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Dynamics of Formation and Fine Structure of Flow Pattern Around Obstacles in Laboratory and Computational Experiment

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Supercomputing (RuSCDays 2016)

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Abstract

Non-stationary dynamics and structure of stratified and homogeneous fluid flows around a plate and a wedge were studied on basis of the fundamental equations set using methods of laboratory and numerical modeling. Fields of various physical variables and their gradients were visualized in a wide range of the problem parameters. Eigen temporal and spatial scales of large (vortices, internal waves, wake) and fine flow components were defined. The same system of equations and numerical algorithm were used for the whole range of the parameters under consideration. The computation results are in a good agreement with the data of laboratory experiments.

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Acknowledgements

The work was partially supported by Russian Foundation for Basic Research (grant 15-01-09235). The calculations were performed using the service UniHUB (www.unihub.ru) and Research Computing Centre “Lomonosov” (www.parallel.ru).

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Correspondence to Yu. D. Chashechkin .

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Chashechkin, Y.D., Zagumennyi, Y.V., Dimitrieva, N.F. (2016). Dynamics of Formation and Fine Structure of Flow Pattern Around Obstacles in Laboratory and Computational Experiment. In: Voevodin, V., Sobolev, S. (eds) Supercomputing. RuSCDays 2016. Communications in Computer and Information Science, vol 687. Springer, Cham. https://doi.org/10.1007/978-3-319-55669-7_4

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  • DOI: https://doi.org/10.1007/978-3-319-55669-7_4

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