The stiffness of the local spring is deduced by fracture mechanics, then the relations between the vibrational power flow and the position and the characteristic size of the damage are obtained…
研究了梁在集中载荷作用下的弯曲波运动以及振动功率流的输入和传播 ，分析了振动功率流与破损位置及其特征尺寸的关系。
The stiffness of the local spring is deduced by fracture mechanics, then the relations between the vibrational power flow and the position and the characteristic size of the damage are obtained…
研究了梁在集中载荷作用下的弯曲波运动以及振动功率流的输入和传播 ，分析了振动功率流与破损位置及其特征尺寸的关系。
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