【摘要】 本文研究了一般非正交阻尼结构在地震地面运动影响下的动力反应分析方法,此方法将复振型地震响应叠加解答中关于余弦函数的杜哈美积分表示为该相应模态地震位移和速度响应的线性组合,并在此基础上讨论了基于复振型的多层结构楼层位移及层间位移反应谱叠加方法。此外,文中还通过算例与数值积分加以比较,结果表明这种方法一般具有较好的精度。更多还原

【Abstract】 A new method for linear systems with non-classical damping under ground motion is proposed in the paper. It is called the superposition method of complex mode response. The Duhamei integral is expressed as the linear combination of both displacement and velocity response spectra. It is the essential point involved in the proposed method. At same time, the superposition of the floor displacement and story drift response spectra is discussed. A numerical example is carried out. The results are shown that the proposed method has good accuracy in general.更多还原