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Physics Based Real-Time Explosion Simulation (IEEE)
In this paper, we propose a novel framework for the physics based real time simulation of explosions. We employ incompressible Navier Stokes equations to model the explosion and design GPU algorithm to conduct parallel simulation computation. Our technical foci are to reduce numerical dissipation by using the MacComark method to solve advection, and respect small scale detail by taking the vorticity confinement force into account. In sharp contrast to other models, we rigorously simplify the physical models of explosions by optimizing some computational steps and adding double density sources, which makes our method to afford lager grid size with high visual quality while achieving real time efficiency. Besides, our method is also flexible enough and we can control the behavior of an explosion by setting different parameter values.
Paper available at IEEE.
State Key Lab. of Virtual Reality Technol. & Syst., Beihang Univ., Beijing, China