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Process Chain for Optimization using A N SA , LS-OPT and μE T A

Process Chain for Optimization using A N SA , LS-OPT and μE T A. Optimization Process: ANSA – LS-OPT – META General. Two phases: Optimization Setup Design Variables are defined in ANSA and transferred to LS-OPT Histories and Responses are defined in META and transferred to LS-OPT

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Process Chain for Optimization using A N SA , LS-OPT and μE T A

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  1. Process Chain for Optimization using ANSA, LS-OPT and μETA Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  2. Optimization Process: ANSA – LS-OPT – META General • Two phases: • Optimization Setup • Design Variables are defined in ANSA and transferred to LS-OPT • Histories and Responses are defined in META and transferred to LS-OPT • Optimization Run • Design Variables controlled by LS-OPT and transferred to ANSA • Histories and Responses calculated by META and transferred to LS-OPT Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  3. Optimization Setup ANSA→ Solver → META → LS-OPT Model – Ready to Run Definition of Optimization Task Execution of Optimization Task DV File, Input Deck Solver Run Responses,Histories Solver Results LS-OPT META Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  4. Optimization Setup ANSA→ Solver → META → LS-OPT Model – Ready to Run Definition of Optimization Task Execution of Optimization Task DV File, Input Deck • Definition of Design Variables • Link Design Variables to Model Parameters: • Morphing Parameter • ANSA Parameter • User Scripts Solver Run Responses,Histories Solver Results LS-OPT META Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  5. Optimization Setup ANSA→ Solver → META → LS-OPT Model – Ready to Run Definition of Optimization Task Execution of Optimization Task DV File, Input Deck • Check Optimization Task • Output DV File and Solver Input Deck Solver Run Responses,Histories Solver Results LS-OPT META Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  6. Optimization Setup ANSA → Solver→ META → LS-OPT Model – Ready to Run Definition of Optimization Task Execution of Optimization Task DV File, Input Deck • Initial Solver Run to get sample result files for definition of result extraction Solver Run Responses,Histories Solver Results LS-OPT META Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  7. Optimization Setup ANSA → Solver → META→ LS-OPT Model – Ready to Run Definition of Optimization Task Execution of Optimization Task DV File, Input Deck • Manual extraction of results • Defining session/script of the extraction process • Output formatted result file Solver Run Responses,Histories Solver Results LS-OPT META Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  8. Optimization Setup ANSA → Solver → META → LS-OPT Model – Ready to Run Definition of Optimization Task Execution of Optimization Task DV File, Input Deck • Input of Design Variables, Histories, Responses • Fine Tuning of Design Variables (Dependents, Ranges, ...) • Selection of Optimization Strategy • Definition of Objectives and Constraints Solver Run Responses,Histories Solver Results LS-OPT META Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  9. ANSA – Optimization Task 3 main task items 1. Design Variable File 2. Design Variables 3. Output Solver Deck Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  10. ANSA – Optimization Task Design Variable File Correctly formatted for import in LS-OPT Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  11. ANSA – Optimization Task Connecting Design Variables with Morphing Parameters Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  12. ANSA – Optimization Task Connecting Design Variables with Morphing Parameters Shape modification Design Variable = 10.0 -5.0 0.0 Morphing Parameter Width of depressions Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  13. ANSA – Optimization Task Connecting Design Variables with ANSA Parameters Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  14. ANSA – Optimization Task Connecting Design Variables with ANSA Parameters Modification of shell thicknesses, materials, etc. ANSA Parameter Design Variable = 5.0 4.0 3.0 2.0 1.0 Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  15. ANSA – Optimization Task Connecting Design Variables with ANSA Parameters Modification of connections (weld spot diameter, distance, etc.) ANSA Parameter Design Variable (weld spot distance) = 50 40 30 20 Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  16. ANSA – Optimization Task Connecting Design Variables with ANSA Parameters Modification of connections (weld spot diameter, distance, etc.) ANSA Parameter Design Variable (weld spot diameter) = 6.0 5.0 4.0 3.0 Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  17. ANSA – Optimization Task Composite Optimization • Via ANSA Parameters • Modification of fabric orientation • Modification of layer thickness Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  18. ANSA – Optimization Task Simulation and DOE • Checking Combinations of DV (Full Factorial) → Model Validity • Checking Element Criteria Failed elements Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  19. ANSA – Optimization Task Additional commands for improving mesh quality Fix Quality, Smooth, Reconstruct, etc. for morphed mesh Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  20. Results Extraction using META Histories and Responses via OptimizerSetup Toolbar • Histories out of 2D plot curves • Responses from annotations Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  21. Connecting ANSA to LS-OPT Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  22. Connecting ANSA to LS-OPT LS-OPT gets DV from DV file which has been output by ANSA Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  23. Connecting ANSA to LS-OPT Fine Tuning of Design Variables Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  24. Connecting META to LS-OPT Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  25. Connecting META to LS-OPT LS-OPT gets histories/responses META’s output file Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  26. Optimization Run LS-OPT→ ANSA → Solver → META → LS-OPT LS-OPT determines set of DV and outputs DV file Design Variables ANSA Solver Input Start Loop Solver Objectives, Constraints Solver Results Response Variables META LS-OPT Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  27. Optimization Run LS-OPT → ANSA → Solver → META → LS-OPT • ANSA reads DV from DV file, • executes Optimization Task sequence • and outputs solver input deck Design Variables ANSA Solver Input Start Loop Solver Objectives, Constraints Solver Results Response Variables META *.key / *.nas / *.inp LS-OPT Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  28. Optimization Run LS-OPT → ANSA →Solver→ META → LS-OPT • LS-OPT invokes solver runs • Solver produces result files Design Variables ANSA *.key / *.nas / *.inp Solver Input Start Loop Solver Objectives, Constraints Solver Results Response Variables META d3plot / *.op2 / *.odb LS-OPT Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  29. Optimization Run LS-OPT → ANSA → Solver → META → LS-OPT Extract responses using either LS-OPT functionality (only LS-DYNA) or META (other solvers) Design Variables ANSA Solver Input d3plot / *.op2 / *.odb Start Loop Solver Objectives, Constraints Solver Results Response Variables META LS-OPT Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  30. Optimization Run LS-OPT → ANSA → Solver → META → LS-OPT Determine objectives and constraints Design Variables ANSA Solver Input Start Loop Solver Objectives, Constraints Solver Results Response Variables META LS-OPT Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  31. Optimization Run LS-OPT → ANSA → Solver → META → LS-OPT • LS-OPT calculates new values for DVs • Whole process repeated until optimal solution Design Variables ANSA Solver Input New Loop Solver Objectives, Constraints Solver Results Response Variables META LS-OPT Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

  32. Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012

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