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Critical-spindle-speed
- 主轴有限元分析临界转速及刚度、阻尼与模态振型。-Finite Element Analysis Critical spindle speed and stiffness, damping and mode shapes.
ITD
- itd,一种时域模态参数识别方法,可以得到结构频率,阻尼比,振型,可直接使用,不需更改-A time domain modal parameter identification, can be measured data get the structure frequency and damping ratio and mode shapes