刘书智. 两个自由度的单质点体系自振频率及振型计算[J]. 力学与实践, 2010, 32(3): 120-121. DOI: 10.6052/1000-0879-2009-277
引用本文: 刘书智. 两个自由度的单质点体系自振频率及振型计算[J]. 力学与实践, 2010, 32(3): 120-121. DOI: 10.6052/1000-0879-2009-277
LIU Shuzhi. Calculation of natural frequency and vibration mode shape about single particle with two degree of freedom[J]. MECHANICS IN ENGINEERING, 2010, 32(3): 120-121. DOI: 10.6052/1000-0879-2009-277
Citation: LIU Shuzhi. Calculation of natural frequency and vibration mode shape about single particle with two degree of freedom[J]. MECHANICS IN ENGINEERING, 2010, 32(3): 120-121. DOI: 10.6052/1000-0879-2009-277

两个自由度的单质点体系自振频率及振型计算

Calculation of natural frequency and vibration mode shape about single particle with two degree of freedom

  • 摘要: 对于具有两个自由度的单质点体系自由振动,先假定一个振动方向,求出该振动方向的柔度系数,对柔度系数求极值,满足柔度极大值的方向即是第1振型方向,由振型正交性原理可确定第2振型. 由此将两个自由度体系的计算变成了单自由度体系的计算,根据求出的柔度系数,可方便地求出自振频率.

     

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