虚拟随机激励法及其应用研究

Pseudo-excitation algorithm and application

简述了常用的地震验算方法,通过对虚拟随机激励法的介绍,建立了动力计算模型,并对斜靠式拱桥随机振动进行了分析,指出虚拟激励法求解结构动力响应,概念明确,方法简单。

The paper indicates the common seismic calculation method, establishes the dynamic calculation model according to the introduction of the pseudo-excitation method, analyzes the random vibration of the leaning arch bridge, and points out the concept is identified and its meth-ods are simple by solving the structural dynamic response with the pseudo excitation method.