shipyard uafuiuen in the most usable format possible. Separate shop fabrication and field installation work packages are prepared. Material allocation is a very important aspect of this design phase. Raw material is allocated to shops with fabrication packages, and completed shop sub-assemblies are allocated to preoutfitting and ourfining packages.
DESIGN TEAM ORGANIZATION
The SA'AR 5 design marked the first large-scale use of concurrent engineering at Ingalls Shipbuilding. The product development team included representatives from production planning, production engineering, shipyard craft supervision, and material semiring, as well as engineers and designers. The participation of production personnel began during functional design but intensified during the zone design phase. During this period, any producibiiiry features that impacted the basic design configuration had to be identified and incorporated into the developing C A D models. These features included basic manufacturing breaks, system routing, and machinery package boundaries. During the production design phase all C A D models were routed to planning for detailed definition of manufacturing units and for work package billing. This was done prior to extraction of work package* by Engineering so that these decisions could be reflected in the development of the work package. In addition. C A D models were screened for material availability and standardization prior to work package preparation. The engineering team for the SA'AR 5 design consisted of a matrix organization in which selected principal engiHavat Engagers Journal. May 1992
151
neers had responsibility for ship systems and technical areas, and selected principal designers had responsibility for design zones. Priricrpal engineers were assigned for fourteen tedmical areas. Each of these engineers supervised a group af other engineers who performed analyses and developed systems within each of the teefmical areas. Principal engi(•eers also served as the primary customer for technical matters. PrniCTpal designers, working under the supervision of C A D design supervisors, controlled the development of the design within each design zone. These principal designers took the lead role in resolving arrangement issues within their design zones. Design zones were illustrated in Figure 4. Areas of responsibility for principal engineers are listed below: Naval Architecture and Ship Signatures Ship So-uctures Weight Control Outfit and Habnability Noise. Shock, and Vibration Main and Auxiliary Machinery Deck Machinery - . Piping Systems Hearing, Venoianon. and Air Oxviitioning -Ship and Machinery Control Electrical Power and Ughbng Cotniiiand, Coorroi. and Communications Combat Systems Vendor and Government Furnished Infctnianon C A D / C A M LINKAGE T H E PRODUCT MODEL CONCEPT
The key element in the plan for implementing C A D / C A M technology is the product model. The product model is a 152
Navel Enoweera Journal. May 1992
diree-dimensional representation of the ship and all of components that make up the ship's systems. Each eiem is modeled as an object and ail of the attributes of the t mem associated with it in the data base. Examples of si attributes are properties such as weight, K G . material, spe fication, etc (Product models are done at the level of det that is considered appropriate by the design functio Model merging can eventually result in a model that refle the entire ship. Product models are entered into and m aged by relational data base management software. The tensive breadth of information in the product model d base becomes the mechanism which allows integration w other software systems that drive the processes. It is important to recognize that the product model de with "objects- such as valves, gas turbine engines, dec lights—not just lines, arcs, or cylinders. An extensive ar of 3D C A D modeling applications for ail disciplines of si design has been developed. The assignment of a part nu ber to an element provides a means through which intee tion activities can be efficiently accomplished. INTEGRATION APPROACH
Ingalls* automation approach has been to automate t areas of highest return. Approximately ten years ago t manufacturing and material functions were automated pri to the start up of development of C A D 3D modeling car. biliry. Systems for material reqturements planning (MRI rtuuerial cataloging, pipe beading, and sheetmetal flat p; tern development were already in place. Consequently, t goal was to interface data extracted from the 3D models these existing systems. On S A ' A R 5. the approach is to int grate systems and organizations. Engineering 3D-mode and interference checks the design. Materiel validates tl material prior to transmissions to MRP. and Productic
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Planning assigns work authorizations to models and validates MRP input. The final step is for Engineering to extract drawings and manufacturing data. C A D / C A M HARDWARE An important aspect of the system is the hardware integration and configuration. At Ingalls, c o n n ^ - a i d e d ^ u f a c turing (CAM) applications are processed on an LBM 3UW host computer. The C A D applications are processed on Hewlett Packard engineering workstations. Machine insrructions to drive the numerical control ( N O are stored on IBM mimcomputers and personal computers. These computer systems have been networked to rrunimize manual intervention. Figure 5 depicts the C A D / C A M hardware configuranon.
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AN EXAMPLE OF HARDWARE/SOFTWARE LINKAGE
A good example of electronic transfer is heating, vennianon and air corKUtionmg (HVAC) system interfaces. An object is modeled in 3D ship space on a C A D workstation. The geometric parameters and material attributes are extracted from the 3D nwdel and transferred electronically to a Flat Pattern Development (FPD) routine that resides in the LBM host computer. The LBM host develops the flat pattern for rnanufacturing and creates the ttiecinne's to a plasma burning machine. Machine mstrucnons are transferred tronically to a mmiconiputer located in the manuracntnng enIn necessary shopfloorpaperwork is ated in hard copy and sent to manufacturing. The machine are from the mirucornputer to trie ccniroller of the burning machine by the machine operator entering the desired part number. The pan is then cut.
uTStrucnons drive
vnonment. addition, uTSTrucnons loaded
eleccre-
tural data. The 3D model* for structure is developed in SPADES and transferred to CALMA. Penetrations trom distributive systems (Pipe, HVAC. and kernel are identified in CALMA and transmitted back to SPADES to allow holes to be included in the numerical control (NO aeasad pans image. Plate definition for miscellaneous foundation is transmitted back to SPADES for inclusion in the NC nested pans image. Material Catalog;—A replica of Ingalls' host based Material Catalog is maintained on the CAD system: HP/APOLLO hardware under ORACLE relational data base system. The catalog is updated on line on the CAD system and transactions are transferred to the LBM host for catalog update. The catalog is utilized by CAD to validate legal pan numbers and to obtain descriptive data It laajad on the drawing pans list.
C A D SYSTEM INTERFACES HIGH LEVEL DEFINITION
Material Requirements Planning (MRP>—Material remuremems at the model level are uaiisiinrtrrl to the MRP system after being validated by Material Sourcmg^Proi planning scopes the modeL assigning geometric t to work auihuiLUOoru that fabricate and/or uv op, ^kiimiiH. Material rcquueiuciiti are then uausmitted to the MRP at the ntodd/work auihornaiion leveL
Figure 6 shows the C A D system and the level of integration, both accomplished and planned. A brief explanation of the interface follows: 1 SPADES—The SPADES (Ship Production and Design Engineering System) is the central repository of struc-
4. Pipe Fabrobtat—The g e ^ --j aaejedej r r " ' *"* '^T^T^^^ **^ the Pipe Bend Sysem where ptoducibil^^ rcyprrf^—i and ihrjpfkxytnstrontnra are created. T
M
n
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W
4| , n
5. HVAC Fabrication—The geometric definition of sheetmetal pans, along with the material requirements, are tnuumiaed to the HVAC Irabneatic* system that performsflatpattern devetopnient. creates machm^ tions to create the part, and provides the necessary shop Hoor comrol instructions. 6. Technical Pubtonotts-CALMA-crea^ drawings are I to Interleaf format and are transmitted to the Publishing System (EPS) for creation of technical i ;
7 Figure 5. CAD/CAM hardware.
Integrated Logistic Support (D"-S}—This interface selects items worthy of logistic analysis and establishes the initial requirements in the ELS system. NavWEneneers Journal. May 1992
229
1
Ui^LAjKJii
8. Weight Control—As the CAD design is released, weight and CG actuals are sent to the Weight Analysis System (WAS) for reporting of budgeted versus actual weight. 9. MSC NASTRAN—The structural model is interfaced to MSC NASTRAN for stress and shock/vibration analysis. 10. Pipe Stress and Flow—Inputs to AAA Technologies TRIPLEX, used for pipe stress, and AAA Pipe Net used for flow, is extracted from the CAD model and transmitted to these two analysis applications. PROJECT REVIEW CAPABOJTY
Among the more significant capabilities made available through the implementation of software technologies is the Project Review process. Engineers, planners, and craftsmen have historically used derail design drawings to define arrangements and installation procedures. Optimum workability was determined through the experienced visual interpretation of these documents, andrequireda mental conversion of these two-dimensional images into three-dimensional representations as they actually appear on board ship. The Project Review capability involves both dedicated hardware in the form of a workstation integrated into the C A D / C A M communications ring, and software that extracts product model geometry data. These data are rendered into colored and shaded images from the actual design product model and are used to ensure correct and optimum planning of ship construction. (Figure. 7) Concurrent engineering is a term becoming more often heard as a means of achieving higher quality designs and more efficient manufacturing. Ingalls Shipbuilding is actually and actively employing this technique by co-locating planning and production personnel with the product designer throughout the design process. This merging of craftsmen and designers from
the outset of a program is done with a single goal in mindmaxuTuze produdbiiiry. The principal tool used to achieve t goal is the Project Review Terminal (PRT). This terminal is a workstation configured to support creation of a realistic graphic depiction of design wire-fra models. These colored and shaded images reflect the mo as it appears to the craftsmen. It is capable of being viewed from any angle or from any distance. It can be verted from its design orientation to depict in full detail hi it may appear in specific stages of the construction proce A "blanking" feature allows different systems which s eventually co-located in a common compartment or space be optionally shown or deleted. As an example, pipir which may be installed prior to ducting may be shown wi out the confusion of showing the duct images that will t be present to the craftsman. In this case, the duct is said be "blanked." Later, when the craftsman is installing t duct, all of the data will be visually available for revie These kinds of features improve routing of distributed s\ (ems design and installation. The equivalent of a "wa through" the design can even be created and all aspects oi given area reviewed to whatever degree of detail is appr priate (Figures 8 & 9). Modifications and improvements c be defined and evaluated at the terminal and can be quick incorporated into the design product model. The Project Review Methodology usage continues to e pand. Terminals are being installed throughout the manufa turing areas for quicker access to craftsmen and manag ment. Terminals are being acquired to accurately acce progress, better understand design problems, and come better and more complete solutions. This has proven that ti PRT and the improved communication links that it has pr vided is one of the most valuable tools in the Ingalls' tec* nology toolkit. FUTURE DEVELOPMENTS The paper thus far has addressed the application C A D / C A M to the S A ' A R 5 design and construction. Th section looks to the future and the inevitable integration computer-aided engineering (CAE) to an operative ar complete C A D / C A M system. The emphasis placed on tl manufacturing end of the C A E / C A D / C A M spectrum w; dictated by the obvious pay-back associated with ship co strucnon. Our objective in the next few years is to eiihani the linkage of C A E within the system in order to achieve e: gineenng economies as well as a superior product.
Figure 7. SA'AR 5 machinery space. 154
Naval Engineers Journal. May 1992
In piping design, our intent is to initiate the produ model data base in the engineering phase, performing pi; stress and flow analysis on schematic layouts and inrrodu ing material control early in the engineering/design proces Stress and flow analysis will be refined as the design pn grosses within the constraints imposed by the engineer. In the area of structural design, the early model deveiot ment will be interfaced to MSC NASTRAN as required ft stress and shock/vibration analysis. The development, ana ysis. and correction of structural elements of the same pro uct model used to generate manufacturing aids will signif cantly reduce design time. It also ensures a produi relatively free of normal transport errors associated with tf
LJNTX5R£N/SOU
rAKlU/MUVJIU^O 4 tUiirr
Figure 9. SA'AR 5 passageway. Flgure 8. SA'AR 5
mampuiarion of models in off-line hardware and software ^ T u r i r d example of future C A E linkage is ship weight momtoring and control. Associativity is the ^ < W ^ t ° characteristics tied to discrete elements of a product model. One obvious characteristic is unit weight which, when combined with unit location, provides all of the information required for a design weight analysis. The design stability calculations can be performed by linking the product model with the weight analysis system, thereby eliminating manual loading of the system from detailed design druwincs As previously discussed, me ability to inspect and manipulate a shaded model of the design zone has added a new dimension to production planning. The sequencing( and^actual installation of distributed systems, for exantple^anoe planned and practiced on the partment models contain everything modeled by the designers in their exact locations. This exact «presentanon of the delivered ship, along with its associated data base, can be used by the customer for any number of applications, ranging from material ioentification to damage control trauung^ Although no one can predict the exact course of future developments, the remarkable ^ , biliry foreshadows a future with real-tune tours through Product models and industrial " W ^ J - * virtual reality; the ability to not only enter the model but touch and change it in real time. m
SJ?Xp
SUMMARY This paper describes the evolution of C A D / C A M technology at Ingalls Shipbuilding, culminating in the first complete C A D design of a surface warship.
The use of connwters to aid the design and manufacture of a ship is not new. What excites the ship designer about today's technology is the enormous power of the relatively ^expensive hardware and efficient software. There is no limit to the possible applications of this technology to ship design and life cycle support. We realize that we have only begun to exploit the available capabilities. For once, we are not watting for a new breakthrough to accomplish our goal. We need only to apply what's available and manage that apPh
Tteauthors are proud of their contribution to the industry's first step and we hope to continue shaping us inevitable growth. REFERENCES lindgren. JJL Jr.. -Application of Computer Techniques for the Cotistrnction of a 1000-Ft Great Lakes Ore Carrier. Marine Technology. January 1972. ^ Moore. AJ?., "CAD/CAM in a Modem Shipyard. Marine [21 Computers So.17 April 1986. [3] McConnelL F.L. and Hays. B.N.. The Successful Implementation of Structural CAD/CAM in a Small Shipyard.
[11
Marine Tedatotogy.lW-
CAD/CAM Network for Work Packaging Development and Database Management," Marine Technology, May 1989. [51 Ayen, RjTcaUahan. PJ.. Katsel, B.. "Applicauon ofa General Pmpose CAD System in the DDG-51 Design Process." Naval Engineers Journal. May 1988. Gallagher. CJ. Jt» The SA'AR 5 Corvette," American Soratry [61 of Naval Enssneen Symposium Transacnotis. September 1990. S o l u a n o T T Z "The Evolution of CAD/CAM at Ingalls [71 Shipbuuxhng." paper given at MarineG^ters 91 Symposium, Burlington. MA. 26 September 1991. © -
Navel Enemeeni Journal. May 1992 231
.,„_„,
[41 O'Hare, M.S. and Anderson, M.F.. "An Integrated
155
BIJLAGE 4 SHEETS CV VOORDRACHT CVAEC ROADMAP 1993/1994
BIJLAGE A
C V a e c R O A D M A P 1993/4
At Ha*
15th Saptambar 1993
CVaac Roadmap 1993/94
talis
mV C V a e c Strategy •
Ensure that our current customers enjoy improved benefits and productivity from their use of existing C V products
• Grow C V ' s share of the A E C market • Work in partnership with our customers to develop new products which make them and C V s u c c e s s f u l •
Enable our customers to move with us to the next generation of products, as they become available
M. HaM 15th Septambar 1993
CVaae Roattnap 1993m
2ot is
C V a e c Deliverables
• C V p v s 2.0 (planned delivery Q4 '93) - A d v a n c e d lighting (spot and point lights) - Three new camera traversal methods - A d v a n c e d material editor - Shadow casting
M. HaK
15th Saptambar 1993
CVaac Roadmap 1993/94
11 one
C V a e c Deliverables
• C V p v s 2.0 (planned delivery Q4 '93) cont'd.
M HaU
-
Radiosity and Ray Tracing
-
New c o m m a n d line arguments
-
Multi-file processing
15th Saptambar 1993
CVaac Roadmap 1993&4
120116
C V a e c Deliverables • C V p v s 2.1 (planned delivery Q4'93) -
Solaris Z X support
-
Evans and Sutherland Freedom support
• C V p v s 3.0 (planned delivery Q2 '94)
M. Hat
-
Project Database S Q L interface
-
Project plan viewing
15th Saptambar 1993
CVaac Roadmap 1993m
13
one
1/
AEC Business Unit
COMI
CVaec E n g i n e | O Object Model O 3D A E C Modelling O Catalogs and Libraries O Interference Checking Engine O Design Rules Checking O Generic Database Query and Reporting O Application Development Toolkit
ow m wi7/n
A E C Business Unit PPM/DIMENSION III Release Summary \ Q1.93
Q1.94
DOM/DIMENSION III Release 9.0 HP/Apollo & VAX VMS
DOM/DIMENSION III Release 9.3 HP/Apollo & VAX VMS Maintenance
C V a e c DIMENSION III Release S u m m a r y ! Q.2,93 CVaec DIMENSION III Release 9.1 HP-UX New GUI
Q2.94 CVaec DIMENSION III Release 10.0 HP-UX Alpha Enhancements
John P^ajreofis) DM •
V17/U
A E C Business Unit
CVaec DIMENSION III Release 101 Planned Enhancements Cont.
O ' C Interface for Expert Systems Support -
Safety Analysis tied to P&ID
O Improvements to EDM Interface -
Add Support for New GUI
O Isogen Upgrade O IFC Conflict Re-Classification JofW PtfMM OM M 1/17*1
A E C Business Unit CVaec DIMENSION III Release 101 Planned Enhancements Cont. O Further Enhancements to GUI -
Labeling and Dimensioning
-
Allow for Access and Modify Tables and Filters
O Parametric Component Modeler Enhancements -
Improve Catalog Systems to allow access from all Applications
-
Component Dimensional Modification
-
Z-Clip Support
-
Complete Piping Functions DM •
H7.11
AEC Business Unit
I
CVaec DIMENSION III Release 10 Planned Enhancements
O Port to DEC Alpha -
O/S Under Investigation
O Increase Viewfile Size O DacDisk Improvements -
Dynamic Allocation Increase Size
John Pcrvofw
OM m tnrm
CQMPLJ I • H V H T J N
AEC Business Unit
DDM/DIMENSION III Release 9.3
O Maintenance Rel. for HP/Apollo Domain O/S and VAX VMS Workstations O Release will contain all the latest major bug fixes
John PvnofW OM U I XI 7*1
AEC Business Unit CVaec DIMENSION III Release 9.1 Software Technology Transfer O New CV Base Product Packaging: -
Increase Base Functionality
-
Software Library Management
-
Reduction in Yearly Maintenance Costs
-
Easier to Configure and Buy
-
New Graphical User Interface
-
Increased Performance
-
Bi-Directional Model Transfer, 9.0 & 9.1
AEC Business Unit
CVaec DIMENSION III Release 9.1 Q2 1993 O New Graphical User Interface O Motif Style Menus, Pull-Downs and ICONS O Core and Applications O Interfaced with DAL O Customization Guide
O Peripherals -
HP Digitizer Tablet
-
Calcomp Large Bed Digitizer
-
HP Laserjet III
-
HPGL2, Calcomp 907 Plotter Formats
John PsjhMiM
DIM m ftir/n
E7
AEC Business Unit
C O M P U T MR
CVaec DIMENSION III 2 year Release Plan| FCS
Rel
Contents
Platform Support Current Status
Jan 93
9.0
Enhancements
Digital VAX HP/Apollo
Shipping
July 93 9.1
Port + GUI
HP-UX
Shipping
Q1/94
9.3
Maintenance Only Digital VAX HP/Apollo
Planned
Q2/94
10.0
Port to Alpha GUI + other Enhancements
Digital Alpha HP-UX
Planned
Q2/95
11.0
Enhancements
Digital Alpha HP-UX
Planned
Jotm P H W M DM • W17lta
BIJLAGE 3 SHEETS CV VOORDRACHT OPEN ENGINEERING DATA MANAGEMENT CAD/CAE FOR PLANT DESIGN, MARINE & ACE
CVaec Business Group COM
P U T E R VISION
Open
EDM/Cad/Cae for
Plant Design, Marine & A C E
COMHUTfcHVISION HfcSIHICrtO
S7 COM
CVaec Business Group
P U T R VISION
1992 Market Share in A E C (worldwide)! (Based on Software Product Revenue) Plant Design and Shipbuilding ($166M)
Infrastructure (S153M)
7.37% 7 37%
8.00% 16.84%
6.50%
40.00%
12.63% 19.00%
3789%
2.50%
8.42%
2400%
• •
• CV • AuioOesK • o Q Other • POMS • KCS • Fujitsu B BM
COMPU1 ENVISION NfcSIHICItu
Slirt* Numb*r 2
|] AuioOesK • IG CV Fujitsu y Nemetschek
Q Other
cv»»c
m u
S7
CVaec Business Group
C O M P U T E R VISION
• _
What an AEC Customer Values) 1. Cost of documents (quality,engineering cost) 2. Security, Environment and Fiduciary Exposure require legacy's data protection between owner/operators, contractors and subcontractors 3. Ability to capture and leverage expertise (process vs projects) 4. Schedule compression: - Time to market (construction's cost, windows of opportunities) - Cost of borrowed money "Digital product data exchange is the key to leadership in 21st century [engineering]. to work for all of us The skill and vision with which we, together, put this technology will largely determine our success in the unprecedented economic transitions sweeping around the globe." Robert M. White Technology Under Secretary for U.S. Department of Commerce COMPU TEH VISION HESTHIC TED
Slide Nurno*T 6
S7
CVaec Business Group
C O M PUTTER VISION
Process Plant Information Flowjj Permanent Project Information Repository 3rd Party Applications Administration Scheduling Material Control
Training/ Start-up
)p« rations
•
Malnt. Feasibility Study Plant 0 salon (Detail 3D)
I Process Flov Diagram
Process Simulators Aspen SSI Chem share
Pi ID
Equlpm.n Section
Preliminary L»you1 (20/10)
Construe Iter Does). (2D)
Piping Structural Electric**Controls HVAC Architecture
Existing Drawing (Raster) Site Invest.
I
f^. Civil Site
5
AT
t
E
Salety A Regulation Reviews Compliance (Raster)
Suppliers / Subcontractors Requlremerrls'(<1yr) COMPUTERVISION RESTRICTED
Design / Construction (t -10 yrs) Sim. NumMr 7
Operation / Decommissioning (20-50 yrs)
E7
CVaec Business Group
C O M P L f T E R V I B I D N
Cost-Influence Curve] Ability to Influence Cost High
Conceptual Planning
\ Design Procurement
!,,,
Start-Up"'"? ^
<
Maintenance Low Start COMPOTEHVISION
Complete
Time Slid* N U I M a
RESTRICTED
CVaec Business Group C O M P U T E B VISION
Shipbuilding Information Row) Document Control & Product Life Management Scheduling (3rd Party)
f Ship \ - w I Own«
Oulflttlng Design (3D) CV Lssdsrshlp
Ship Definition (Form) CVnurbe NAPA BMT
Structural Frame Piping PIMM Electrical/Controls Architecture HVAC
Construction Oocumonta (20)
Training Fabrication t
Assembly NC, Robotics, Flame Cutting, Welding
Hull Design Noting 3rd Party
CVnurbs KCS Proprietary
I
Material Control MARS
Subcontractors/ Equipment Supplier*
otlwa
coMPUifcHvisioN HEsrwcrcD
Slid* Number 9
J
Commie* atoning
Ope ration a Maintenance & Repair
K7
CVaec Business Group
COM PLTTER VISION
Infrastructure Projects Information Flow| Detail Engineering: Transportation Road Design Airports Transit Drainage
Alternatives Investigation
Project Definition
Const. Drawings & Bid Docs
(2D)
As Built Drawings
Maint. Database
(2D)
(Raster)
Survey
(2D & 3D) Structures & Utilities Tunnels Bridges Lighting Buildings
(CV)
I Site Investigation
Terrain Model 30
Environmenta Reviews (Public)
Environmental Water/ Wastewater Plants Ground Water Dams Landscaping
(CV) Frequently Requires Speciality 3rd Party Applications COMPUTERVISION HEStHIClEl)
Slid* Numbvr 10
K/
CViec
1993.1
CVaec Business Group
COMPUTER VISION
AEC Competition| Typical Vendors High-End
Mid
Low-End
COMPUTER VISION HESTN1CTEO
Characteristics of Products
Cad Center (PDMS)
Very large project models (DB), Interference Checking, Piping "Database approach"
IG
Owner/operator satisfaction Large portfolio of applications Managing data/raster
AutoDesk (AutoCAD)
Slid* Number 11
Low cost for drawings Defacto standard for AEC 3rd party applications
CVaec IWM
t /
CVaec Business
Group
1993 AEC Opportunities-Competitors Weaknesses No competitor has real technology leadership
•
Intergraph has difficult Clipper transition and overall business weakness AutoCAD/PC business entering transition phase Cost of internal proprietary solution Major drop out from competitors (CADAM, Applicon, Catla, Autotrol, PASCE) Owner/Operator relationship not satisfied by Proprietary Solutions i.e. Autocad, Microstation
oammmmmm mittens
K /
CVaec Business
Group
11993 AEC Opportunities -CV Strength) •
CVaec for Dimension III on HP-UX
•
CVaec for Cadds 5 on SUN/HP/DEC
•
CVaec for MPDS (Design in Solids) on SUN/HP/DEC
•
EDM robustness
•
New Drafting development (and P&ID)
•
New Isometrics In Cadds
•
CVpvs success
•
New AEC specific packaging priced to market
•
Leadership in shipbuilding/offshore
•
Ability to be full service provider - worldwide CV*M
IfM-l
K /
CVaec Business
Group
1993 AEC Opportunities - CV Strength (cont'd) | NSTB grant India development center : CVI Singapore developments Alliances with market leaders Leverage STEP initiatives by the company and partners Third party recruitment Transition from proprietary document manager Owner/Operator program with New PC Drafting introduction Transition of the Computer Industry i.e. Windows NT
aN>-uTfjtvmoN
mwmano
M
CVaec Business
Group
Business Strategy-" A Virtual Company"! •
Multi-level development implementation: Core, Applications, Industry Specific Applications
•
Exhaust the current technology and Phased re-deployment of resources of existing products in India and Singapore
•
Create an identity of successful partnerships based on various segment/geographies of the market: Three Alliance centers (USA, EMEA, GIA)
•
Protect and transition all legacy data in a STEP environment
•
Be the most open AEC Cad/Cae solution, but maintain our competitive advantage by a pragmatic/efficient implementation
eatm/mnmom
MaxMcrao
amwkni
CVaM
tWJ-i
CVaec Business Group COMPUTERVlSiaN
.
A E C Customers Protection |
•
Introduction of CVaec for Dimension III on HP/UX rev9.1
•
Introduction of CVaec for CADDS on Sun, HP, DEC C5 rev4 & rev4.1
•
Introduction of CVaec for MPDS on Sun, HP, DEC Med rev12.2
•
Maintenance Enhancements
•
Productivity and Performance Enhancements
•
Common new Products (ie: Design++, Formtek, CVpvs, EDM, CVp&id,...)
•
Data Protections via STEP
•
Similar Userware
•
Plan of CVaec for Dimension III on Alpha rev10
•
Plan of CVaec for CADDS5 on Alpha, SGI rev5
•
more... COMPUTERVISION
flESTHICTEQ
S
h
d
*
1
t
t
CVaec Business Group
COMPUTER VISION
C V a e c
Organization:
a F o c u s e d Industry A p p r o a c h |
Geography
Dedicated Team ISS.Sales, Partnership Centers
AEC customers base Partner VAR Distributor Installed base Competition Institution STEP Initiatives
AEC r&d CVI
COMPUTERVISION
RESTRICTED
s u a . N u m M r 17
cv»« mu
CVaec Business Group COM
P U T E P , VISION
Alliance Centers) EMEA Harston
Step Commitment
COMPUTERVISION RESTRICTED
Slid. Numbw
19
CVaac
1993-1
K7
CVaec Business Group
CDMPUTEPViSiaN Product
Models |
Data Transfer: - Other Systems • Analysis
Database: - BUI of Materials - Catalogues > Specifications
Conceptual: - Hypermedia • Knowledge Based Systems
Graphics: 3D Models | Drawings Raster
A product model may be viewed from different viewpoints
COMPUlEHVtStON
Slide N u m b e r 20
HfcSTHlCILJ
K7
CVaec Business Group
CdM PUTERVIQION
CVaec
Framework
other developments
•0 f . 1'i llf^itjlil
Database
Shipbuilding
User Interface
others 1 *^ * 'st''' ^^j^^ commodities
Geometry
Graphics
CV'Core
COMPUTEHVISION
HfcSiHICrED
Slide Nvrttbttr 21
CVeoc
IttS-l
CVaec Business Group
COMPUTER VISION
C V a e c Will Offer C o e x i s t e n c e B
B e t w e e n T o d a y ' s Very P r o d u c t i v e C V P r o d u c t s a n d T h e Future
C u s t o m e r s C a n W i t n e s s T h i s with
j O u r First C V a e c P r o d u c t s : C V p v s , C V P&ID a n d C V a e c E n g i n e «
C O M P U T E R VISION R E 3 F H 1 C T E Q
S l i d * N u m M r 22
CVaec
1WJ-I
CVaec Business Group
COMPUTER VISION
CVaec Product Offerings! •fcSIEP
iDMvauIt EDMcontrol
EDMproject EDMinfo EDMprogramming
COMPUIfcRVISION
RESTRICTED
S l i d * N t i m o t f 23
(ED1WPM)
CVaec Business Group COMPUTERVISION
COMPUTERVISION RESTRICTED
S l i d * N u m M T 25
CV««C
1993-1
BIJLAGE 2
SHEETS CV VOORDRACHT TRENDS IN DE ENGINEERING, MARKTAANDEEL CV
D I J L A O C
V COMPUTERVISION CORPORATION'S STRATEGY
RCPUCKCMOMl p.1 CompuUrvMaon ConMonaal
s/_
The Computervision Vision To be the partner of choice for the most important thing our customers do... product development
Conputwvtaioft ConlrtintW
R£JHKKCMO*VU p 2
Z
CV's Customer Commitment To help customers gain a time-tomarket advantage by continuously improving the productivity of their people, processes and technologies.
Comput»rvi*ton Confidential
RCPUCKCM09V13 p.3
§7
Overview: The Manufacturing Business E n v i r o n m e n t
Connputwvifion CoohMnul
MPUCKCMOM1 p 4
Manufacturing Business Drivers The Trend : • 1960's
—
to lower c o s t s
• 1970's
—
to i m p r o v e quality
• 1980's
—
to c a p t u r e market n i c h e s
• 1990's
—
to win with time-based competition
REPUCKCMOWN P 5 Con*>u«rvtiKXi C o n M w K M
§7
A Changing Manufacturing Environment / Old Paradigm: Increased profitability willflowfrom increased product revenue
\
Z * Rising costs c a n n o longer be p a s s e d to customers * D e m a n d is d o w n for m o s t g o o d s a n d s e r v i c e s * Local markets are n o longer protected CoovwUrvniofl ConManul
REPUCKCMOMU p e
New Values • Leverage your (value-added)
core
competencies
— Understand customer needs — Design to meet customer needs — Control the image through branding and merchandising (positioning) • O u t - s o u r c e the rest u s i n g the e x t e n d e d • Think
enterprise
globally
— Sell, source, design and partner globally
RCPUCKCMOMl p.7 Cornputtfwwon Con Mono*
A New Way of Doing Business /
\ New Paradigm: Increased profitability lies in enhancing the product development process
\
/ • Reducing "Time To * Improving 9
ComputMvnion ConMantial
Increasing
product
Market" "quality"
productivity
RCPUCKCMOMl p i
mV COMPUTBIVWaN
Success R e q u i r e s B e i n g Better T h a n the C o m p e t i t i o n
REPUCKCM09/93 p 9
Computervision Confidential
The Importance of Time-Based Competition Profit Accumulated Over Life Cycle
1 0
0
10 20 -30 -40
50 Computervision Confidential
1 1 Market introduction 6 months late 50% Cost over-run in development Source McKinsey & C o
REPUCKCMOS/93 p. 10
MCAD Market Characteristics CAD/CAE/CAM Software $2 Billion
Source: Dataquest Inc Source. International Data Corp REPUCKCM09/93 p 12
Computervision Confidential
$1 Billion Spent by Aerospace and Automotive Industries Major Manufacturer
• L a r g e , c o m p l e x projects • Long development cycles • High d e v e l o p m e n t c o s t s
Partners
• Vertically integrated supply chain
Suppliers
Computervision Confidential
REPUCKCM09/93 p.13
$1 Billion Spent by General Mechanical Industry •
Major Manufacturei
* Diverse products 9
9
F e w to m a n y
9
parts
\J
(r v 1
Short to long development
Major Manufacturer
cycles
Expanding u s e of supplier chain
Compulwvwan CanlhMnlid
/ Partners
/
>
I >
Suppliers
REPUCKCMOM3 p.14
AEC Market Characteristics $500 Million Spent on CAD Software * Concern about environmental, legal, and security exposure 9
9
9
Owner/ Operator
Very large, vertically integrated design and construction staffs and supply chains
Engineering Contractor/ Shipbuilder
Multiple sources for data and issues of quality control
Suppliers
Very long project life RCPUCKCMOMl p.1»
CofflDutarvwon Contd«n»«l
c/ Almost All Companies Want to Shrink T T M and Increase Productivity Time to Market An auto company.
Best Today
1996 Goal
3 years
1 year
Vision Engine in a day
Cofflpuiwvuion ConMansal
RCPUCKCMOMl p. 16
Some Companies Want to Increase Customization and Quality Ability to Customize A major aircraft engine maker...
Best Today 1
2
,
o
1996 Goal
t
5
,
o
t
Vision Batch size of one
Batch sizes
A major plant engineering Arm 3
A subMultlpla *y»temln two days s
u
b
<
y
8
t
0
m
9
plant Ufa cycle RCPUCKCMOMl p.17
ComputatviKoo ConMenMI
CV's Strategic Approach * Attack the entire p r o c e s s c h a i n *
E n a b l e total p r o d u c t
* S u p p o r t the extended 9
modeling enterprise
Partner with customers, understand process
their
chain
REPUCKCMOM3 p 11
Compuwrvmon Confidential
WJ
CV's Strategic Approach Attack the entire process chain Engineering Data Management (EDM)
I Unified Geometry System r i — —i Concept
=i
U
<
>.
v Design
(
sj
Analysis
S =3
Drafting i
—
sj
/
Manufacturing
L.
si
REPUCKCMOM3 p 1» CompuUfvnian ConMandal
CV's Strategic Approach Enable total product modeling Segmented Component-Level Approach
A
IX.
CV's Total Product Approach
A\
fV
M O M ] p 20
Computwvnton ConMtfltai
7
Cr CV's Strategic Approach The extended enterprise Plastics Manufacturer 7
us.
7
Sweden S
\
Component Provider
Tooling Supplier Fabrication Supplier
| A C M TOOL C*.
Germany s Cornputsrvtiion Coo Ms nQ si
Design Services
Major Manufacturer
DDDDDDD
71
•••••• •••••• Italy
1
/
France RCPUCKCMOMl p.21
Airbus: An Example of The Extended Enterprise 3
• Project-oriented
** ?? Pr****" »
h a r i n
«
development • Engineers work concurrently of location or
regardless company
affiliation • Partners and major suppliers share
«r
risk Sourca Airbus Induslria
REPUCKCMOM3 p.22
Computtrvnion ConMtnM
7
Cr
CV's Strategic Approach Partner with c u s t o m e r s , u n d e r s t a n d their p r o c e s s c h a i n s
Product Development Diagnostic (PDD)
Document customer processes A
Benchmark Best Practices
Gap Analysis
/ /
s. Recommend solutions based on 'best practices' Cofflputwvtwon Con Manual
\
REPUCKCM09/M p.23
Recommended Solutions L e v e r a g i n g the collective brainp o w e r o f the entire
Best concurrent
Process
team
engineering
process to serve the
team
T h e right t e c h n o l o g y for e a c h Technology team
member
RCPUCKCMOSA3 p 24
Compultfvitwn ConMantat
17 Customer Example: A T T M Opportunity 21 MonthsProposal Final Design
Project Initiation
Manufacturing Introduction
Preliminary Design
Conyularwiiori ConMcntlai
RCPUCKCMOM3 p.2S
Customer Example: Our Recommendations 21 Months Proposal Automated Mm*consuming actlvitlss
Project Initiation
Manufacturing Introduction
Final Design
Eliminated redundant activities
Leveraged Engineering Data Management Minimized paperbased dsta management
Preliminary Design Reduced the number of design-build-test cycles Reduced number of physical prototypes
REPUCKCMOMl pM
ComputMvnton ConldonKal
_____ Customer Example: T T M Savings \ Unchanged
•
Project Initiation
50% Reduction. ™ l Proposal Ui i Preliminary _ Design
/
Cotnputwvwon ConMcnttal
7
14 Months
-SJ
3 < r
* Reduction Final Design
Unchanged
•-aaV—-• 35%
Mfg Intro
Time Savings
\
RCPUCKCMOSAU p 27
Financial Gain from Improved T T M / 60M / SOM /
$70M
40M
$62M
/
/ 20M / 10M /
30M
0
/
2 ($2M) Investment
Cost Savings
Incremental Revenue Advantage REPUCKCMOM3 p 21
Computprvmon Contdantst
CV has the Right Process
Implementation Planning
TF Education & Training Computwvnion ConMpntal
TF Project Hanagemenl
TF Systems Integration
TF Worldwide Network Management RCPUCKCMOeAl p 2»
CV Has the Right Approach Driven by Industry/Customers and Partners
3E Aerospace
Automotive
Consumer
Mechanical Machinery
3E
3E
3E
3E
AEC
3E
Integrated Enterprise Solution
Conceptual Designer
Detail Designer
5: Process Planner
..etc.
31
21
3E
NC Programmei
Tool Designer
3E
Streamlined Personal Productivity Tools Driven by Individual User Needs R E P U C K C M 0 9 / 9 3 p 32
Computervision Confidential
CV is Dedicated to the C A D / C A M Market 18.4%
CV
C V is the largest c o m p a n y in the w o r l d d e d i c a t e d to Mechanical C A D / C A M
IBM
EDS
SDRC
Auto-
PTC Appllcon
HP
MS
IG
desk
U.S. Vendors Computervision Confidential
Source: IDC 1/93 R E P U C K C M 0 9 / 9 3 p.33
coMP«srs
CV has the Right Technology Relative Market Share 7T\
Fastest Growing Segment
Other
Other
Other
Sherps
EDSUG
CADAM
CATIA
EDSUG
Auto SDRC
Other Other CATIA EDS-UG
SDRC EDS-UG Autodesk
Autodesk Swanson
Intergraph Apphcon
CATIA
CV
CADAM
CATIA EDS-UG
CV CV
MATRA
MacNeal Schwendler
PTC
EDM
Other
PDA
CV
CV
CV
C o n c e p t D e s i g n — • Analysis
•
Drafting-
C jmputervision Confidential
Relative Market Share
-Manufacturing REPUCKCM09/93 p 30
CV Has the Right Technology Partners to Help with Point Solutions * PDA Engineering for sophisticated stress analysis * Valisys for coordinate measurement and quality control * ICAD for knowledge-based engineering * Point Control for efficient 2.5 axis machining * ITI for analysis for design engineers * Light Works for high quality rendered images * R A S N A for mechanical design optimization * SILMA for robotics and workcell simulation Computerv,„on C p n M w M
REPUCKCMOT/93 p 31
COMPUTERVTBCW
1 in C A M Market Share Rank
Company
Revenues ($ Millions)
% of Revenues in 1992
1
Computervision
38
12.4%
2
E D S Unigraphics
29
9.4%
3
Dassault Systemes
28
9.1%
4
Matra Datavision
14
4.6%
5
Applicon
9
2.9%
6
Intergraph
7
2.3%
Source CIMdata, 1993 C o m p u l s i o n ConM.rl.al
R E P U C K C M O O T J p. 14
c/ AEC is #2 in Plant Design, Offshore and Shipbuilding
graph
R E P U C K C M 0 9 / 9 3 p 35 Compulervis.on Confidential
COMPtTTEBViaKSfll
Best Computer Productivity Tool for Design Engineers DESIGN NEWS
The Best< 9 2 Products Of 1992
Computervision Confidential
R E P U C K C M 0 9 / 9 3 p 36
c/
CXIMPUTERVniON
The Most Visual Data Management Software in the Market Place Computervision is ranked as #1 in Data Management
Computervision Confidential
REPUCKCM09J93 p.37
S 7
CADDS 5 Release 4.0: The Most Significant Release Since Introduction * Major a d v a n c e s in parametric
modeling
• 14 n e w c o n c u r r e n t applications * Hundreds of customer enhancements • N e w high speed H P platforms
REPUCKCMOM9 P 34
Computtrvinon ConfctonWI
MEDUSA Shares Top CAD Billing in Computerworld Magazine Survey * Puts e m p h a s i s o n the engineering
drawing
* Market f o c u s is the Mechanical
Machinery
Industry * Allows users to engineering 9
Enjoys
automate
activities
high-quality
reputation Convu»Mv4tMn CoiHWpnIM
RtfucxcMOWM D y
THEDA Rev. 3.0 Wins Blue Ribbon for "Best New Product" Award for 1993 9
A u t o m a t e s the d e s i g n of circuit b o a r d s
9
S p e e d s T T M for products and
9
printed
(PCB) electronic
systems
Is t h e p r i c e / f u n c t i o n a l l e a d e r
in
the P C B d e s i g n market 9
R e v . 3.0 i n c l u d e s compliance and
X-windows major
customer-driven
enhancements
Compuurvnion ConM*nM
REPUCKCMOM1 p 40
c/ Personal Machinist is Two-Time Winner of Machine Design's CAD/CAM Leader Award 9
F u l l 2 1/2- a n d
3-axis
functionality 9
Integrated v e r s i o n with Personal Designer C A D
9
Standalone version works any C A D
9
package
Beats competitors
in
functionality, performance e a s e of
with
and
use RCPUCKCMC**) p 42
Comput4»vi«on Coo*»»n»4t
DIMENSION III Enables Ahlstrom to Win Multi-Million Dollar Award from Poland * Mature and proven
3-D
modeling plant d e s i g n s y s t e m * O p e n s y s t e m , i.e., UNIX, MOTIF, and
embraces O R A C L E
* C V a e c strategy f o c u s e s o n technology 9
new
directions
Data management
driven
REPUCKCMOWU p «
Computtrvition ConMpnaal
CV's Strategic Objectives Measure our s u c c e s s by our customers'
successes
Implement 'best practices' Move to the 'next generation' MPUCKCMOM1 p 44 Computarvnaon CMMMMI
Blue Chip Customer Base / Pacific Rim
North America AT&T Bath Iron Works Boeing Ford General Electric General Dynamic Ingersoll Rand Martin Marietta Toro
ComputtfVitJOn ConM#ntta1
/ Europe Aerospatiale Asea Brown Boven Audi Fiat Mercedes Benz Peugeot and Citroen Philips Rover Group Rolls Royce A.E. Siemens Volvo Truck
/
\
Daewoo Fuji Honda Hyundai Matsushita Nikon Samsung Sanyo Singapore HDB Sumitomo Toshiba
R E P U C K C M O M 3 p 43
Move to the 'Next Generation'
CornputMvnnn ConfMankM
REPUCKCMOM) p 44
Computervision * Works with customers to establish a rational and customized strategy to * Adopt technology for a strategic advantage * Protect their investments in technology
. . . r-—^-....,
REPUCKCMOftAW p.47
Computarviuon Confidential
ty
We Believe Our Strategic Approach Will... * Promote the success of our customers * Enable 'best practices' for our customers * Enable our customers to move to the 'next generation' of quality, productivity and profitability RCPUCKCMOMl p 44 Compulervmon ConManaal
Computervision The partner of choice for the most important thing our customers d o . . . product development.
Computtrvnion ConManM
REPOCKCMOTM3 p *>
BIJLAGEN, BEHORENDE BIJ VERSLAG CV USERCONFERENCE EN USERMEETINGS D.D. 19 T/M 22 SEPTEMBER 1993 TE KANSAS CITY
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Final Agenda for AEC track at CV US Users Mtg - Sept 93 Joel Johnson, Ahlstrom Pyropower John Munson, Computervision Ssptembsr 17, 1993 Revision
Maximum of eight 90 minute sessions would allow 24 half hour papers or panels to be presented between 10:30 AM Monday and noon Wednesday:
Monday Morning. Sept. 20.10:30-12:00 AM (Moderator: John Munsoni
A. Computervision CVaec Business Unit Strategies 1. Business Outlook & Marketing Strategy Vincent Chaillou, CV Bedford 2. CVaec Product Calendar - Malcolm Hall, CV Harston 3. Customer Issues, organization of user group - User Grp Mgt (Steve Eckart, Trane and Ken Wolsey, Ahlstrom Pyropower) (Lunch Break) Monday Afternoon. Sept. 20.1:30-5:00 PM fMod: Joel J o h n s o n ! B. CVaec Product Demonstrations (Pershing Hall Demo Area) 4. CADDS5 AEC Release 4 demo - Evans Walker 5. DIMENSION III, Release 9.1 demo - John Parsons 6. CVpvs demonstration - John Parsons (Coffee Break) C. CVaec Product Hands-on Session (Pershing Hall) - 90 min. Customers plus previous demonstrators
Tuesday Morning. Sent. 21 ftan-igfltj (M/frf; Joel John«nn}
D. User Experience with the Latest CVaec Products 7. DIMENSION III & CVpvs Panel - Chair, John Munson, CV, San Diego a. Ahlstrom Pyropower - Ken Wolsey b. Destec Engineering - Rocco Ivanovich c. Rijkwaterstaat (Holland) - Wim Verbruggen
8. CADDS5 AEC Panel - Chair, Joel Johnson, Ahlstrom Pyropower a. Bath Iron Works - Currin Webster b. Benham Group - Theron Smith c. Los Angeles County - Allan Abramson
9. Ahlstrom Pyropower CAD implementation Update - Kevin Bell, Ahlstrom Pyropower (Coffee Break)
E. CVaec Products in Shipbuilding 10. CAD/CAM Goes to Sea, SA'AR 5 Corvette Program Mike Streiff, Ingalls Shipyard 11. Performance of 3D Interference Checking Adam Brewer, Bath Iron Works 12. CAD Application for Hull Steel Outfitting Lim Dae Cheong & Lee Jong Beum, Daewoo Shipyard, Korea (Lunch Break)
Wednesday Morning. Sent. 22.8:30-12:00 nuiod: John Munsnni
G. Data Management in AEC - Computervision Plans 16. User Needs Panel - Chair, Barbara Van Hee, Monsanto Envirochem a. EG&G / INEL - Brian Hawkes b. Ingalls Shipyard - Mike Streiff c. Los Angeles County - Arthur Van der Vis
17-18. Engineering Data Management Product Strategy Robert Norton, CV Bedford (Coffee Break)
H. Product Data Modeling 19. ISO/STEP Directions in CV AEC - Dave Diffell. CV Harston 20. European Users Viewpoint - Frans van Dam, Rijkwaterstaat 21. Recent CVaec Experience - David Gill, CV San Diego
(Closing Lunch)
Tuesday Afternoon. Sent. 21. i.30.a nn P ;
M
f M o
d : John Mapanpj
E. Shipbuilding Papers (continued) 13. Generating Pipe Piece Fabrication Info - Ki-Tae No, Daewoo Shipyard, Korea
F. Data Management in AEC - Users Experience and Needs
14. General Electric Nuclear Data Management Experience - Frank McCarthy, GE Nuclear 15. Summary of non-CV User Experiences - Carl Howk, AEC Automation Newsletter (Coffee Break)
(Demonstrations and C V Hosted Evening)
VERSLAG CV USERCONFERENCE EN USERMEETINGS D.D. 19 T/M 22 SEPTEMBER 1993 TE KANSAS CITY
Datum : oktober 1993 Rapportnr. : BSW/93-17 Auteurs : Wim Verbruggen Frans van Dam Status : Definitief
INLEIDING
Deze userconference was de tweede conferentie in de VS, waarin alle produkten van CV (Computervision, onze CAD leverancier van DIMIII) aan de orde kwamen. Tevens werden de oude gebruikersgroepen omgevormd tot een totale usergroup, met daarbinnen speciale aandachtsgebieden. De userconference bestond uit een aantal lezingen; een groot aantal demo's van CV produkten; een zogenaamde vendor fair en een aantal usermeetings. In dit verslag wordt kort ingegaan op ieder onderdeel en op de meeting die we met de CV vertegenwoordigers gehad hebben. Voor overzicht totale conference zie bijlage 1.
Verslag C V Userconference VS en Usermeetings d.d. 19 t/m 22 September 1993 te Kansas City
Blad 2
INHOUD
1.
Samenvatting
2.
Opening
3.
Lezingen
4.
Uitwisseling van ervaringen
5.
Demo's door Computer Vision
6.
Vendor fair
7.
Usermeetings
8.
Bespreking met CV
BIJLAGEN IN APARTE BUNDEL
1.
Overzicht conferentie programma
2.
Sheets CV voordracht trends in de engineering, marktaandeel CV
3.
Sheets CV voordracht Open Engineering Data Management C A D / C A E for Plant design. Marine & A C E (Architectural, Civil & Engineering)
4.
Sheets CV voordracht CVAEC ROADMAP 1993/1994
5.
Abstract voordracht C A D / C A M goes to sea
6.
Sheets CV voordracht Computervision and PDES/STEP
7.
Sheets RWS voordracht European users viewpoint on STEP
8.
Sheets CV voordracht over EDM
9.
Overzicht met CV-demo's
10.
Overzicht Vendor fair
11.
Brief MOSS Systems Limited aan CV betreffende inbouw MOSS onder DIMIII userinterface
12.
Commentaar van RWS op STEP ten behoeve van Wegontwerp
Verslag C V Userconference VS en Usermeetings d.d. 19 t/m 22 September 1993 te Kansas City
Blad 3
1.
Samenvatting en conclusies
Stond tot voor kort het 3D-ontwerpen nog centraal op de agenda, er is nu een trend te signaleren dat men binnen bedrijven streeft naar het ondersteunen en verkorten (Time To Market) van het totale ontwerp-, bouw- en onderhoudsproces. CV tracht hierop in te spelen met de nieuwe generatie CAD-software, de integratie van EDM met de CAD-software en CADdatastructuren, de PVS (Project Visualisatie Systeem) en datastructuren geent op STEP. 1.
De nieuwe generatie CAD-software richt zich op object-georienteerde technieken waardoor grote flexibiliteit ontstaat bij het toepassen van produktmodellen en geparametriseerd ontwerpen, zodat het 3D-ontwerp eenvoudiger kan worden ondersteund van conceptueel tot en met het definitief ontwerp. Voor bedrijven betekent dit, dat men zich eveneens moet richten op deze nieuwe technologieen, zoals het analyseren van applicaties op basis van object-georienteerde analyse methoden en het gebruik van object-georienteerde programmeermogelijkheden. Binnen de Bouwdienst wordt hierop reeds ingespeeld door de aanschaf van een objectgeorienteerd pakket voor het ontwikkelen van ontwerp-applicaties. Binnen CV bestaat grote belangstelling voor onze bevindingen. Daarnaast is door CV aangeraden de nieuwe ontwikkelingen op dit gebied in de PC-hoek (Visual Basic) te volgen en op hun inzetbaarheid te analyseren.
2.
Het managen van data door EDM wordt in de visie van CV niet alleen beperkt tot de informatie over de CAD-documenten, maar bevat ook de inhoud van CAD-documenten, dus tot op onderdeelniveau. Deze benadering is overigens weer mogelijk door de objectgeorienteerde technieken. De visie van de CAD-projectgroep is, dat hiervoor 2 verschillende managers gebruikt moeten worden; 1 voor het managen van documenten (TDIS) en 1 voor het managen van de onderdelen (het produktmodel). Een nadere analyse op dit punt is gezien de ontwikkelingen wenselijk. Naar onze mening zal in het komende jaar een definitieve strategie bepaald moeten worden voor het managen van engineering data, zodat nieuwe ontwikkelingen hierop kunnen worden afgestemd. Dit punt is overigens een "hot item" binnen veel bedrijven die wij ontmoet hebben op de userconference. De ervaringen bij bedrijven met PVS zijn zeer positief en met name managers zien in dit tool mogelijkheden de kosten van ontwerp en bouw van een produkt te reduceren. Dit tool wordt o.a. ingezet bij project-reviews, besprekingen met opdrachtgevers, op de bouwplaats voor het management van grote projecten en bij gebruikerstrainingen voor het bedienen van een fabriek. Door de CAD-projectgroep is hierop reeds in beperkte mate ingespeeld door de aanschaf van PVS-software. Implementatie binnen de Bouwdienst is voor de CAD-projectgroep een van de speerpunten. Doordat binnen bedrijven meer en meer met 3D-ontwerpsoftware wordt gewerkt, is een trend te signaleren dat men "intelligent" data wil uitwisselen. Hiervoor ontwikkelt men vertalers, die min of meer STEP-georienteerd zijn. Ook binnen de Bouwdienst loopt de inzet van 3D-ontwerpsoftware voor op de ontwikkeling van de STEP-standaard. Het tussentijds ontwikkelen van 'STEP-based' datastructuren en in een later stadium "STEP-based"-vertalers lijkt derhalve noodzakelijk. De wijze waarop de STEP-standaard tot stand komt. rechtvaardigt deze ontwikkeling. Gaande de ontwikkeling van STEP kunnen meer en meer van deze bedrijfsspecifieke datastructuren in de STEP-applicatieprotocollen verwerkt worden. De ervaringen hiermee kunnen via TNO en CV gebruikt worden voor het ontwikkelen van een STEP-standaard. Ook binnen CV wil men voor de opslag van data niet wachten op de definitieve STEP-standaard, maar implementeert men flexibele oplossingen, die hierop aansluiten. Intussen is men actief in verschillende STEP-commissies.
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5.
De bestaande gebruikers groepen van CADDS, MEDUSA en DIMIII (ASCUS) zijn overgegaan in een geheel zelfstandige gebruikersgroep, los van Computer Vision, conform het A S C U S model. De plant design steering committee is omgebouwd naar de nieuwe A E C steering committee en richt zich op de nieuwe CV-aec produkten, samen met de CADDS5gebruikers. De eerste versie van de CV-aec engine (2D tekenen en 3D draadmodellen) komt begin volgend jaar beschikbaar op PC's. CV wil DIMIII niet ineens vervangen maar geleidelijk aan vernieuwen met de nieuwe CV-aec componenten. Technische details kon men echter nog niet geven. Visual Basic wordt de nieuwe programmeertaal voor de CV-eac produkten, die verder geheel object georienteerd zijn en zowel op PC's onder MS-DOS, als onder UNIX zullen draaien. Voor terrein modellering gaat men met MSL (de leverancier van MOSS) onderhandelen om op korte termijn MOSS onder DIMIII en CADDS5 te koppelen (zie ook bijlage 11).
6.
Als Bouwdienst kunnen wij begin volgend jaar kennis maken met de CV-aec engine voor 2D tekenen en 3D draadmodellen. Voor de 3D applicaties blijven we het komende jaar ontwikkelen onder DIMIII, aangevuld met de MTEL toolkit als objectlaag voor de samenhang van de met DIMIII gemaakte onderdelen. CV heeft veel belangstelling voor deze ontwikkeling en houdt hierover contact met ons. Ten behoeve van de nieuwe NMT (3D vlakken/solids/aec parts) modeller hebben wij de voor ons benodigde functionaliteit aan CV gegeven.
2.
Opening
De opening werd gedaan door de voorzitter van de CV gebruikersgroep die deze conferentie organiseerde. In tegenstelling tot de voormalige CV userclubs en de gebruikersgroep in Europa, is deze nieuwe gebruikersclub geheel zelfstandig met eigen statuten en een eigen budget. De structuur is dezelfde als die voormalige gebruikersgroep rond CALMA (ASCUS) en veel van de voormalige A S C U S bestuursleden maken deel uit van het bestuur van deze nieuwe CV usergroep. 3.
Lezingen
Inleiding Zowel door CV als door de gebruikers en twee onafhankelijke journalisten zijn een aantal lezingen gegeven. De meest relevante en interessante lezingen worden in dit hoofdstuk weergegeven. De folies of abstracts van deze lezingen zijn in de bijlage opgenomen. Een boek met alle abstracts van deze userconference ligt bij Frans van Dam en Wim Verbruggen ter inzage. 3.1
Trends in de engineering wereld
De eerste lezing werd gegeven door de chairman van CV, Russ Planitzer. Hij gaf de volgende belangrijkste items en trends voor de jaren 90 aan: het belang om snel nieuwe produkten te ontwikkelen (reactie snelheid, reduce time to market) en het vermogen om efficient kleine series te maken; kosten beheersing alleen is niet voldoende, men moet de behoefte van de klanten kennen en daaraan kunnen beantwoorden (Leverage (Value-added) core competencies); veel uitbesteden en werken met een netwerk van specialisten; internationaal denken en handelen.
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Aan de hand van de diverse industrie-sectoren werd een en ander toegelicht en werd de consequentie aangegeven voor de benodigde CAE gereedschappen en informatie structures Reducties in ontwerptijd (z.g.n. T T M , Time To Market) met een factor 3 worden nagestreefd en haalbaar geacht. Tevens werd het aandeel van CV in de totale C A D C A M markt en haar integratie kracht aan de orde gesteld. Voor meer info zie sheets op bijlage 2. 3.2
Open Engineering Data Management CAD/CAE for Plant design. Marine & A C E (Architectural, Civil & Engineering)
Deze lezing werd gegeven door Vincent Chaillou, hoofd van de AEC (Architectural, Engineering & Construction) business unit van CV. In deze lezing werd ingegaan op het AEC marktaandeel van CV, de belangrijkste gebruikers; op de algemene gebruikers behoefte vanuit de AEC wereld en op de belangrijkste concurrenten van CV binnen de AEC wereld. Bij het maken van applicaties hecht CV grote waarde aan het kennen van de bedrijfsprocessen, zodat de informatie flow (EDM) en de applicaties (produktmodel) daarop kunnen worden afgestemd. De software-ontwikkelingen vinden thans vooral in India plaats, zodat men met dezelfde middelen veel meer kan ontwikkelen en zelfs een betere kwaliteit kan bereiken. Ook Singapore draagt als staat bij in de AEC ontwikkelingen die aldaar moeten worden uitgevoerd. Voor verdere informatie zie sheets van deze lezing op bijlage 3. 3.3
CVAEC ROADMAP 1993/1994
Deze lezing werd gegeven door M. Hall, hoofd AEC research en development. Op deze lezing werden alle A E C produkten van CV als een familie besproken. De AEC produkten van CV zijn: DIMIII (CALMA); CADDS(5)-AEC en Medusa en het nieuwe produkt CVaec dat ook op PC's zal draaien. Geleidelijk aan wil men de core (2D tekenmoduul, 3D modeller e.d.) onder deze produkten uniform maken zodat alle produkten naar de nieuwe generatie toegroeien en men de onderhoudskosten kan reduceren. Tussen CADDS-eac en DIMIII is een speciale koppeling gerealiseerd. Binnen grote (scheepsbouw) projecten wordt vaak tussen DIMIII gebruikers en CADDS gebruikers samengewerkt. Binnen CVaec is thans alleen de PVS (het Project Visualisatie Systeem) beschikbaar. Aan dit produkt wordt in een hoog tempo telkens weer functionaliteit toegevoegd. De gebruikers zijn er zeer enthousiast over. Het CVaec-CVp&id pakket komt in kwartaal 2 van 1994 beschikbaar in plaats van de oorspronkelijk geplande eind 1993. De CVaec-engine komt als eerste versie (met 2D tekenen t/m 3D draadmodellen) kwartaal 1 van 1994 beschikbaar en wordt thans op beta sites getest. Dit produkt lijkt sterk op Designview, doch ondersteunt tevens alle Window- opties (zoals b.v. OLE) op PC's en is uiteraard meer gericht op grafische toepassingen/tekenen. In de tweede helft van 1994 komt dit produkt ook onder UNIX beschikbaar. De enhancements voor DIMIII betreffen vooral de nieuwe userinterface onder UNIX, de algemene C-interface voor expertsystemen, de interface naar EDM, verbeteringen in labelling en dimensioning, verbetering van de performance en een verbeterde Parametric Component Modeler. Tevens wordt de opdeling in modulen verbeterd en zouden de jaarlijkse maintenance kosten gereduceerd worden. Voor de implementatie onder Digital Alpha is de keuze van het operatingsysteem nog een probleem. Onder V A X - V M S komen geen nieuwe versies meer uit behoudens z.g.n. buxfixing releases. Voor verdere informatie zie sheets van deze lezing op bijlage 4.
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3.4
C A D / C A M goes to sea
Deze lezing werd gegeven door Michel Streif, hoofd Automatisering van Ingalls shipbuilding. Ingalls is een DIMIII gebruiker en heeft een omzet van ca. 1 miljard dollar. In deze lezing werd het volledig 3D ontwerpen van een 80m lange Corvette voor de Israelische marine getoond. Het ontwerp was in zijn geheel in 3D opgebouwd en geintegreerd met de overige disciplines via databases. Vanuit dit ontwerp (produktmodel) werden alle tekeningen, stuklijsten en andere documenten ten behoeve van het ontwerp en de fabricage gegenereerd. Voor een aantal componenten in een schip is er zelfs een rechtstreekse koppeling naar de machines in de fabriek. Een soortgelijke lezing werd gegeven door een CADDS5 gebruiker die met Ingalls ook 3D modellen uitwisselt. De Amerikaanse Navy blijkt inmiddels een op PDES (STEP) gebaseerd 3D neutraal file formaat ontwikkeld te hebben dat voor deze gegevens overdracht wordt gebruikt. De abstract van deze lezing staat op bijlage 5. 3.5
Computervision and PDES/STEP
Deze voordracht werd gegeven door CV en ging in op de betrokkenheid van CV bij de STEP ontwikkelingen en op de organisatie van de diverse STEP werkgroepen en standaards. Voor de sheets van deze voordracht zie bijlage 6. 3.6
European users viewpoint on STEP
Deze lezing zou oorspronkelijk door T.N.O. op verzoek van CV gegeven worden. Daar T.N.O. zelf niet kon, is deze lezing door Frans van Dam gegeven, gevolgd door de video Getting in Step. De voordracht toont de behoefte aan goede standaards voor gegevens overdracht en hoe in Europa stap voor stap vanuit de huidige situatie naar de gewenste situatie wordt toegewerkt. In dit kader werd ook ingegaan op de Europese ontwikkel-programma's (Esprit, Eureka en Brite Euram) en een aantal PDI projecten binnen deze programma's. De interesse van de AECgebruikers voor deze voordracht was goed. Men zit vooral te wachten op Step standaards die direct kunnen worden toegepast. Voor de sheets van deze voordracht zie bijlage 7. De overige lezingen hadden een vergelijkbaar karakter en inhoud als de lezing van Ingalls, doch men was wat minder ver. Sommige lezingen waren zeer specifiek, bijvoorbeeld over interference checking, en zijn derhalve in dit verslag niet opgenomen. 4.
Uitwisseling van ervaringen
De uitwisseling van ervaringen bestond uit korte voordrachten van ca. 10 a 15 minuten, waarin een bepaald onderwerp door een aantal bedrijven werd aangesneden. Na de voordracht was er tijd voor vragen en discussie. Ondanks de beperkte voorbereiding waren deze sessies zeer leerzaam en informatief. In deze conferentie waren er twee blokken met ervarings-uitwisseling voor de A E C gebruikers. Een eerste blok betrof de meest recente ervaringen, aangevuld met toelichting wat de bedrijven deden. Het tweede blok was vooral gericht op de ervaringen rond engineering data management. 4.1
Laatste ervaringen, kennismaking met nieuwe gebruikers
In deze sessie heeft Wim Verbruggen, op uitnodiging door CV, een korte voordracht gehouden over de toepassingen van DIMIII binnen de Bouwdienst. Tijdens dit eerste blok mochten we kennis maken met de volgende drie CADDS(5)-AEC gebruikers: Bath Iron Works een scheepswerf met ca 100 werkstations; De county of Los Angeles een civiele gebruiker met ca 120 werkstations t.b.v. wegontwerp, terreinmodellen en GIS; De Bentham engineering group op het gebied van utiliteits bouw, plant design, waterbeheersing, GIS en terreinmodellen met ca 1500 medewerkers en 200 werkstations.
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De meest recente ervaringen betroffen vooral de toepassing van de PVS (het Project Visualisatie Systeem) waarmee men door 3D modellen kan lopen en willekeurige informatie uit dat model kan opvragen. Vooral de managers zijn enthousiast. Wat op het eerste gezicht alleen presentatie leek, blijkt nu een uiterst nuttig tool te zijn voor het projectmanagement, de onderlinge communicatie met subcontractors en voor instructie. Veel gebruikers maken iedere twee weken een video waarin de voortgang van het ontwerp aan de hand van de 3D modellen wordt getoond. Ook op de Bouwplaats begint de PVS zijn intrede te doen als huipmiddel voor overleg en voor het bepalen van de montage volgorde. Voor instructie-doeleinden is men bijvoorbeeld al eens vanuit de uitlaat de motor ingewandeld. 4.2
Uitwisseling ervaringen met Engineering Data Management
De behoefte aan Engineering Data Management wordt algemeen onderkend, doch de invoering kost veel eigen inzet. Met name het overgaan van de oude papieren situatie naar het tijdperk met digitale gegevensoverdracht, kost veel inspanning voor het aanpassen van de werkprocedures en de acceptatie van digitale bestanden in plaats van papier. De DIMIII gebruikers hebben net als wij problemen met de relaties tussen modellen en tekeningen. Een aantal heeft in het verleden DMCS aangeschaft, doch het produkt wordt vanwege de vereiste inpassing in de organisatie nog niet geoperationaliseerd. Ingalls schipyards heeft een op Oracle gebaseerde engineering data manager (DSRS) met succes volledig ingevoerd maar hamert erop, dat men zelf de produkten moet kunnen toesnijden en derhalve een goede DAL&ORACLE programmeur in huis moet! hebben. (Customisation is necessary!!). De county of Los Angeles werkt ook met een Engineering Data Manager; in dit geval EDM van CV. Men heeft bewust de oude naam conventies voor files gehandhaafd en haar ambitie zo praktisch mogelijk gehouden. EDM wordt door hen voor zowel tijdelijke als blijvende data opslag gebruikt. De county adviseert net als Ingalls te zorgen voor: 1) 2) 3)
Analyse van de document procedures met uitgebreide gebruikers reviews en opleidingssessies. Eerst het werkproces te definieren. Het overtuigen van het management van het belang van een goed data management.
Over de toepassing van EDM was men erg te spreken, doch het eist extra computer power. Met name onderlinge coordinatie en communicatie wordt door EDM versterkt en men weet waar alles is. Vertaald naar de Bouwdienst-situatie blijkt, dat we met TDIS aan een zware klus begonnen zijn, die een stapsgewijze aanpak en een sterke terugkoppeling naar management en gebruikers eist. Met name het ontbreken van een eigen EDL/DAL programmeur en de kans op een te hoog ambitie niveau eist aandacht. Tevens kan de inzet van extra computer power op de file server nodig zijn. Tot slot gaf CV nog informatie over EDM. De link tussen EDM en DIMIII wordt verder ontwikkeld en de document en/of produkt structuur kan in de nieuwe versie grafisch worden weergegeven. Wereldwijd heeft men thans 10.000 stations op EDM aangesloten op ca. 250 sites. Voor verdere informatie zie sheets op bijlage 8.
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5.
Demo's door Computer Vision
Alle produkten van CV werden getoond in een groot aantal demo's. De demo over wereldwijde concurrent engineering met behulp van EDM en een aantal teleconferencing tools was interessant. Op de PVS (Project Visualisatie Systeem) werd de combinatie van geluid en beweging getoond door een vliegtuig langs de controle kamer van een verkeerstoren te laten vliegen. Tevens werd de toevoeging van spiegeling en extra lichtbronnen getoond, zodat men de beelden ten behoeve van presentatie nog realistischer kan maken. Tot slot hebben we een demo van CV-DORS, GIS en CADDS-AEC bijgewoond. Voor een totaal overzicht van de demo's zie bijlage 9. 6.
Vendor fair
Op de vendor fair waren ca. 25 bedrijven aanwezig. Opvallend groot was het aantal bedrijven dat zich bezig hield met gegevens-overdracht en systeem-integratie. Voor ons was er weinig nieuws onder de zon op deze Vendor fair. De deelnemende bedrijven aan deze vendor fair staan op bijlage 10. 7.
Usermeetings
De oude plant design steering committee voor DIMIII is overgegaan naar een bredere gebruikersgroep ten behoeve van de nieuwe CV-aec produkten. Men wil zich vooral richten op de toekomst en hieraan met behulp van krachtige kerngroep met maximaal 15 krachtige gebruikers richting geven. De CADDS-gebruikers en DIMIII-gebruikers zitten aardig op hetzelfde niveau en op dezelfde lijn. Medusa is nauwelijks vertegenwoordigd. In tegenstelling tot de mechanical users hebben de oude DIMIII gebruikers binnen CVaec de sterkste vertegenwoordiging. De nieuwe committee werkt op dezelfde basis als de oude plant design steering committee doch heet nu AEC-steering committee en kent naast plant design en shipbuilding ook een drietal Civil users (RWS, County of Los Angeles en de Benham group). De deelname van de USBR is onzeker daar de USBR vermoedelijk niet meer op de komst van een verbeterde terrein modelleur wil wachten en derhalve op een ander produkt overstapt. Behoudens de onzekerheid rond de USBR lijkt de merge met CADDS een goede zaak. De eerst volgende bijeenkomst is gepland voor eind januari 1994 in Boston. Men hoopt dan meer inzicht te krijgen in het inpassen van de CVaec engine in de bestaande A E C produkten. 8.
Bespreking RWS met C V
Aan het eind van de CV conference hebben we een ca. 2 uur durend gesprek gehad met Vincent Chaillou, hoofd A E C Business unit en John Parsons, hoofd A E C marketing. Tijdens deze bespreking zijn o.a. de volgende punten besproken:
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8.1
Ontwikkeling CV-aec
8.1.1.
2D en 3D draadmodellen/tekenen
De CV-aec engine is thans als beta versie beschikbaar en komt begin volgend jaar op de markt. Deze versie draait onder Windows op PC's en gebruikt ook alle opties die Windows biedt. Verder lijkt het veel op designview en kan het naast 2D ook 3D draadmodellen aan. CV is op de hoogte gebracht van de evaluatie die de Bouwdienst voorjaar 1994 wil uitvoeren en zal ons in het eerste kwartaal 1994 deze eerste versie van de CV-aec engine ter beschikking stellen. Volgend jaar komt tevens een versie onder Unix beschikbaar en wordt P&ID onder dit pakket op de markt gebracht. Met tekenen en met 3D draadmodellen zou de Bouwdienst theoretisch de 2de helft van 1994 kunnen starten met de overgang naar dit produkt. De data koppeling en het migratie programma naar DIMIII is nog niet uitgewerkt. Men streeft naar een geleidelijke overgang. De programmeertaal van de nieuwe CV-aec engine is "Visual Basic-like", CV heeft ons gevraagd om met deze programmeertaal nader kennis te maken om te zien of er naast deze taal nog een zwaardere taal, bijvoorbeeld C + +, nodig is. 8.1.2.
3D vlakken en solids
Deze functies zullen in de nieuwe NMT modeller (eveneens onderdeel van de CV-aec engine) worden ingebouwd, doch deze is volgend jaar nog niet beschikbaar. Uiteindelijk moet deze modeller in alle AEC produkten worden ingebouwd, maar voor DIMIII kan men nog geen migratie pad aangeven. Voorlopig kunnen wij ons met DIMIII nog wel verder ontwikkelen met de staal ontwerp pakketten, ACL en de onlangs aangetrokken MTEL Toolkit. CV zal binnenkort meer informatie geven en ook kijken in hoeverre de ACL functies in de nieuwe NMT modeller aanwezig zullen zijn. 8.1.3.
Ontwerp-applicaties
Wij hebben CV duidelijk gemaakt, dat we onze eigen ontwerp-applicaties zo klein mogelijk willen houden en derhalve zoveel mogelijk basis functionaliteit van de nieuwe CV-aec engine verlangen. Op deze wijze wordt migratie zinvol, daar het bedrijfsspecifieke onderhoud dan veel kleiner wordt. CV wil graag met ons samen de nieuwe applicaties ontwikkelen en is met name geinteresseerd in de specificaties en de gebruikers-ervaring. Men wilde ook graag weten in hoeverre wij die mochten geven. Onzes inziens zijn daar geen beperkingen in, daar onze kennis in principe openbaar is en vooral tot doel heeft om zo economisch mogelijk de Nederlandse infrastructuur te bouwen en te onderhouden.
8.1.4.
Terrein modelleur
CV wil de contacten met MOSS verder aanhalen en wij hebben dat van harte gesteund. Op korte termijn gaat men met Moss in onderhandeling om een interface tussen Moss met DIMM en CADDS te realiseren. Vanuit DIMIII en CADDS kan men dan de MOSS terreinmodelleur gebruiken. Op langere termijn hoopt men MOSS ook op de nieuwe CV-aec engine aan te sluiten doch dat is een groeiproces voor beide partijen. Ter informatie is een brief van MOSS aan CV als bijlage 11 aan dit verslag toegevoegd. 8.2
DXF convertor
Wij hebben aangedrongen op een spoedige verbetering van de aanwezige DXF convertor. CV vroeg zich af waarom wij de concurrerende Hillman convertor niet hadden en gaf daarmee de ernst van het probleem zelf aan. Op korte termijn zal men aangeven of wij via een inruilactie vanuit CV op deze convertor kunnen overgaan of dat er verbeteringen op komst zijn. RWS zal de laatst geconstateerde fouten opsturen naar CV.
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8.3
A C L ontwikkelingen
CV-Design lijkt geen alternatief voor de ACL modeller te zijn gezien de ontwikkelingen rond de NMT modeller. Men is zeer geinteresseerd in onze ontwikkelingen met de MTEL Toolkit en de relatie met Caroline Informatique. In deze ontwikkelingen is ons steun via een CV-contact persoon toegezegd. 8.4
STEP ontwikkelingen
De in Europa geplande bijeenkomst met A E C gebruikers voor de ontwikkeling van applicatie protocols is weliswaar uitgesteld, maar gaat wel door; vermoedelijk eind oktober/begin november. Men is tevens geinteresseerd in ons commentaar op STEP in relatie tot Wegontwerp (zie bijlage 12) en vraagt om dit stuk naar de CV contact persoon in STEP Dave Duffett met afschrift voor Vincent Chaillou toe te faxen. 8.5
Inplementatie op VAX-ALFA
De nieuwe generatie werkstations van Digital draait onder drie verschillende operating systemen welke onderling voor CAD niet compatibel zijn. CV heeft implementatie op VAX-ALFA onder het OSF-UNIX operating systeem op de planning staan, maar betwijfelt of Digital dit operating systeem wel 100% wil ondersteunen. Digital schijnt de voorkeur te geven aan Windows-NT. Als RWS hebben wij gezegd dat als we naar UNIX willen, voor ons de overgang naar HP-UNIX een aanvaardbaar alternatief is. Wel vinden wij een keuze tussen meerdere UNIX platforms vanwege concurrentie overwegingen gewenst. Op VAX-ALFA is voor ons, op korte termijn, een implementatie onder V M S het meest wenselijk daar we dan zowel voor ons huidige operating systeem VMS als voor UNIX (onder HP) kunnen kiezen.
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