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Zhurnal Vychislitel'noi Matematiki i Matematicheskoi Fiziki, 2021, Volume 61, Number 1, Pages 3–19
DOI: https://doi.org/10.31857/S0044466920120030
(Mi zvmmf11180)
 

This article is cited in 2 scientific papers (total in 2 papers)

General numerical methods

EBR schemes with curvilinear reconstructions of variables in the near-wall region

A. P. Duben, T. K. Kozubskaya, P. V. Rodionov, V. O. Tsvetkova

Keldysh Institute of Applied Mathematics of Russian Academy of Sciences, Moscow
Citations (2)
References:
Abstract: Higher accuracy vertex-centered EBR schemes for gasdynamic simulations on unstructured meshes are developed. The schemes are equipped with the option of using a quasi-one-dimensional curvilinear stencil for reconstructing variables on a structured or semi-structured anisotropic mesh in the near-wall region. In the two-dimensional case, the use of curvilinear reconstruction leads to the natural transformation of an EBR scheme into a structured mesh finite-volume method. In the three-dimensional case, an original algorithm for finding stencil points and corresponding metric coefficients is developed to implement curvilinear reconstructions of variables in prismatic layers. The effect exerted by curvilinear reconstructions used in EBR schemes as applied to external flow problems is demonstrated on the well-known test problem of the flow around the NACA0012 airfoil considered in two- and three-dimensional formulations. The new algorithm is validated by comparing the solution with experimental data and numerical results of other authors. The use of curvilinear reconstructions in EBR schemes enhances the stability of the method and improves the accuracy of the numerical results.
Key words: EBR scheme, quasi-one-dimensional reconstruction, curvilinear stencil, semi-structured mesh, boundary layer, external flow problem.
Funding agency Grant number
Russian Foundation for Basic Research 18-01-00445
This work was supported by the Russian Foundation for Basic Research (project no. 18-01-00445).
Received: 13.05.2020
Revised: 05.06.2020
Accepted: 18.09.2020
English version:
Computational Mathematics and Mathematical Physics, 2021, Volume 61, Issue 1, Pages 1–16
DOI: https://doi.org/10.1134/S0965542520120039
Bibliographic databases:
Document Type: Article
UDC: 519.6
Language: Russian
Citation: A. P. Duben, T. K. Kozubskaya, P. V. Rodionov, V. O. Tsvetkova, “EBR schemes with curvilinear reconstructions of variables in the near-wall region”, Zh. Vychisl. Mat. Mat. Fiz., 61:1 (2021), 3–19; Comput. Math. Math. Phys., 61:1 (2021), 1–16
Citation in format AMSBIB
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\paper EBR schemes with curvilinear reconstructions of variables in the near-wall region
\jour Zh. Vychisl. Mat. Mat. Fiz.
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\vol 61
\issue 1
\pages 3--19
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  • This publication is cited in the following 2 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    Журнал вычислительной математики и математической физики Computational Mathematics and Mathematical Physics
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