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Chaotic mixing in a basin due to a sinusoidal wind field

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 wid...

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Publication status:
Published

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Publisher copy:
10.1002/fld.880

Authors


Borthwick, AGL More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Engineering Science, Civil Engineering
Journal:
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS
Volume:
47
Issue:
8-9
Pages:
871-877
Publication date:
2005-03-20
DOI:
EISSN:
1097-0363
ISSN:
0271-2091
URN:
uuid:ebd0a6ef-b4d0-49c6-9391-2c2705d17bd3
Source identifiers:
63250
Local pid:
pubs:63250

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