1. ICWM2009 > Arne Bachmann > Markus Kunde > Markus Litz > 05.05.2009 Slide 1 A dynamic data integration approach to build scientific workflow systems Markus Kunde Simulation and Software Technology German Aerospace Center (DLR) ICWM 2009, May 5 th 2009

2. ICWM2009 > Arne Bachmann > Markus Kunde > Markus Litz > 05.05.2009 Slide 2 Overview German Aerospace Center (DLR) Challenge Approach Conclusion & Outlook

3. ICWM2009 > Arne Bachmann > Markus Kunde > Markus Litz > 05.05.2009 Slide 3 The DLR German Aerospace Research Center Space Agency of the Federal Republic of Germany

4. ICWM2009 > Arne Bachmann > Markus Kunde > Markus Litz > 05.05.2009 Slide 4 6,000 employees working in 29 research institutes and facilities at 13 sites. Offices in Brussels, Paris and Washington. Köln Lampoldshausen Stuttgart Oberpfaffenhofen Braunschweig Göttingen Berlin- Bonn Trauen Hamburg Neustrelitz Weilheim Bremen- Sites and employees

5. ICWM2009 > Arne Bachmann > Markus Kunde > Markus Litz > 05.05.2009 Slide 5 Mission To open up new dimensions for exploring the earth and the universe, for protecting the environment and for promoting mobility, communication and security: Research portfolio ranging from basic research to innovative applications and the products of tomorrow Operating large-scale research facilities for DLRs own projects and as a service provider for its clients and partners Promoting the next generation of scientists Advisory services to government

6. ICWM2009 > Arne Bachmann > Markus Kunde > Markus Litz > 05.05.2009 Slide 6 Challenge Preliminary design in aviation Iterative development of aircraft Duration: Minutes; Hours; Few days Target: Complete aircraft or components Pre-Design is an interdisciplinary task Different domains (in our case: institutes/departments) Problems No omniscient person Usage of external knowledge Reuse of existing applications

7. ICWM2009 > Arne Bachmann > Markus Kunde > Markus Litz > 05.05.2009 Slide 7 Goal Under development at DLR in the following aeronautics projects: TIVA I/IITechnology integration for the virtual aircraft UCAV 2010Unmanned combat air vehicle EVITAEvaluation of innovative turbine engines CATSClimate-compatible air transport system … and more to come! A DLR-wide system to enable the multi-disciplinary design and analysis of airplane configurations in the pre-design phase.

8. ICWM2009 > Arne Bachmann > Markus Kunde > Markus Litz > 05.05.2009 Slide 8 Solution Framework ModelCenter & AnalysisServer Common Dataset CPACS Supporting Libraries TIXI & TIGL Wrapping Mechanism CPACSAccess

9. ICWM2009 > Arne Bachmann > Markus Kunde > Markus Litz > 05.05.2009 Slide 9 Common Dataset CPACS Common Parametric Aircraft Configuration Scheme Basis for all applications XML Hierarchical Internal references External references

10. ICWM2009 > Arne Bachmann > Markus Kunde > Markus Litz > 05.05.2009 Slide 10 Common Dataset CPACS Common Parametric Aircraft Configuration Scheme Basis for all applications XML Hierarchical Internal references External references Configuration Vehicles Aircraft Model Engines Engine EngineUID 3PW066

11. ICWM2009 > Arne Bachmann > Markus Kunde > Markus Litz > 05.05.2009 Slide 11 Common Dataset CPACS Common Parametric Aircraft Configuration Scheme Basis for all applications XML Hierarchical Internal references External references Configuration Vehicles Aircraft Model Engines Engine EngineUID 3PW066 Engines uID=3PW066 ExternalDATA

12. ICWM2009 > Arne Bachmann > Markus Kunde > Markus Litz > 05.05.2009 Slide 12 Mapping Mechanism CPACSAccess Decoupling application from CPACS and framework Changes in CPACS are not affecting applications XML node mapping or XSLT

13. ICWM2009 > Arne Bachmann > Markus Kunde > Markus Litz > 05.05.2009 Slide 13 Mapping Mechanism CPACSAccess Decoupling application from CPACS and framework Changes in CPACS are not affecting applications XML node mapping or XSLT

14. ICWM2009 > Arne Bachmann > Markus Kunde > Markus Litz > 05.05.2009 Slide 14 Mapping Mechanism CPACSAccess Decoupling application from CPACS and framework Changes in CPACS are not affecting applications XML node mapping or XSLT Toolwrapper

15. ICWM2009 > Arne Bachmann > Markus Kunde > Markus Litz > 05.05.2009 Slide 15 Server ToolWrapper Server Tool Version Directory Command … Mapping Decoupling Reduced I/O Files Application Client

16. ICWM2009 > Arne Bachmann > Markus Kunde > Markus Litz > 05.05.2009 Slide 16 Framework - In reality

17. ICWM2009 > Arne Bachmann > Markus Kunde > Markus Litz > 05.05.2009 Slide 17 Framework - In reality Easy creation of scientific workflows Supporting GUIs Easy insertion of applications Reading/writing CPACS Real-time monitoring of each application … Parametric studies with standard visualization techniques Optimization of parameters

18. ICWM2009 > Arne Bachmann > Markus Kunde > Markus Litz > 05.05.2009 Slide 18 Conclusion Framework ModelCenter & AnalysisServer Common Dataset CPACS Supporting Libraries TIXI & TIGL Wrapping Mechanism CPACSAccess Advantages Usage of external knowledge Evaluation experts only need a fundamental understanding of each domain Existing applications can be easily added No need to share knowledge

19. ICWM2009 > Arne Bachmann > Markus Kunde > Markus Litz > 05.05.2009 Slide 19 Outlook Integration in RCE (open source framework for distributed computations) http://www.rcenvironment.de Data management with Datafinder (application for data management) http://datafinder.sourceforge.net Provenance information for traceability of processes and data origin http://www.uprovenance.com STEP Integration for a standard data exchange ISO 10303 CPACS Development for more domains

20. ICWM2009 > Arne Bachmann > Markus Kunde > Markus Litz > 05.05.2009 Slide 20 Questions ?