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A full Eulerian finite difference approach for solving fluid-structure coupling problems
DOI:10.1016/j.jcp.2010.09.032.png)
摘要
En 中文
A new simulation method for solving fluid-structure coupling problems has been developed. All the basic equations are numerically solved on a fixed Cartesian grid using a finite difference scheme. A volume-of-fluid formulation [Hirt, Nichols, J. Comput. Phys. 39 (1981) 201], which has been widely used for multiphase flow simulations, is applied to describing the multi-component geometry. The temporal change in the solid deformation is described in the Eulerian frame by updating a left Cauchy-Green deformation tensor, which is used to express constitutive equations for nonlinear Mooney-Rivlin materials. In this paper, various verifications and validations of the present full Eulerian method, which solves the fluid and solid motions on a fixed grid, are demonstrated, and the numerical accuracy involved in the fluid-structure coupling problems is examined. (C) 2010 Elsevier Inc. All rights reserved.
Keyword:
Fluid-structure interaction
Finite difference method
Eulerian formulation
Volume-of-fluid
Hyperelastic material
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期刊
IF:
3.8
论文数:
1.6W
被引数:
7.4W
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