Spectral simulation for the development of vortex arrays in stratified fluids

Xiong He, Jacques Lewalle, Jackson Herring

Research output: Contribution to journalArticle

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 languageEnglish (US)
Pages (from-to)675-680
Number of pages6
JournalPhysics of Fluids A
Volume3
Issue number4
DOIs
StatePublished - Jan 1 1991

ASJC Scopus subject areas

  • Engineering(all)

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