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Multigrid Integration for Interactive Deformable Body Simulation

  • Xunlei Wu
  • Frank Tendick
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3078)

Abstract

Simulation of soft tissue behavior for surgical training systems is a particularly demanding application of deformable modeling. Explicit integration methods on single mesh require small time step to maintain stability, but this produces slow convergence spatially through the object. In this paper, we propose a multigrid integration scheme to improve the stability and convergence of explicit integration. Our multigrid method uses multiple unstructured independent meshes on the same object. It is shown that, with the proposed multigrid integration, both stability and convergence can be improved significantly over single level explicit integration.

Keywords

Coarse Mesh Multigrid Method Coarse Level Deformable Modeling Iterative Solver 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • Xunlei Wu
    • 1
  • Frank Tendick
    • 2
  1. 1.Simulation GroupCIMIT/Harvard UniversityCambridgeUSA
  2. 2.Department of SurgeryUniversity of California San FranciscoSan FranciscoUSA

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