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Shallow flow simulation on dynamically adaptive cut cell quadtree grids

Abstract:

A computationally efficient, high-resolution numerical model of shallow flow hydrodynamics is described, based on dynamically adaptive quadtree grids. The numerical model solves the two-dimensional non-linear shallow water equations by means of an explicit second-order MUSCL-Hancock Godunov-type finite volume scheme. Interface fluxes are evaluated using an HLLC approximate Riemann solver. Cartesian cut cells are used to improve the fit to curved boundaries. A ghost-cell immersed boundary meth...

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Publication status:
Published

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Publisher copy:
10.1002/fld.1363

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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:
53
Issue:
12
Pages:
1777-1799
Publication date:
2007-04-30
DOI:
EISSN:
1097-0363
ISSN:
0271-2091
URN:
uuid:6556bdb5-8c46-4f4e-98be-381f4d2e72b2
Source identifiers:
63515
Local pid:
pubs:63515

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