Preserving Topology and Elasticity for Embedded Deformable Models

Matthieu Nesme 1, 2 Paul Kry Lenka Jerabkova 1 François Faure 1
1 EVASION - Virtual environments for animation and image synthesis of natural objects
Inria Grenoble - Rhône-Alpes, LJK - Laboratoire Jean Kuntzmann, INPG - Institut National Polytechnique de Grenoble
Abstract : In this paper we introduce a new approach for the embedding of linear elastic deformable models. Our technique results in significant improvements in the efficient physically based simulation of highly detailed objects. First, our embedding takes into account topological details, that is, disconnected parts that fall into the same coarse element are simulated independently. Second, we account for the varying material properties by computing stiffness and interpolation functions for coarse elements which accurately approximate the behaviour of the embedded material. Finally, we also take into account empty space in the coarse embeddings, which provides a better simulation of the boundary. The result is a straightforward approach to simulating complex deformable models with the ease and speed associated with a coarse regular embedding, and with a quality of detail that would only be possible at much finer resolution.
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Matthieu Nesme, Paul Kry, Lenka Jerabkova, François Faure. Preserving Topology and Elasticity for Embedded Deformable Models. ACM Transactions on Graphics, Association for Computing Machinery, 2009, Proceedings of ACM SIGGRAPH 2009, 28 (3), pp.Article No. 52. ⟨10.1145/1531326.1531358⟩. ⟨inria-00394451⟩

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