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首页> 外文期刊>Ocean Engineering >An improved SPH model for turbulent hydrodynamics of a 2D oscillating water chamber
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An improved SPH model for turbulent hydrodynamics of a 2D oscillating water chamber

机译：二维振荡水室湍流动力学的改进SPH模型

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An improved smoothed particle hydrodynamic (SPH) model is developed to study the complex hydrodynamic behaviour of an onshore oscillating water chamber. The improvements include adding a diffusive term to the continuity equation and incorporating the corrective smoothed particle method (CSPM). A modified boundary condition is implemented to better simulate the pressure field near the solid boundary. The SPH model is first verified by comparing the numerical results with analytical solutions and the available experimental data. The verified model is then applied to study the hydrodynamic behaviour of an onshore oscillating water chamber. The free surface elevations inside the water chamber and the total forces acting on the front wall of the water chamber are studied for different wave conditions. The turbulence energy distribution and the sloshing phenomenon in the water chamber are also investigated.
机译：建立了改进的平滑粒子水动力模型，以研究陆上振荡水室的复杂水动力行为。改进之处包括向连续性方程添加一个扩散项，并合并了校正平滑粒子方法（CSPM）。修改后的边界条件可以更好地模拟固体边界附近的压力场。首先通过将数值结果与解析解和可用的实验数据进行比较来验证SPH模型。然后将验证的模型应用于研究陆上振荡水室的水动力行为。研究了在不同的波浪条件下水室内的自由表面高度和作用在水室内壁上的总力。还研究了水室内的湍流能量分布和晃荡现象。

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