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《The Ocean Engineering》 2015-02
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Numerical simulation of wave transformation and overtopping based on non-hydrostatic model

ZHANG Na;ZOU Guoliang;School of Civil Engineering,Tianjin Chengjian University;Nanjing Hydraulic Research Institute;  
A wave overtopping numerical model is developed based on the non-linear shallow water equations with non-hydrostatic pressure to reasonably determine the overtopping discharge of the seawall. Wave transformation and wave overtopping discharge on the slope under regular wave and irregular wave are simulated by using internal source generation of waves,wave damping absorber and wave breaking model with hydrostatic front approximation. The results from numerical simulations are compared with physical model data. Good agreement shows that the non-hydrostatic model can reasonably describe the wave breaking location,breaking wave height,wave set-up and wave overtopping discharge. It can be concluded that the non-hydrostatic wave model can provide a new numerical method for practical engineering research of seawall protection with high accuracy and computational efficiency.
【Fund】: 天津市自然科学基金资助(14JCYBJC22100);; 天津市建交委科技计划项目(2013-8);; 国家级大学生创新训练计划项目(201310792017)
【CateGory Index】: P731.2;P751
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