A multi-relaxation unified BGK model for monatomic gas mixtures preserves pairwise interactions and recovers NSF transport behavior, validated against DSMC in homogeneous relaxation, Poiseuille, Couette, and hypersonic cylinder flows.
A particle simulation method for the bgk equation
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A Particle Multi-Relaxation Bhatnagar-Gross-Krook Method for Rarefied Monatomic Gas Mixtures
A multi-relaxation unified BGK model for monatomic gas mixtures preserves pairwise interactions and recovers NSF transport behavior, validated against DSMC in homogeneous relaxation, Poiseuille, Couette, and hypersonic cylinder flows.