Passive scalar dynamics in turbulent wakes of bodies moving in a linearly stratified medium

Черных, Г. Г.; Fomina, A. V.; Moshkin, N. P.

doi:10.1163/156939805775186695

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Solution Algorithm For the Problem1

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2006

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“…The computational algorithm has been extensively described in [8]. From differential equations (1.4), (1.18)-(1.20) and algebraic relations (1.6), (1.10)-(1.15) using implicit splitting method over the spatial variables we successively define the grid functions ρ 1 Variables computed at a particular stage of the algorithm participate in determining the unknowns at the subsequent stages.…”

Section: Solution Algorithm For the Problemmentioning

confidence: 99%

Numerical models of turbulent wake dynamics behind a towed body in a linearly stratified medium

Черных

Fomina

Moshkin

2006

Russian Journal of Numerical Analysis and Mathematical Modelling

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To describe the far turbulent wake flow behind a towed body in a linearly stratified medium we use an hierarchy of semi-empirical turbulent models. The most complex model comprises differential equations for transport of normal Reynolds stresses. We give computational results demonstrating far turbulent wake dynamics both in a passively and actively stratified medium as compared to far momentumless turbulent wake dynamics. We numerically simulate the anisotropic decay of turbulence in a far wake behind a towed body. We give computational results of turbulent wake characteristics for large decay periods.

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Section: Solution Algorithm For the Problemmentioning

confidence: 99%