Spectral simulation for the development of vortex arrays in stratified fluids

Xiong He; Jacques Lewalle; Jackson Herring

doi:10.1063/1.858073

Spectral simulation for the development of vortex arrays in stratified fluids

Xiong He, Jacques Lewalle, Jackson Herring

Department of Mechanical & Aerospace Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

The simulation of three-dimensional vortex flows in a density-stratified fluid is based on a generalization of the Boussinesq approximation. The generalization yields a nonhomogeneous term in the continuity equation. The spectral method is applied to the corresponding Navier-Stokes relations and an algebraic system equation is solved numerically with iteration on time. The numerical evolution of vortex arrays shows the effects of the stratification, including a trend toward 2-D motion from 3-D motion and an inhibition in turbulence development.

Original language	English (US)
Pages (from-to)	675-680
Number of pages	6
Journal	Physics of Fluids A
Volume	3
Issue number	4
DOIs	https://doi.org/10.1063/1.858073
State	Published - 1991

ASJC Scopus subject areas

General Engineering

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10.1063/1.858073

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abstract = "The simulation of three-dimensional vortex flows in a density-stratified fluid is based on a generalization of the Boussinesq approximation. The generalization yields a nonhomogeneous term in the continuity equation. The spectral method is applied to the corresponding Navier-Stokes relations and an algebraic system equation is solved numerically with iteration on time. The numerical evolution of vortex arrays shows the effects of the stratification, including a trend toward 2-D motion from 3-D motion and an inhibition in turbulence development.",

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Spectral simulation for the development of vortex arrays in stratified fluids

Abstract

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