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Reynolds stress anisotropy based turbulent eddy viscosity model applied to numerical ocean models / Subhendu Maity in Transactions of the ASME . Journal of fluids engineering, Vol. 133 N° 6 (Juin 2011) 

Public ISBD [article]  in Transactions of the ASME . Journal of fluids engineering > Vol. 133 N° 6 (Juin 2011) . - 03 p. Titre : Reynolds stress anisotropy based turbulent eddy viscosity model applied to numerical ocean models Type de document : texte imprimé Auteurs : Subhendu Maity, Auteur ; Hari Warrior, Auteur Année de publication : 2011 Article en page(s) : 03 p. Note générale : Fluids engineering Langues : Anglais (eng) Mots-clés : Flow  simulation  Geophysical  fluid  dynamics  Oceanographic  techniques  Turbulence  Viscosity Index. décimale : 620.1 Essais des matériaux. Défauts des matériaux. Protection des matériaux Résumé : The present state-of-the-art ocean models use an eddy viscosity that depends on structure parameter (Cµ). In this paper we use a Reynolds stress anisotropy based formulation for the eddy viscosity because in addition to the value of turbulent kinetic energy, it also depends on the degree of anisotropy. The formulation is incorporated into the General Ocean Turbulence Model (GOTM) and simulated using the famous test case of Ocean Weather Station (OWS) Papa experiment. Even if there is not much of an improvement in terms of results with this model, it can be very easily incorporated into the ocean models removing cumbersome equations for structure parameters. DEWEY : 620.1 ISSN : 0742-4795 En ligne : http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JFEGA400013 [...] [article] Reynolds stress anisotropy based turbulent eddy viscosity model applied to numerical ocean models [texte imprimé] / Subhendu Maity, Auteur ; Hari Warrior, Auteur . - 2011 . - 03 p. Fluids engineering Langues : Anglais (eng) in Transactions of the ASME . Journal of fluids engineering > Vol. 133 N° 6 (Juin 2011) . - 03 p. Mots-clés : Flow  simulation  Geophysical  fluid  dynamics  Oceanographic  techniques  Turbulence  Viscosity Index. décimale : 620.1 Essais des matériaux. Défauts des matériaux. Protection des matériaux Résumé : The present state-of-the-art ocean models use an eddy viscosity that depends on structure parameter (Cµ). In this paper we use a Reynolds stress anisotropy based formulation for the eddy viscosity because in addition to the value of turbulent kinetic energy, it also depends on the degree of anisotropy. The formulation is incorporated into the General Ocean Turbulence Model (GOTM) and simulated using the famous test case of Ocean Weather Station (OWS) Papa experiment. Even if there is not much of an improvement in terms of results with this model, it can be very easily incorporated into the ocean models removing cumbersome equations for structure parameters. DEWEY : 620.1 ISSN : 0742-4795 En ligne : http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JFEGA400013 [...]