期刊
IEEE TRANSACTIONS ON VISUALIZATION AND COMPUTER GRAPHICS
卷 15, 期 3, 页码 493-503出版社
IEEE COMPUTER SOC
DOI: 10.1109/TVCG.2008.107
关键词
Physically-based simulation; fluid dynamics; smoothed particle hydrodynamics; rigid bodies; boundary handling
We propose a novel boundary handling algorithm for particle-based fluids. Based on a predictor-corrector scheme for both velocity and position, one- and two-way coupling with rigid bodies can be realized. The proposed algorithm offers significant improvements over existing penalty-based approaches. Different slip conditions can be realized and nonpenetration is enforced. Direct forcing is employed to meet the desired boundary conditions and to ensure valid states after each simulation step. We have performed various experiments in 2D and 3D. They illustrate one- and two-way coupling of rigid bodies and fluids, the effects of hydrostatic and dynamic forces on a rigid body, as well as different slip conditions. Numerical experiments and performance measurements are provided.
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