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A first-order adaptive solution to rapidly spreading flood waves

Lookup NU author(s): Professor Qiuhua Liang

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Abstract

Aiming to provide accurate and efficient solutions to complex flood waves induced by dam breaks and flash floods, this work introduces a structured adaptive grid based model that solves the 2D shallow water equations using a first-order finite volume Godunov-type scheme. The computational grids dynamically evolves according to the local topographic features, moving wet-dry interfaces and other flow features involving sharp surface gradients. The model is validated against two dam-break benchmark tests with experimental data. The effect of the order of numerical accuracy on the numerical results is also assessed and discussed.

Publication metadata

Author(s): Zhang C, Liang QH, Yin JX

Publication type: Article

Publication status: Published

Journal: Progress in Computational Fluid Dynamics

Year: 2013

Volume: 13

Issue: 1

Pages: 1-10

Print publication date: 01/01/2013

ISSN (print): 1468-4349

Publisher: INDERSCIENCE ENTERPRISES LTD

URL: http://dx.doi.org/10.1504/PCFD.2013.050645

DOI: 10.1504/PCFD.2013.050645

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