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Title:AN EFFICIENT CURVILINEAR NON-HYDROSTATIC MODEL FOR FREE SURFACE WAVES
DOI No:10.1142/9789812709554_0005
Source:COASTAL ENGINEERING 2006 (pp 49-61)
Author(s):Chin H. Wu
Environmental Fluid Mechanics Lab, Department of Civil and Environmental Engineering, University of Wisconsin-Madison Madison, WI 53706, USA

Doo-Yong Choi
Environmental Fluid Mechanics Lab, Department of Civil and Environmental Engineering, University of Wisconsin-Madison Madison, WI 53706, USA

Hengliang Yuan
Environmental Fluid Mechanics Lab, Department of Civil and Environmental Engineering, University of Wisconsin-Madison Madison, WI 53706, USA

Abstract:A curvilinear non-hydrostatic model based upon the Navier-Stokes equations is developed to simulate wave propagation and transformation. An implicit method with a domain-decomposition strategy is employed. At the top-layer, an integral approach is used to takes the full effects of non-hydrostatic pressure into account. Through a series of numerical experiments, it is demonstrated that the model using a small number of vertical layers is capable of effectively simulating the deep-water and shall-water wave propagation. The model is applied to simulate wave propagation in a gradually converging-diverging and a circular channel. Efficiency and accuracy of the model is discussed.
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