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Numerical Study of Wave Slamming Forces on Panels in The Splash Zone Based on ALE Method

机译：基于ALE法的飞溅区波倾脉力的数值研究

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In this study, numerical simulations were proposed to predict the wave slamming forces on the subsea equipment bottom panels in the splash zone during installation using the explicit formulation dynamic analysis finite element (LS-DYNA). This approach adopted ALE algorithm to simulate and analyze three-dimensional panels under constant velocity lowering through the splash zone, the penalty function algorithm was applied to realize the simulation of the fluid-structure interaction (FSI) process. A novel method of numerical wave generation by dynamic boundary was applied to simulate the splash zone, the numerical wave tank based on the Keywords of LS-DYNA were developed. The focus lies on effect of wave slamming forces on the panels, the conditions of lowering velocity, mass and stiffness were discussed.
机译：在本研究中，提出了数值模拟，以预测使用明确的配方动态分析有限元（LS-DYNA）在安装过程中在飞溅区域中的海底设备底板上的波浪砰砰声。该方法采用ALE算法模拟和分析三维板在通过飞溅区降低的恒定速度下，应用惩罚功能算法来实现流体结构相互作用（FSI）过程的模拟。应用了通过动态边界产生的数值波的新方法来模拟飞溅区，基于LS-DYNA关键词的数值波箱进行了模拟。孔的焦点在于对板上的波浪陷力效果，讨论了降低速度，质量和刚度的条件。

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