改进的Ritz法在高层结构非线性动力分析中的应用

Application of Modified Ritz Vector Superposition Method to Nonlinear Seismic Response of Tall Building Structures

建立了用改进的Ｒｉｔｚ向量叠加法计算高层结构非线性地震反应的计算原则与步骤，通过与常规直接积分法的比较研究，验证了本文方法的高效性与可行性．

The calculation principles and the calculation steps of nonlinear seismic response analysis of tall building structures by using the modified Ritz vectors superposition method have been set up,the comparsion between the proposed method and the common direct integrate method is made by numerical examples,the effectivelity and possibility of the proposed method is presented.