期刊
ACM TRANSACTIONS ON GRAPHICS
卷 29, 期 2, 页码 -出版社
ASSOC COMPUTING MACHINERY
DOI: 10.1145/1731047.1731054
关键词
Deformable models; corotational linear elasticity; near-incompressible solids; parallel simulation
资金
- DOE [09-LR-04-116741-BERA]
- NSF [DMS-0652427, CCF-0830554]
- ONR [N000140310071]
We present a multigrid framework for the simulation of high-resolution elastic deformable models, designed to facilitate scalability on shared memory multiprocessors. We incorporate several state-of-the-art techniques from multigrid theory, while adapting them to the specific requirements of graphics and animation applications, such as the ability to handle elaborate geometry and complex boundary conditions. Our method supports simulation of linear elasticity and corotational linear elasticity. The efficiency of our solver is practically independent of material parameters, even for near-incompressible materials. We achieve simulation rates as high as 6 frames per second for test models with 256K vertices on an 8-core SMP, and 1.6 frames per second for a 2M vertex object on a 16-core SMP.
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