介绍了基于频率变化平方比的损伤定位方法。
A method for damage positioning is developed on the basis of testing the variation ratio of squared frequency.
结果表明，结构频率的平方变化比是损伤位置和损伤程度的函数。
It was proved that frequency change square ratio was a parameter for damage location and damage degree in a structure.
推导了基于测试频率平方变化比的损伤定位方法，利用有限元方法对一管道结构以刚度折减法进行了损伤模拟和模态分析数值计算。
A methodology was put forward for damage location, and damage simulating as well as numerical calculation of modal analysis was carried out on a truss plane bridge by stiffness discount.
推导了基于测试频率平方变化比的损伤定位方法，利用有限元方法对一管道结构以刚度折减法进行了损伤模拟和模态分析数值计算。
A methodology was put forward for damage location, and damage simulating as well as numerical calculation of modal analysis was carried out on a truss plane bridge by stiffness discount.
应用推荐