Hydrodynamic theory for granular gases

被引：0
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作者：
机构：
[1] [1,Ramírez, Rosa
[2] Risso, Dino
[3] Soto, Rodrigo
[4] Cordero, Patricio
来源：
Ramirez, Rosa | 2000年 / American Institute of Physics Inc.卷 / 62期
关键词：
Boundary conditions - Computer simulation - Equations of state of gases - Hydrostatic pressure - Integral equations - Kinetic theory of gases - Molecular dynamics - Temperature - Thermodynamic properties;
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摘要：
A bi-dimensional granular system of N inelastic hard disks is studied by using hydrodynamic equations using a moment expansion method. The method uses a reference distribution function f0 that differs from a Maxwellian distribution in that it has a nonvanishing fourth cumulant, K. The value of the fourth cumulant is determined directly from molecular dynamic simulations. The obtained value is independent of the size N of the system.
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