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Godunov-type adaptive grid model of wave-current interaction at cuspate beaches

Abstract:

This paper presents a second-order accurate Godunov-type numerical scheme for depth- and period-averaged wave-current interaction. A flux Jacobian is derived for the wave conservation equations and its eigensystem determined, enabling Roe's approximate Riemann solver to be used to evaluate convective fluxes. Dynamically adaptive quadtree grids are used to focus on local hydrodynamic features, where sharp gradients occur in the flow variables. Adaptation criteria based on depth-averaged vortic...

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Publication status:
Published

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Publisher copy:
10.1002/fld.760

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Institution:
University of Oxford
Department:
Oxford, MPLS, Engineering Science, Civil Engineering
Role:
Author
Journal:
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS
Volume:
46
Issue:
6
Pages:
569-606
Publication date:
2004-10-30
DOI:
EISSN:
1097-0363
ISSN:
0271-2091
URN:
uuid:0324c5d8-d01f-477e-bfb0-5221c2d659b6
Source identifiers:
63287
Local pid:
pubs:63287

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