The use of direct simulation Monte Carlo (DSMC) codes in the analysis of low-density flow or, more generally, flows containing regions of strong translational non-equilibrium, is justified by briefly reviewing the lim...
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The use of direct simulation Monte Carlo (DSMC) codes in the analysis of low-density flow or, more generally, flows containing regions of strong translational non-equilibrium, is justified by briefly reviewing the limitations of codes based upon a macroscopic approach. The general structure of a DSMC algorithm is described briefly, and a class of algorithms used within DSMC codes for the simulation of molecular interactions is discussed in greater detail. Basic principles of vector processing are then reviewed, and it is finally shown that the simulation of molecular interactions, which was previously thought to be non-vectorizable, can on the contrary be vectorized with high efficiency.
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