A parallel DIG–DSMC solver on unstructured meshes matches SPARTA and cuts core-hours ~360× and memory ~50× for near-continuum 3D cavity flow via coarser meshes and fewer samples.
Fei, A time-relaxed Monte Carlo method preserving the Navier–Stokes asymptotics, Journal of Computational Physics 486 (2023) 112128
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Parallel simulation of rarefied gas flows on unstructured meshes using the DIG-augmented DSMC method
A parallel DIG–DSMC solver on unstructured meshes matches SPARTA and cuts core-hours ~360× and memory ~50× for near-continuum 3D cavity flow via coarser meshes and fewer samples.