1) rain-wind induced vibration
雨振
1.
In these cases, rain-wind induced vibration of stay cables has become a matter of great c.
其中,斜拉索雨振因为振幅大、发振风速低而引起了国内外桥梁工程界的普遍重视。
2) Wind rain induced vibration
风雨振
1.
Large amplitude vibration, in particularly wind rain induced vibration on cable stayed bridges can be considered today as one of the most critical problems for this type of bridges.
随着大跨径斜拉桥的不断建设 ,斜拉索的减振特别是风雨振的控制已成为该类桥梁急需解决的关键问题之一。
3) rain-wind induced vibration
风雨振
1.
Experimental study on movement of water rivulet on cable surface in rain-wind induced vibration of stay-cables;
斜拉桥斜拉索风雨振时索表面水线摆动作用及规律的试验研究
2.
The tangential movement of water rivulet has significant effects on the rain-wind induced vibration of stay-cables.
风雨环境中斜拉索表面形成的水线及其周向摆动在索的风雨振中起着关键的作用。
3.
A preliminary characterization of rain-wind induced vibrations was presented from an ongoing analysis of vibration records obtained from a long-term field measurement program at the Dongting Lake Bridge in Yueyang,Hunan Province,Displacement time history have been generated by least square trigonometric approximation of recorded accelerations and the analysis dynamical equations of stay cables.
通过对岳阳洞庭湖大桥拉索风雨振进行了现场实测所获得的拉索振动的加速度时程记录及实时的风场与雨量记录。
4) wind-rain induced vibration
风雨振
1.
On-site observation of wind-rain induced vibration of stay cables and its control;
斜拉索风雨振现场观测与振动控制
2.
In order to investigate the excitation mechanism and response characteristics of wind-rain induced vibration of stay cable,an instrumentation system of wind-rain induced vibration measurement,which consists of anemometer,rain gauge and accelerometer,was installed on the Dongting Lake Bridge,Yueyang,China.
为了研究斜拉桥拉索风雨振的机理及响应特征,在岳阳洞庭湖大桥建立了由风速仪、雨量计、加速度传感器组成的风雨振现场观测系统,观测到了多次拉索风雨振现象;得到了发生拉索风雨振时风速、风向及雨量的基本条件,分析了风雨振时拉索振动的幅值、主振频率、模态参与特性及空气动力负阻尼比等响应特征。
5) wind-rain-induced vibration
风雨振动
1.
A single degree of freedom wind-rain-induced vibration analytical model of a piece of cable is formed based on simplifying the influence of upper rivulet on model vertical movement to the variety of quasi steady air force with the change of system state,another two degree of freedom analytical mode is acquired after introducing the coupled effect of upper rivulet.
将上水路对斜拉索竖向振动的影响简化为拟定常气动力随其运动状态的变化,建立了斜拉索风雨振动单自由度分析模型;同时考虑上水路运动的耦合作用后,即发展成为二自由度分析模型。
6) rain-wind induced vibration
风雨振动
1.
This study attempts to clarify mechanism of a secondary axial flow in rain-wind induced vibration of the stay cables in cable stayed bridge.
对斜拉桥拉索风雨振动中二次轴向流的产生及作用机理进行分析。
2.
The experiment results demonstrate that the new setup is effective for rain-wind induced vibration test of state cables.
提出了一个新的斜拉桥拉索风雨振动试验装置。
参考词条
补充资料：点振子振动和点电极振子振动
分子式：
CAS号：
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。
CAS号：
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。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。