PG2012short

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Real-time Particle Fluid Simulation with WCSPH
(The Eurographics Association, 2012) Zhang, Fengquan; Shen, Xukun; Long, Xiang; Zhao, Bin; Hu, Lei; Chris Bregler and Pedro Sander and Michael Wimmer
In this paper, based on weakly compressible smoothed particles hydrodynamics (WCSPH), we present a method for simulating high quality fluid. We propose a new pressure equation to reduce time overhead, speed up convergence towards small density fluctuations and allow for a larger time step than that of traditional approaches. And based on the new equation, we introduce a new adaptive time-stepping approach that automatically adapts the time step according to each particle current individual time step, thus improving the efficiency of computation and contributing much to a real-time particle fluid simulation. For real-time simulation, we make full use of CPU and GPU in a combined way to build a parallel platform, namely Multi-GPU platform. And optimization of the platform design is made to run a simulation with realistic visual effects in real time.