确定建筑结构缺陷位置的一种方法

A lately method for defining the position of the building structure defect

用稳态弹性动力学的边界单元法和优化技术,讨论了确定结构内部缺陷位置的反分析问题.假设结构构件内含有缺陷,以结构自振频率作为补充信息,用优化技术处理确定其位置,给出了具体的计算公式,编制了相应的计算程序,成功地分析了平面问题的算例,验证了研究方法的有效性和程序的正确性.

By means of a boundary unit method and optimization technique of the steady elastodynamics,an anti?analytical problem of defining the position of structure inner defect is discussed.Supposing there be a defect in the structure unit,its position can be defined by using optimization technique,which is supplemented by structure natural frequency of vibration.Specific calculation formula is offerred and the corresponding program is designed which are successfully used to analyze the plane problems.It proves that the method is effective and the program is correct.