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physics.comp-ph2026
Parallel simulation of rarefied gas flows on unstructured meshes using the DIG-augmented DSMC method
Tao Huang, Liyan Luo, Hong Deng +1
While the direct simulation Monte Carlo (DSMC) is a mainstream stochastic particle method for simulating rarefied gas flows, it incurs excessively high computational costs in the n…
physics.comp-ph2026
Efficient simulation of chemical reaction in DSMC
Hong Deng, Liyan Luo, Lei Wu
A macroscopic mesoscopic, deterministic stochastic coupling strategy is proposed to accelerate the direct simulation Monte Carlo (DSMC) method for chemical reaction. First, a macro…
physics.comp-ph2026
An efficient treatment of heat-flux boundary conditions in GSIS for rarefied gas flows
Yanbing Zhang, Ruifeng Yuan, Liyan Luo +1
Heat-flux boundary conditions are challenging to implement efficiently in rarefied gas flow simulations because the wall-reflected gas temperature and density must be determined dy…