固体4Foam中采用LES过滤方法的流体-结构相互作用模拟

IF 0.3 Q4 MATHEMATICS

Communications in Applied and Industrial Mathematics Pub Date : 2021-01-01 DOI:10.2478/caim-2021-0002

M. Girfoglio, A. Quaini, G. Rozza

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引用次数: 10

摘要

摘要本文的目标是测试solids4Foam，这是为泡沫扩展（OpenFOAM的一个分支）开发的流体-结构相互作用（FSI）工具箱，并评估其在处理更复杂流动时的灵活性。为此，我们考虑了由Leray模型描述的不可压缩流体与建模为Saint-Venant Kirchho材料的超弹性结构的相互作用。我们专注于有限体积环境中的强耦合、分区流体-结构相互作用（FSI）求解器，结合任意拉格朗日-欧拉方法来处理流体域的运动。为了实现具有非线性差分低通滤波器的Leray模型，我们采用了一种称为Evolve filter Relax的三步算法。我们根据文献中可用的雷诺数为100和400的悬臂梁三维横流的数值数据验证了我们的方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Fluid-structure interaction simulations with a LES filtering approach in solids4Foam

Abstract The goal of this paper is to test solids4Foam, the fluid-structure interaction (FSI) toolbox developed for foam-extend (a branch of OpenFOAM), and assess its flexibility in handling more complex flows. For this purpose, we consider the interaction of an incompressible fluid described by a Leray model with a hyperelastic structure modeled as a Saint Venant-Kirchho material. We focus on a strongly coupled, partitioned fluid-structure interaction (FSI) solver in a finite volume environment, combined with an arbitrary Lagrangian-Eulerian approach to deal with the motion of the fluid domain. For the implementation of the Leray model, which features a nonlinear differential low-pass filter, we adopt a three-step algorithm called Evolve-Filter-Relax. We validate our approach against numerical data available in the literature for the 3D cross flow past a cantilever beam at Reynolds number 100 and 400.

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来源期刊

Communications in Applied and Industrial Mathematics Mathematics-Applied Mathematics

CiteScore

1.30

自引率

0.00%

发文量

审稿时长

16 weeks

期刊介绍： Communications in Applied and Industrial Mathematics (CAIM) is one of the official journals of the Italian Society for Applied and Industrial Mathematics (SIMAI). Providing immediate open access to original, unpublished high quality contributions, CAIM is devoted to timely report on ongoing original research work, new interdisciplinary subjects, and new developments. The journal focuses on the applications of mathematics to the solution of problems in industry, technology, environment, cultural heritage, and natural sciences, with a special emphasis on new and interesting mathematical ideas relevant to these fields of application . Encouraging novel cross-disciplinary approaches to mathematical research, CAIM aims to provide an ideal platform for scientists who cooperate in different fields including pure and applied mathematics, computer science, engineering, physics, chemistry, biology, medicine and to link scientist with professionals active in industry, research centres, academia or in the public sector. Coverage includes research articles describing new analytical or numerical methods, descriptions of modelling approaches, simulations for more accurate predictions or experimental observations of complex phenomena, verification/validation of numerical and experimental methods; invited or submitted reviews and perspectives concerning mathematical techniques in relation to applications, and and fields in which new problems have arisen for which mathematical models and techniques are not yet available.