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Regular and irregular wave impacts on floating body

机译：规则和不规则波浪对漂浮体的影响

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摘要

Fully nonlinear wave-body interactions for a stationary floating structure under regular and irregular waves for different water depths, wave heights and periods are studied in a 2-D numerical wave tank. The tank model is based on Reynolds-averaged Navier-Stokes equations and renormalization group k-e model. The equations are discretized based on the finite volume method. The pressure implicit splitting of operators scheme is employed to treat the pressure-velocity coupling and a compressive interface capturing scheme is used to capture the free surface on mashes of arbitrary topology. The calculated results for regular wave simulation, irregular wave propagation and wave impacts on floating body are compared with the theoretical/experimental data and the numerical results agree well with analytical/ experimental solutions. The mean and maximum wave impacts, including rotational moment, on body are obtained. The effects of water depth, wave height and period on forces and moment have been investigated and the calculated results for irregular waves are compared with those induced by regular waves.
机译：在二维数值水箱中研究了不同水深，波高和周期的规则和不规则波下的固定浮式结构的完全非线性波体相互作用。坦克模型基于雷诺平均Navier-Stokes方程和归一化群k-e模型。方程基于有限体积法离散化。使用算子的压力隐式分裂方案来处理压力-速度耦合，并使用压缩界面捕获方案来捕获任意拓扑的上的自由表面。将规则波模拟，不规则波传播以及波对浮体的冲击的计算结果与理论/实验数据进行了比较，数值结果与解析/实验解非常吻合。获得了平均和最大波浪冲击，包括旋转力矩对人体的影响。研究了水深，波浪高度和周期对力和力矩的影响，并将不规则波浪的计算结果与规则波浪引起的结果进行了比较。

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