Investigation of the passage between LES and RANS subdomains in the framework of zonal RANS-LES approaches

A detailed investigation of the passage between LES and RANS subdomains for zonal RANS-LES simulations of wall-bounded flows is performed with the main focus on the turbulent quantities reconstruction at LES-RANS interfaces. It is shown, that most accurate results are obtained if the turbulent quant...

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Veröffentlicht in:	Journal of physics. Conference series 2016-11, Vol.769 (1), p.12080
Hauptverfasser:	Gritskevich, M S, Garbaruk, A V, Menter, F R
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Sprache:	eng
Schlagworte:	Physics
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description	A detailed investigation of the passage between LES and RANS subdomains for zonal RANS-LES simulations of wall-bounded flows is performed with the main focus on the turbulent quantities reconstruction at LES-RANS interfaces. It is shown, that most accurate results are obtained if the turbulent quantities are specified from a precursor RANS simulation, while employing the actual solution from the LES subdomain is slightly less precise.
doi_str_mv	10.1088/1742-6596/769/1/012080
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title	Investigation of the passage between LES and RANS subdomains in the framework of zonal RANS-LES approaches
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