Analysis of the cylinder's movement characteristics after entering water based on CFD

机译：基于CFD进入水后气缸运动特性分析

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It's a variable speed motion after the cylinder vertical entry the water. Using dynamic mesh is mostly unstructured grid, and the calculation results are not ideal and consume huge computing resources. CFD method is used to calculate the resistance of the cylinder at different velocities. Cubic spline interpolation method is used to obtain the resistance at fixed speeds. The finite difference method is used to solve the motion equation, and the acceleration, velocity, displacement and other physical quantities are obtained after the cylinder enters the water.

机译：气缸垂直进入水后，这是一种变速运动。使用动态网格大多是非结构化网格，并且计算结果并不理想和消耗巨大的计算资源。 CFD方法用于计算不同速度下圆柱的电阻。立方样条插值方法用于以固定速度获得电阻。有限差分方法用于解决运动方程，并且在汽缸进入水之后获得加速度，速度，位移和其他物理量。

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《International Conference on Fluid Mechanics and Industrial Applications》|2017年|434p|共5页
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Xianlong Liu;
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Analysis of the cylinder's movement characteristics after entering water based on CFD

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