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Conference papers

Efficient, Physically Plausible Finite Elements

Matthieu Nesme 1, 2 Yohan Payan 3 François Faure 2
2 EVASION - Virtual environments for animation and image synthesis of natural objects
GRAVIR - IMAG - Laboratoire d'informatique GRAphique, VIsion et Robotique de Grenoble, Inria Grenoble - Rhône-Alpes, CNRS - Centre National de la Recherche Scientifique : FR71
3 TIMC-IMAG-GMCAO - Gestes Medico-chirurgicaux Assistés par Ordinateur
TIMC-IMAG - Techniques de l'Ingénierie Médicale et de la Complexité - Informatique, Mathématiques et Applications, Grenoble - UMR 5525
Abstract : This paper discusses FEM-based simulations of soft bodies in terms of speed and robustness. To be physically plausible, three fundamental laws must be respected: rotational invariance, Newton's law and Euler's law. We show that precomputed strain-displacement matrices generate nonphysical torques which can lead to visual artifacts. We then derive the fastest FEM-based method meeting our criteria of plausibility and robustness and discuss their limitations.
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Submitted on : Sunday, February 19, 2012 - 3:50:18 AM
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  • HAL Id : inria-00394480, version 2



Matthieu Nesme, Yohan Payan, François Faure. Efficient, Physically Plausible Finite Elements. Eurographics, Aug 2005, Dublin, Ireland. ⟨inria-00394480v2⟩



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