Minimal number of discrete velocities for a flow description and internal structural evolution of a shock wave

Title
Minimal number of discrete velocities for a flow description and internal structural evolution of a shock wave
Authors
심재완
Issue Date
2021-01
Publisher
International journal of non-linear mechanics
Citation
VOL 128, 103633
Abstract
A fluid flow is described by fictitious particles hopping on homogeneously distributed nodes with a given finite set of discrete velocities. We emphasize that the existence of a fictitious particle having a discrete velocity among the set in a node is given by a probability. We describe a compressible thermal flow of the level of accuracy of the Navier?Stokes equation by 25 or 33 discrete velocities for two-dimensional space and perform simulations for investigating internal structural evolution of a shock wave.
URI
http://pubs.kist.re.kr/handle/201004/72125
ISSN
0020-7462
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KIST Publication > Article
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