Discrete Unified Gas Kinetic Scheme for Porous Media Flow at Representative Elementary Volume Scale

doi:10.19596/j.cnki.1001-246x.7876

Abstract

Abstract: DUGKS is extended to model porous media flow at representative elementary volume scale combined with generalized porous media model. It is verified by several two-dimensional classical problems:Poiseuille flow, Couette flow and cavity flow. Effectiveness of DUGKS for porous media flow is tested and advantage of DUGKS in grid flexibility is demonstrated. A fracture system is modeled by DUGKS for porous media flow.

Key words: porous media flow, representative elementary volume scale, DUGKS

CLC Number:

O357.3

CHEN Xijun, GUO Zhaoli. Discrete Unified Gas Kinetic Scheme for Porous Media Flow at Representative Elementary Volume Scale[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2019, 36(4): 386-394.

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