A strongly coupled, embedded-boundary method for fluid-structure interactions of elastically mounted rigid bodies

被引：138
|
作者：
Yang, J. [1 ]
Preidikman, S. [1 ]
Balaras, E. [1 ]
机构：
[1] Univ Maryland, Dept Mech Engn, College Pk, MD 20816 USA
来源：
JOURNAL OF FLUIDS AND STRUCTURES | 2008年 / 24卷 / 02期
基金：
美国国家科学基金会; 美国国家卫生研究院;
关键词：
fluid-structure interactions; strong coupling; incompressible flows; embedded boundary method; sharp interface; finite; difference method;
D O I：
10.1016/j.jfluidstructs.2007.08.002
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In the present paper, an embedded-boundary formulation that is applicable to fluid-structure interaction problems is presented. The Navier-Stokes equations for incompressible flow are solved on a Cartesian grid which is not aligned with the boundaries of a body that undergoes large-angle/large-displacement rigid,body motions through the fixed grid. A strong-coupling scheme is adopted, where the fluid and the structure are treated as elements of a single dynamical system, and all of the governing equations are integrated simultaneously and interactively in the time domain. A demonstration of the accuracy and efficiency of the method is given for a variety of fluid-structure interaction problems. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：167 / 182
页数：16
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