When a structure vibrates in water, large amount of computation will be unavoidable if the fluid finite element method is used to calculate the added water mass matrix and damping matrix.
当结构在静水中振动时，如采用流体有限元来计算流体的附加质量和附加阻尼，势必导致解题规模过大。
Then the relationship among vibration frequency of the plate in water and that in vacuo and the Nondimensionalized Added Virtual Mass Incremental (NAVMI) is obtain by utilizing Rayleigh method.
进而应用瑞利方法得到了薄板水中振动频率与真空中振动频率、无量纲附加虚质量增量之间的关系。
The experimental study of added mass factor and viscous damping factor for cantilever tube confined in water by concentric tube was conducted in order to verify the result of theoretical analysis.
为了验证理论分析结果，对悬臂管在同心套管包围的水中的附加质量系数和粘滞阻尼进行了实验研究。
The added mass of the ship of Three Gorges project is also computed and the curves of the added mass coefficient via the different water domain are obtained.
本文对三峡工程中的实际船进入承船厢时船的附加质量系数进行了计算。
Next, added mass of cylinder under water is tested and compared with theoretical value with the error less than 5%.
然后测量得该结构水下附加质量，与理论计算值相比，误差在5%之内。
Next, added mass of cylinder under water is tested and compared with theoretical value with the error less than 5%.
然后测量得该结构水下附加质量，与理论计算值相比，误差在5%之内。
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