Fig. 2From: An efficient algorithm of the unified stochastic particle Bhatnagar-Gross-Krook method for the simulation of multi-scale gas flows(Color online) Sod tube case. a temperature and b density at the final time tfinal = 6.8 × 10−4s. The solid lines are results of DSMC obtained by S. Tiwari [27] and the symbols refer to the efficient USP-BGK resultsBack to article page