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该文基于高阶谱方法,通过引入造波边界和水底边界条件,建立了能够模拟波浪在不规则地形上传播的完全非线性数值计算模型。对典型的二维波浪bragg反射和波浪在潜堤上传播进行了数值模拟,数值计算结果表明该模型能够很好地模拟波浪的产生、传播及与不规则地形的作用,验证了所建立的数值计算模型模拟波浪在不规则地形上传播的有效性。
Based on the high-order spectral method, a completely nonlinear numerical model is established to simulate the wave propagation on an irregular terrain by introducing the boundary conditions of wave making and underwater. The typical two-dimensional wave bragg reflections and the wave propagation on the submerged embankment are numerically simulated. The numerical results show that the model can well simulate the wave generation and propagation and the interaction with the irregular terrain. The established numerical values The computational model simulates the effectiveness of waves propagating on irregular terrains.