added water mass method 附加水质量方法
added water mass coefficient 船舶附加水体质量系数
added mass of entrained water 附加水质量 ; 附连水质量
Because the added water mass only influence the frequency, but not the free vibration shape, the first four overall vibration shapes have been obtained by dry modality calculation.
由于附连水质量仅影响频率的大小,而对三体船自由振型没有影响,从而由干模态计算得出三体船的前4阶总振型。
参考来源 - 高速三体船的动态特性研究·2,447,543篇论文数据,部分数据来源于NoteExpress
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。
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