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Zhurnal Vychislitel'noi Matematiki i Matematicheskoi Fiziki, 2019, Volume 59, Number 3, Pages 516–525
DOI: https://doi.org/10.1134/S004446691903013X (Mi zvmmf10868) 		 
Solution of fluid dynamics problems in truncated computational domains

I. I. Potapov, K. S. Snigur

Computer Center, Far Eastern Branch, Russian Academy of Sciences, Khabarovsk, 680000 Russia
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DOI: https://doi.org/10.1134/S004446691903013X
Abstract: A mathematical model consisting of quasi-hydrodynamic equations and Dong's outflow boundary conditions is proposed for solving fluid dynamics problems in a truncated computational domain. A solution algorithm based on finite-element and control-volume methods is developed. The Kovasznay flow and the flow over a backward-facing step in truncated computational domains are numerically simulated. A comparative analysis of the numerical results shows that the proposed mathematical model adequately describes the hydrodynamic flows in a truncated domain.
Key words: hydrodynamic flow, truncated computational domain, backward-facing step, quasi-hydrodynamic equations, mathematical simulation.
Funding agency Grant number
Russian Foundation for Basic Research 18-05-00530_а
18-35-00139
This work was funded by the Russian Foundation for Basic Research, project nos. 18-05-00530, 18-35-00139.
Received: 18.07.2018
English version:
Computational Mathematics and Mathematical Physics, 2019, Volume 59, Issue 3, Pages 484–492
DOI: https://doi.org/10.1134/S0965542519030138
Bibliographic databases:
Document Type: Article
UDC: 519.635
Language: Russian
Citation: I. I. Potapov, K. S. Snigur, “Solution of fluid dynamics problems in truncated computational domains”, Zh. Vychisl. Mat. Mat. Fiz., 59:3 (2019), 516–525; Comput. Math. Math. Phys., 59:3 (2019), 484–492
Citation in format AMSBIB
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    		Журнал вычислительной математики и математической физики Computational Mathematics and Mathematical Physics
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