...结构中的阻尼和阻尼矩阵的构造 6.7 静力修正方法(Static Correction Procedure) 6.8 振型加速度法(Mode Acceleration Method) 多自由度体系 前面讨论了单自由度体系,它的运动仅需一个运 动方程来描述,求解这个运动方程,就可以得 到单自由度体系的位移、...
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从多维地震动输入下的结构三维振动方程出发,给出了结构多维随机振动的振型位移法和振型加速度法。
From the equation of three-dimensional vibration of structures, the methods of multi-dimensional random mode displacement and mode acceleration have been put forward.
最后利用基于加速度响应的ITD法识别结构的模态参数:频率和振型等。
At last, ITD method based on free acceleration response is used to identify mode parameters, frequencies and modal.
本文对确定小尺寸模型机翼自振型的砂粒加速度法进行了技术小结。
The experimental technique of the acceleration method of using grains of sand as accelerometers is presented. The method is particularly suited for measuring mode shapes of small wing models.
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