Physics Based Real-Time Explosion Simulation
Digital Home（2012）
Abstract
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.
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Key words
advection,parallel processing,parallel simulation computation,vorticity confinement force,gpu algorithm design,jacobi iteration,different parameter value,maccomark method,physics computing,incompressbile navier stokes equations,graphics processing units,gpu algorithm,incompressible navier stokes equations,voricity confinement,navier-stokes equations,physics-based real-time explosion simulation,computational step,explosion,explosions,explosion physical models,numerical dissipation reduction,grid size,real-time explosion simulation,high visual quality,digital simulation,real time efficiency,time efficiency,confined flow,parameter values,lager grid size,double density source,double-density sources,real time simulation,double density sources,compressible flow,visual quality
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