Exploring the Use of Adaptively Restrained Particles for Graphics Simulations

Pierre-Luc Manteaux 1 François Faure 1 Stephane Redon 2 Marie-Paule Cani 1
1 IMAGINE - Intuitive Modeling and Animation for Interactive Graphics & Narrative Environments
Inria Grenoble - Rhône-Alpes, LJK - Laboratoire Jean Kuntzmann, INPG - Institut National Polytechnique de Grenoble
2 NANO-D - Algorithms for Modeling and Simulation of Nanosystems
Inria Grenoble - Rhône-Alpes, LJK - Laboratoire Jean Kuntzmann, INPG - Institut National Polytechnique de Grenoble
Abstract : In this paper, we explore the use of Adaptively Restrained (AR) particles for graphics simulations. Contrary to previous methods, Adaptively Restrained Particle Simulations (ARPS) do not adapt time or space sampling, but rather switch the positional degrees of freedom of particles on and off, while letting their momenta evolve. Therefore, inter-particles forces do not have to be updated at each time step, in contrast with traditional methods that spend a lot of time there. We present the initial formulation of ARPS that was introduced for molecular dynamics simulations, and explore its potential for Computer Graphics applications: We first adapt ARPS to particle-based fluid simulations and propose an efficient incremental algorithm to update forces and scalar fields. We then introduce a new implicit integration scheme enabling to use ARPS for cloth simulation as well. Our experiments show that this new, simple strategy for adaptive simulations can provide significant speedups more easily than traditional adaptive models.
Keywords : Motion Physically based modeling Adaptivity Particle system
Type de document :
Communication dans un congrès
VRIPHYS 2013 - 10th Workshop on Virtual Reality Interaction and Physical Simulation, Nov 2013, Lille, France. Eurographics Association, pp.17-24, 2013, VRIPHYS 2013 - 10th Workshop on Virtual Reality Interaction and Physical Simulation. 〈10.2312/PE.vriphys.vriphys13.017-024〉
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https://hal.inria.fr/hal-00914653
Contributeur : Pierre-Luc Manteaux <>
Soumis le : jeudi 5 décembre 2013 - 17:52:30
Dernière modification le : mercredi 11 avril 2018 - 01:58:37
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Pierre-Luc Manteaux, François Faure, Stephane Redon, Marie-Paule Cani. Exploring the Use of Adaptively Restrained Particles for Graphics Simulations. VRIPHYS 2013 - 10th Workshop on Virtual Reality Interaction and Physical Simulation, Nov 2013, Lille, France. Eurographics Association, pp.17-24, 2013, VRIPHYS 2013 - 10th Workshop on Virtual Reality Interaction and Physical Simulation. 〈10.2312/PE.vriphys.vriphys13.017-024〉. 〈hal-00914653〉

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