 Jukka Aho
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4a47610d3f
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feat(physics): add strain extraction from displacement gradients
New 60-line strain extraction system:
- extract_strain(): extract strain tensor from displacement gradient
- extract_strain_rate(): extract strain rate from velocity gradient
- extract_strain_2d(): 2D version
- Uses symmetric() to compute symmetric part of gradient
- Already integrated in JuliaFEM.jl (line 186)
Provides strain computation for continuum mechanics formulations.
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2025-12-15 06:18:18 +02:00 |
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