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[FEM] Refactor PolarDecomposition and add an affine motion fit for rotation extraction - #6421

Merged

hugtalbot merged 18 commits into

sofa-framework:masterfrom

th-skam:fix-rest-offset

Nov 6, 2026

Merged

[FEM] Refactor PolarDecomposition and add an affine motion fit for rotation extraction#6421
hugtalbot merged 18 commits into
sofa-framework:masterfrom
th-skam:fix-rest-offset

Commits on Nov 6, 2026
- add unit test for PolarDecomposition.h
  
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  c83a29e
- Fix the polar decomposition
  
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  3543422
- Rename test class
  
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  bd65817
- Temporarily set back rigid fit
  
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  ec4da52
- Add stretch patch test
  
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- Add the renumbering test
  
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  952014f
- Re-organize constants
  
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  0660b02
- Add flat 2D elements in 3D and check rotation determinant
  
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  d5405d9
- Add normal completion for lower dimensional elements
  
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  f9fc8d8
- Add the normal completion to stable polar as well
  
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  3b6df92
- Switch on pass expectation for stretch patch test for irregular elements
  
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  389b7d4
- Add a template parameter for the nodal fit to estimate the rotation
  
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  d4eaaa3
- Lambdify expression for compact
  
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  d166087
- Merge Stable and PolarDecomposition
  
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  47ef9b9
- Rename Algorithm to Standard and Stable
  
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  1c1a0db
- Add Edges in 2D tests
  
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  d34e6c4
- Re-write comments
  
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  e3ce45c
- Remove handling of embedded elements
  
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  53c9e7a

Commits

Commits on Nov 6, 2026