1. SysML Emphasis at GIT Russell.Peak@marc.gatech.edu Presenter Chris.Paredis@me.gatech.edu Diego.Tamburini@marc.gatech.edu GIT Product & System Lifecycle Management (PSLM) Center www.pslm.gatech.edu Presentation to OMG Systems Engineering Domain-Specific Interest Group (SE DSIG) September 13, 2005 Atlanta

2. Copyright © 2005 2 Contents SysML Education Emphasis SysML R&D Emphasis PSLM Center Philosophy & Overview SysML Focus Area

3. Copyright © 2005 3 SysML in Education K-12 High school physics testbed Others TBD GIT Undergraduate Courses TBD GIT Graduate Course ME 8813 Special Topics in CAE & Design: Modeling & Simulation in Design Others TBD Continuing Education TBD

4. Copyright © 2005 4 Enhancing Education Using Constraint Graph-based Knowledge Representations [Cowan et al.] Source: FS Cowan, M Usselman, D Llewellyn, A Gravitt (2003) Utilizing Constraint Graphs in High School Physics. Proc. ASEE Annual Conf. & Expo. http://www.cetl.gatech.edu/services/step/constraint.pdfhttp://www.cetl.gatech.edu/services/step/constraint.pdf “I believe that this process will be helpful to others because I have been doing the same thing in my head to organize and understand the different equations and to help me solve the problems successfully.” [student comment] Initial results with high school physics class: Students using constraint graphs did 70% better

5. Systems Realization Laboratory ME 8813: Modeling & Simulation in Design Course Topics  Context Knowledge and Information in Product Development How this course fits into big picture of product development  Information Modeling Structure of Information: concepts and (semantic) relationships Spring 2005: ~½ lecture on SysML... more under consideration in future offerings  Discrete Event Simulation Model in which variables change values only at discrete moments in time  Modeling of Energy-based systems Models of physical systems in which the energy exchange is captured as a function of time  Uncertainty in Models Representing and computing with uncertain knowledge and information Model validation Contacts Lead Instructor: Chris.Paredis@me.gatech.edu Co-Instructor: Russell.Peak@marc.gatech.edu

6. Copyright © 2005 6 Contents SysML Education Emphasis SysML R&D Emphasis PSLM Center Philosophy & Overview Enabling value-focused, knowledge-intensive, model-based enterprises SysML Focus Area

7. Copyright © 2005 7 Knowledge- Centric coarse- grained fine- grained data interoperability knowledge capture / reuse product workflow & decision-making processes cost reduction value creation Gaps & Opportunities for the Next-Generation PLM Data-Centric

8. Copyright © 2005 8 PSLM Center R&D Focus Areas Enabling Technologies Prototypes & Toolkits XaiToolsSysML Next-gen STEP PLM/SoS Standards …… Primary DomainsEmerging Domains Application Domains MechatronicsFacilities/FactoriesDesigned MaterialsNanotechnologyBiotechnologyHomeland SecurityDefense Architectures Research Foundations Uncertainty Modeling Knowledge Representation Research Composable Objects PLM/SoS Design Patterns Multi-Criteria Decision Making Knowledge Application Research Simulation- Based Design Next-gen PLM/ SoS Architectures Model-Based Enterprises … … Information Economics External Components OWL SOAP … Semantic Webs Vendor Tools Vendor Services Constraint Graphs XML …

9. Copyright © 2005 9 Sample Projects

10. Copyright © 2005 10 Sample Relationships

11. Copyright © 2005 11 Contents SysML Education Emphasis SysML R&D Emphasis PSLM Center Philosophy & Overview SysML Focus Area Sample effort: Composable Objects (COBs) http://eislab.gatech.edu/projects/nasa-ngcobs/ http://eislab.gatech.edu/projects/nasa-ngcobs/ For more examples, see other presentation to OMG SE DSIG Sept 13, 2005 entitled “GIT SysML Parametrics Work” Note: The SysML notation used in these slides roughly corresponds to SysML draft v0.9 plus more recent updates and experimental variations. We intend to update these examples with the final official notation when v1.0 that becomes available.

12. Copyright © 2005 12 Domain Abstraction Level Requirements SoftwareElectronics Structures Systems Engineering Models of varying abstractions and domains Legend Model interfaces: Fine-grained associativity relations among domain-specific models and system-level models Development Process … Rich models: Information objects Parametric relations … … … … … After Bajaj, Peak, & Waterbury 2003-09 Next-Generation PLM/SLiM Framework with Fine-Grained Interoperability Customer/Acquisitions … … … Human Interfaces … 2004-09

13. Copyright © 2005 13 Envisioned End-User Tools Collaborative system modeling via composable object (COB)-based SysML http://eislab.gatech.edu/projects/nasa-ngcobs/ Lead System Engineer Braking System Engineer Spec s ABS System Engineer

14. Copyright © 2005 14 End-User Tools Collaborative System Modeling via SysML Parametrics Diagrams System Subsystem System Parameters Subsystem Parameters System Relations Parameter Connections

15. Copyright © 2005 15 End-User Tools Collaborative System Modeling

16. Copyright © 2005 16 End-User Tools Collaborative Subsystem Simulation 100.1 43.2 100.1 Analysis Tool (FEA) Math Solver MCAD Design Tool 3.33 10 true UGS NX Ansys Matlab Associated Requirements UGS Teamcenter Requirements Proposed sample tool scenarios...

17. Copyright © 2005 17 Simulation Template: Circuit Board Warpage SysML Parametric Diagram PWB design (AP210-based design model from Mentor Expedition) xx - Caveat: pwb should be inside pwb warpage model (need to fix concept). FEA model (Ansys) Requirements (UGS TcR) Envisioned sample tool scenarios...

18. Copyright © 2005 18 Tool PLM Objects PLM System Coarse-grained relations (“contains”, “attached to”, “revision of”,..) PLM entities referencing external tools models Traditional COTS and in-house end-user tools (CAX, authoring, viewing, solving,..) PLM entities (parts, assemblies, documents, requirements, files, analysis results…) PLM Services (configuration management, access control, workflow…) Next-generation PLM Environment SysML/COB-Enhanced Architecture Fine-grained relations (formula-based, buffered, black-box, …) SysML UI Control COB AuthoringDomain-specific Simulation Tool COB SDK UI Components COB Browsing COB Tree COB-Enabled End-User Applications

19. Copyright © 2005 19 SysML Focus Area Roadmap (draft p1/2) Notes: 1. Sample tool and vendor names are shown here for context. Contact us regarding specific usage in current and future testbeds. 2. Contact us for details with respect to task schedules and resources.

20. Copyright © 2005 20 SysML Focus Area Roadmap (draft p2/2) Notes: 1. Sample tool and vendor names are shown here for context. Contact us regarding specific usage in current and future testbeds. 2. Contact us for details with respect to task schedules and resources.

21. Copyright © 2005 21 Summary SysML viewed as promising technology Unifying notation linking diverse multidisciplinary models Embodiment of composable object (COB) concepts SysML emphasis in Georgia Tech PSLM Center Contributing to SysML development  Leveraging ~13+ years of R&D in simulation templates and COB-related concepts Education and R&D Broad applications Strategy management... space systems... Electronic systems... mechanical parts... Model-based security... healthcare......