1. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 1 Morphing with

2. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 2 Morphing with ANSA General Reshape any type of FE mesh without the need to return to the CAD model for modifications Introduce parametric shape modifications for optimization purpose Morphing modifications on both FE and Geometry models Two main methods: UU sing Morphing Boxes DD irect Morphing

3. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 3 Direct Morphing – without Morphing Boxes For local modifications of single components or assemblies Applicable on FE-mesh and geometry models Different type of movements:

4. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 4 Direct Morphing – without Morphing Boxes Origin Target Boundary Morphing Reconstruct Snapping to single or multiple target curves Morphing of FE-mesh or geometry

5. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 5 Direct Morphing – without Morphing Boxes Origin, Target, Boundary Morphing Snapping to single or multiple target curves Morphing of FE-mesh or geometry

6. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 6 Direct Morphing – without Morphing Boxes Original FE-surface Target CAD-surface Morphing Fitting surfaces – e.g. fit existing FE-mesh to new CAD-geometry

7. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 7 Direct Morphing – without Morphing Boxes Original Cross-Section Target Cross-Section Morphing Fitting Cross-Sections (applicable on FE-mesh and geometry)

8. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 8 Direct Morphing Local Depressions On arbitrary shell mesh Different types of cross sections

9. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 9 Direct Morphing Local Depressions Selected Curves Depression Reconstruct Automatically created morphing boxes and morphing parameters

10. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 10 Box Morphing Entities (elements, connections, geometry) loaded to boxes → Moving of control points reshapes the entities

11. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 11 Box Morphing Types of Boxes Hexahedral, Cylindrical and 2D Boxes Topological connection of different types

12. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 12 Box Morphing Approach 1 Multiple boxes which follow the shape of the structure Moving / sliding of control points reshapes the model Rough modification of model shape

13. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 13 Box Morphing Approach 2 Single box, split into many whose edges fit on feature lines Surrounding boxes as buffer zones Precise modification of model shape

14. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 14 Box Morphing Approach 3 Box in Box Separate groups of boxes handle different features Local and global modifications local modification global modification

15. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 15 Box Morphing Creation of Boxes Along coordinate system / Min. Volume Multiple Boxes (Hexa-block, O-ring) Sweep / Glide Adapt Cylindrical Points Curves Offset Link...

16. COMPUTER AIDED ENGINEERING Split / Join Concentric split Move Slide / Extend Fit (edges, surfaces) Radius Angle Tangency... Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 16 Box Morphing Modification of Boxes TranslateRotate

17. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 17 Box Morphing Linked Morphing Boxes Taking advantage of model symmetry Link according symmetry-/mirror plane, rotation axis or translation vector

18. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 18 Morph History States Keep history of morphing actions Can be stored automatically after morphing actions or manually at any time Continuous morphing between history states

19. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 19 Additional Constraints – Nested Elements Applicable for Direct and Box Morphing Act as un-deformable shapes (rigid bodies) during Morphing Dependent rigid movements With Nested ElementsWithout Nested Elements

20. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 20 Morphing Parameter Couples morphing tool with optimization software Applicable for almost all interactive morphing modifications Extend Angle Offset Transform Radius Edge Fit Direct Deformation User Tangent DFM …

21. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 21 Morphing Parameter Deformation Parameter Records any morphing action (Direct or Box Morphing) Retrieve undeformed shape as well as interpolations or extrapolations between undeformed and deformed shape Initial shape – start recording Deformed shape – stop recording Edge Fit Move Free Deformation Parameter

22. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 22 Morphing with Vectors Morph according previous morphing actions: DD eformation Parameter HH istory States DD ESVAR of Nastran SOL 200 TT ext file E.g. morph geometry according optimized FE-model or morph similar models in same manner

23. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 23 Functionalities assisting Morphing 3D Points and Curves Act as initial or target positions Suitable for Direct and Box Morphing Obtained from FE mesh or CAD geometry

24. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 24 Functionalities assisting Morphing Part Manager Useful for Box Morphing (esp. complex configurations) To organize morph contents

25. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 25 Functionalities assisting Morphing Reconstruct / Smooth morphed mesh Suitable for Direct and Box Morphing Improve mesh after morphing with large deformations

26. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 26 Functionalities assisting Morphing Visualize Morphing Deviations Suitable for Direct and Box Morphing Measurement Tool Fringe Plot of deformed shape

27. COMPUTER AIDED ENGINEERING Integrierte Optimierung mit ANSA, LS-OPT und META – Infotag 01.03.2012 27