A Unified Stochastic Particle Bhatnagar-Gross-Krook Method for Multiscale Gas Flows

Fei Fei, Jun Zhang, Jing Li +1

The stochastic particle method based on Bhatnagar-Gross-Krook (BGK) or ellipsoidal statistical BGK (ESBGK) model approximates the pairwise collisions in the Boltzmann equation usin…