期刊
COMPUTERS & FLUIDS
卷 133, 期 -, 页码 140-150出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compfluid.2016.04.028
关键词
Computational fluid dynamics; Periodic hill; Volume penalization; Fourier spectral method; Finite volumes; Wavelets
资金
- Graduate School of Excellence Computational Engineering at TU Darmstadt
- international affairs office of Aix Marseille Universite
We consider a turbulent flow past periodic hills at Reynolds number 1400 and compare two numerical methods: A Fourier pseudo-spectral scheme with volume penalization to model the no-slip boundary conditions and a finite volume method with body fitted grids. A detailed comparison of the results is presented for mean velocity profiles and Reynolds stress and confronted with those obtained by Breuer et al., [1]. In addition higher order statistics are performed and their scale-dependence is analyzed using orthogonal wavelets. Moreover, for the Fourier pseudo-spectral scheme, the influence of the Reynolds number is investigated. (C) 2016 Elsevier Ltd. All rights reserved.
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