A first-order adaptive solution to rapidly spreading flood waves
by Chi Zhang; Qiuhua Liang; Junxian Yin
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 13, No. 1, 2013

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.

Online publication date: Wed, 30-Oct-2013

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