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O. Civit-Flores and A. Susín Robust Treatment of Degenerate Elements in Interactive Corotational FEM Simulations Computer Graphics Forum 33

Version of Record online: 21 MAY 2014 | DOI: 10.1111/cgf.12351

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We address the problem of robust and efficient treatment of element collapse and inversion in Corotational FEM simulations of deformable objects in 2D and 3D, and show that existing degeneration treatment methods have previously unreported flaws that seriously threaten robustness and physical plausibility in interactive applications. We propose a new method that avoids such flaws, yields faster and smoother degeneration recovery and extends the range of well-behaved degenerate configurations without adding significant complexity or computational cost to standard explicit and quasi-implicit solvers.

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