Merging-and-Splitting

Nghia Truong Cem Yuksel Chakrit Watcharopas Joshua A. Levine Robert M. Kirby

Robustly handling collisions between individual particles in a large particle-based simulation has been a challenging problem. This project introduces particle merging-and-splitting, a simple scheme for robustly handling collisions between particles that prevents inter-penetrations of separate objects without introducing numerical instabilities. This scheme can be used for stable and robust collisions within a particle-based simulation and also for coupling different simulation systems using different and otherwise incompatible integrators.