Strongly overdamped Dissipative Particle Dynamics for fluid-solid systems

被引：1
|
作者：
Phan-Thien, N. [1 ]
Mai-Duy, N. [1 ,2 ]
Khoo, B. C. [1 ]
Duong-Hong, D. [3 ]
机构：
[1] Natl Univ Singapore, Fac Engn, Dept Mech Engn, 9 Engn Dr 1, Singapore 117575, Singapore
[2] Univ So Queensland, Computat Engn & Sci Res Ctr, Sch Mech & Elect Engn, Toowoomba, Qld 4350, Australia
[3] Welch Allyn Singapore Pte Ltd, 438B Alexandra Rd,01-03 Alexandra Technopk, Singapore 119968, Singapore
来源：
APPLIED MATHEMATICAL MODELLING | 2016年 / 40卷 / 13-14期
基金：
澳大利亚研究理事会;
关键词：
Dissipative Particles Dynamics; Strongly overdamped systems; Compressibilit; Dynamic response; Particulate suspension; DPD; HYDRODYNAMICS; SUSPENSIONS;
D O I：
10.1016/j.apm.2016.01.051
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, a numerical scheme is used to study strongly-overdamped Dissipative Particles Dynamics (DPD) systems for the modelling of fluid-solid systems. In the scheme, the resultant set of algebraic equations for the velocities are directly solved in an iterative manner. Different test problems, e.g., viscometric flows, particulate suspensions and flows past a periodic square array of cylinders, are used to verify the proposed method. In the simulation of particulate suspensions, a new simple model for massless suspended particles is presented. A DPD fluid in the overdamped limit is shown to possess several attractive properties including much faster dynamic response and near-incompressibility. (C) 2016 Elsevier Inc. All rights reserved.
引用
收藏
页码：6359 / 6375
页数：17
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