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GENETIC ALGORITHM FOR A CRACK IDENTIFICATION IN FRAME STRUCTURES
Author(s): 
Pages: 79-84
Year: Issue:  1
Journal: ACTA MECHANICA SOLIDA SINICA

Keyword:  裂纹频率识别遗传算法;
Abstract: 给出含单个裂纹结构的动力有限元方程,根据结构前5阶频率的变化,来识别裂纹的位置和深度.将识别转化为多峰值的全局优化问题,给出遗传算法解此识别的运算步骤.以结构含单一裂纹的两个算例,作裂纹识别的数值试验,计算结果表明此方法是可行的,对裂纹参数的识别有较好的精度和可靠性.
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