A distributed lagrange multiplier based computational method for the simulation of particulate-Stokes flow

被引：15
作者：
Sharma, N [1 ]
Chen, Y [1 ]
Patankar, NA [1 ]
机构：
[1] Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA
来源：
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING | 2005年 / 194卷 / 45-47期
基金：
美国国家科学基金会;
关键词：
direct numerical simulation (DNS); distributed lagrange multiplier (DLM) method; control volume; SIMPLER; particulate flows;
D O I：
10.1016/j.cma.2004.12.013
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper we present a distributed lagrange multiplier (DLM) based Stokes flow algorithm for particulate flows. The entire fluid-particle domain is treated as a fluid. The "fluid". in the particle domain is ensured to move rigidly by adding a rigidity constraint. We modify the SIMPLER (Semi-Implicit Method for Pressure Linked Equations Revised) algorithm for fluids (by Patankar [Numerical Heat Transfer and Fluid Flow, Taylor and Francis, London, 1980]), to account for the presence of the particle. The modification pertains to the presence of the rigidity constraint in the particle domain. We validate the algorithm with suitable test cases. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：4716 / 4730
页数：15
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