Integration of [Kee et al. 2023]: "An Optimization-Based SPH Solver for Simulation of Hyperelastic Solids"#372

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minh702:Kee2023

Commits on Feb 7, 2026

WIP: Kee et al. 2023. SNH, CoRot anaytic eigen analysis for PSD fix; L-BFGS; validating line search
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Commits on Feb 11, 2026

Kee2023: L-BFGS buffer renewal, line search with flat energy termination, SVD polar decomposition fix
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Commits on Feb 24, 2026

[del] remove utilities/version.h
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Commits on Apr 15, 2026