Consistent particle-based algorithm with a non-ideal equation of state

被引：40
|
作者：
Ihle, T
Tüzel, E
Kroll, DM
机构：
[1] N Dakota State Univ, Dept Phys, Fargo, ND 58102 USA
[2] Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA
[3] Univ Minnesota, Inst Supercomp, Walter Lib 599, Minneapolis, MN 55455 USA
来源：
EUROPHYSICS LETTERS | 2006年 / 73卷 / 05期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1209/epl/i2005-10460-0
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A thermodynamically consistent particle-based model for fluid dynamics with continuous velocities and a non-ideal equation of state is presented. Excluded-volume interactions are modeled by means of biased stochastic multiparticle collisions which depend on the local velocities and densities. Momentum and energy are conserved locally. The equation of state is derived and compared to independent measurements of the pressure. Results for the kinematic shear viscosity and self-diffusion constants are presented. For fixed density, a caging and order/disorder transition is observed with increasing collision frequency.
引用
收藏
页码：664 / 670
页数：7
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