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1)  vibration mechanism
振动机理
1.
A Study on Vibration Mechanism and Measures for Vibration Reducing to the Handle of Cultivator by Virtual Prototype Technology;
耕整机扶手架振动机理及减振措施的虚拟研究
2.
The reason of vibration due to weak stiffness of foundation of rotary machinery is analyzed from vibration mechanism.
振动机理深入地分析了旋转机械基础刚度差造成的振动原因,得到了用于频谱分析诊断的典型故障特征:振动频率为工频,振动时域波形为正弦波;垂直方向振动速度异常。
3.
The vibration mechanism of tubular air heater is analyzed, the measures for refurbishment and design of air heater is put forward.
详细分析了管式空气预热器的振动机理,并从改造和设计两方面提出消除振动的措施。
2)  vibrational mechanism
轴振动机理
3)  vibratory mechanism
振动机械[机理]
4)  vibration sorting mechanism
振动选形机理
5)  vibrating loosening principle
振动松散机理
6)  flutter-driving mechanism
颤振驱动机理
1.
The research results,which include the investigation of the aerodynamic performance,flutter-driving mechanism and flutter modality of the basic section and corresponding sections with central stabilizers of different height,indicate that central stabilizer can improve the.
通过对基本断面和四种不同高度稳定板断面的颤振性能、颤振驱动机理和颤振形态变化规律的研究表明,当稳定板高度恰当时,中央稳定板的设置能够有效地改善结构的颤振稳定性能。
2.
Based on the analytical method (2d-3DOF method) for two-dimensional three degrees of freedom coupling flutter, the flutter-driving mechanism and flutter modality of the classical coupled bending-torsional flutter phenomenon about thin plate sections were investigated.
基于二维三自由度耦合颤振分析方法,对平板断面经典扭弯耦合颤振的颤振驱动机理和颤振形态进行了深入研究。
补充资料:点振子振动和点电极振子振动
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性质:又称点振子振动和点电极振子振动。振动能量绝大部分集中在点电极范围内,形成“能量封闭”的振动模式。振子电极面远小于压电陶瓷片的总面积,且与厚度有适宜的匹配关系。在交变电场作用下,沿厚度方向产生振动,其振幅随着至电极中心距离的增加,呈指数式衰减。谐振频率与压电陶瓷片的厚度有关。为提高频率通常将压电陶瓷片磨得很薄,有时考虑到压电陶瓷自身强度太低,可用特制的陶瓷片作垫片来防止压电陶瓷片损坏。常用于高频场合。

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