Explosion Simulation Using Compressible Fluids
Abhinav Golas, A. Khan, Prem Kumar Kalra, Subodh Kumar · 2008
We propose a novel physically based method to simulate explosions and other compressible fluid phenomena. The method uses compressible Navier Stokes equations for modeling the explosion with a Semi-Lagrangian integration method. The proposed integration method addresses the issues of stability and larger timesteps. This is achieved by modifying the Semi-Lagrangian method to reduce dissipation and increase accuracy, using improved interpolation and an error correction method. The proposed method allows the rendering of related phenomena like a fireball, dust and smoke clouds, and the simulation of solid interaction - like rigid fracture and rigid body simulation. Our method is flexible enough to afford substantial artistic control over the behavior of the explosion.