Chaotic mixing in a basin due to a sinusoidal wind field

QH Liang, AGL Borthwick*, PH Taylor

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

This paper presents a novel numerical study of wind-induced mixing in a circular shallow lake. The wind-induced hydrodynamic field is first predicted by a Godunov-type shallow water equation solver based on a quadtree grid. Then the horizontal mixing processes are analysed in terms of chaotic advection. The particle dynamics under a sinusoidal wind field are found to change from regular to chaotic states with increasing period of wind oscillation. The numerical approach is applicable to a wide range of environmental flows. Copyright (c) 2005 John Wiley T Sons, Ltd.

Original languageEnglish
Pages (from-to)871-877
Number of pages7
JournalInternational Journal for Numerical Methods in Fluids
Volume47
Issue number8-9
DOIs
Publication statusPublished - 20 Mar 2005

Keywords

  • chaotic advection
  • quadtree grid
  • shallow water equations
  • ADVECTION

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