The residual-based variational multiscale formulation for the large eddy simulation of compressible flows

J. Liu; A.A. Oberai

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The residual-based variational multiscale formulation for the large eddy simulation of compressible flows

机译：The residual-based variational multiscale formulation for the large eddy simulation of compressible flows

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摘要

The residual-based variational multiscale formulation is applied to develop a large eddy simulation (LES) model for compressible flows. In addition, a mixed model, in which a deviatoric Smagorinsky subgrid stress term is added to the RBVM terms to better model the Reynolds stresses is proposed. These models, along with the dynamic Smagorinsky-Yoshizawa eddy diffusivity model are tested in predicting the decay of homogenous turbulence. For most relevant measures, it is observed that the RBVM models are more accurate than the dynamic Smagorinsky-type model.

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来源
《Computer Methods in Applied Mechanics and Engineering》 |2012年第15期|176-193|共18页
作者
J. Liu; A.A. Oberai;
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作者单位

Department of Mechanical, Aerospace and Nuclear Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类自动化基础理论;
关键词
residual-based variational multiscale; formulation; large eddy simulation; compressible flows;

The residual-based variational multiscale formulation for the large eddy simulation of compressible flows

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