Geodesic
Direct numerical simulation of moderately rarefied gas flow within two-dimensional artificial porous media
Matematičeskoe modelirovanie, Tome 30 (2018) no. 1, pp. 3-16

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Numerical study of applicability of quasi-hydrodynamic equations for simulation of isothermal moderately rarefied gas flows in two-dimensional domains with complex geometry typical for pore space of core samples was done. Classical Maxwell slip boundary conditions are used to take into account slippage effect on the solid boundaries. Its approximation is suggested and implementation algorithm is described. Simulation results for several samples under different averaged pressure are presented. The qualitatively right Klinkenberg slippage coefficient dependence on ratio of absolute permeability coefficient to sample porosity was obtained.
Mots-clés : quasi-hydrodynamic equations
Keywords: digital rock physics, moderately rarefied gas, slippage effect, slip boundary condition, Klinkenberg slippage coefficient. 
@article{MM_2018_30_1_a0,
     author = {V. A. Balashov},
     title = {Direct numerical simulation of moderately rarefied gas flow within two-dimensional artificial porous media},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {3--16},
     publisher = {mathdoc},
     volume = {30},
     number = {1},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_2018_30_1_a0/}
}
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V. A. Balashov. Direct numerical simulation of moderately rarefied gas flow within two-dimensional artificial porous media. Matematičeskoe modelirovanie, Tome 30 (2018) no. 1, pp. 3-16. http://geodesic.mathdoc.fr/item/MM_2018_30_1_a0/