Geodesic
Numerical models of the penetration of a turbulent layer in stably stratified fluid
Matematičeskoe modelirovanie, Tome 27 (2015) no. 5, pp. 52-64.

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The improved numerical models based on the algebraic representations of the Reynolds stresses and fluxes and the use of the differential equation for the transfer of the dispersion of fluctuations of the vertical velocity component are constructed for describing the processes of a vertical turbulent exchange in a stably stratified reservoir. A numerical model of vertical turbulent exchange under the conditions of simultaneous thermal and salinity stratification is constructed. Weinstock modification of the relaxation time scale of scalar field is considered for the case of stratification caused by salinity variation only. Numerical modeling of the penetration of a turbulent layer of a mixed fluid in a linearly stratified medium under the action of constant shear stress is carried out. Computational results agree well with known experimental data.
Keywords: mathematical modelling, turbulent exchange anisotropy.
Mots-clés : turbulence 
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O. F. Vasiliev; T. E. Ovchinnikova; G. G. Chernykh. Numerical models of the penetration of a turbulent layer in stably stratified fluid. Matematičeskoe modelirovanie, Tome 27 (2015) no. 5, pp. 52-64. http://geodesic.mathdoc.fr/item/MM_2015_27_5_a3/

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