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Zhurnal Vychislitel'noi Matematiki i Matematicheskoi Fiziki, 2019, Volume 59, Number 12, Pages 2046–2059
DOI: https://doi.org/10.1134/S0044466919120020 (Mi zvmmf10996) 		 
Immersed boundary method on deformable unstructured meshes for airfoil aeroacoustic simulation

I. V. Abalakina, A. P. Dubena, N. S. Zhdanovaa, T. K. Kozubskayaa, L. N. Kudryavtsevaab

a Federal Research Center Keldysh Institute of Applied Mathematics, Russian Academy of Sciences, Moscow, 125047 Russia
b Dorodnicyn Computing Center, Federal Research Center "Computer Science and Control," Russian Academy of Sciences, Moscow, 119333 Russia
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DOI: https://doi.org/10.1134/S0044466919120020
Abstract: An immersed boundary method on unstructured meshes is used in serial eddy-resolving simulations of turbulent flows over individual bodies with a changeable configuration and position. The corresponding numerical technique is based on mesh deformation and dynamic adaptation of a moving mesh without changing its topology. The described approach makes it possible to substantially reduce the computational costs of serial computations with variations in geometric parameters aimed at optimizing the shapes of airfoil elements. The performance of the technique is demonstrated by simulating the aeroacoustic properties of a two-element airfoil segment involving a leading-edge slat with changeable geometry.
Key words: immersed boundary method, Brinkman penalization method, unstructured mesh, moving mesh, mesh deformation, LES approach, turbulent flow, airfoil, slat, aeroacoustics.
Funding agency Grant number
Russian Science Foundation 16-11-10350
This work was supported by the Russian Science Foundation, grant no. 16-11-10350.
Received: 26.06.2019
Revised: 26.06.2019
Accepted: 05.08.2019
English version:
Computational Mathematics and Mathematical Physics, 2019, Volume 59, Issue 12, Pages 1982–1993
DOI: https://doi.org/10.1134/S0965542519120029
Bibliographic databases:
Document Type: Article
UDC: 519.63
Language: Russian
Citation: I. V. Abalakin, A. P. Duben, N. S. Zhdanova, T. K. Kozubskaya, L. N. Kudryavtseva, “Immersed boundary method on deformable unstructured meshes for airfoil aeroacoustic simulation”, Zh. Vychisl. Mat. Mat. Fiz., 59:12 (2019), 2046–2059; Comput. Math. Math. Phys., 59:12 (2019), 1982–1993
Citation in format AMSBIB
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