讨论了忽略振型耦合反应引起的误差。
The errors that might be induced by neglecting the coupling of vibration shape modes have been discussed.
本文通过削边镗杆减振原理的研究对振型耦合原理提出一种新的描述。
This paper represents a new description about vibration coupling principle based on study of damping vibration of cutting side boring bar.
扬声器的驱动元件是边缘固定的圆形PZT 双型弯曲振子，振动——辐射元件是圆锥形纸盆，这两部分之间采用弹性耦合。
The driving system of the speaker is constructed by a circular PZT bimorph, which is clamped on its boundary, An elastical coupling element is utilized between the bimorph and the speaker cone.
非对称双塔连体结构比对称双塔连体结构的扭转振型和耦合振型要多，振型也更为复杂；
The twist and coupled modes of the asymmetry twin-tower connected structures were more complicated than the symmetry ones.
由于箱式浮体结构的低阶固有频率很低，相应的弹性振型的响应与刚体运动耦合，结构在波浪中没有发现明显的低阶弹性模态谐振。
No significant resonance of the low flexible body modes is found due to the coupling of the responses among these modes and the rigid body modes.
特别是发现了耦合振动中横向和纵向振型相互转化的物理现象。
Especially, a physical phenomenon is found that transverse vibration mode shapes and longitudinal vibration mode shapes can transform mutually.
该模型的计算结果表明，立管的模态振型、模态频率与涡激振动响应高度耦合，并且对于低质量比的情况尤为明显。
It shows that the modal shape and mode frequency are highly coupled with the VIV response of a Marine riser with low mass ratio.
该模型的计算结果表明，立管的模态振型、模态频率与涡激振动响应高度耦合，并且对于低质量比的情况尤为明显。
It shows that the modal shape and mode frequency are highly coupled with the VIV response of a Marine riser with low mass ratio.
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