摘要
本文提出了用位移传递函数的模识别模态参数的一种频域方法。用此方法对钢筋混凝土电力厂主厂房的框架结构进行了模态参数识别,并与实际激振试验测试结果进行了比较,相对误差小于2%,完全可以满足工程实际的要求。
The method of frequency domain is put forward to identify the modal parameters of linear vibration system by using displacement transfer func- tion,The modal parameter identification is carried out for a power plant building of reinforced concrete framework,and the obtained results are com- pared with the excited vibration test,the relative error is smaller than 2%.
基金
山西省自然科学基金资助课题
关键词
框架结构
模态参数
位移传递函数
framework structure
modal parameter
displacement transfer function
reinforced concrete
excited vibration testing
