用位移递归法对剪切型框架结构进行时程分析

Probe into Dynamic Time History Analysis of Tall Frame Structure with Displacement Recurrence Method

采用位移递归法 (DRM法 )对高层建筑剪切型框架结构的水平地震作用下的弹性和弹塑性时程分析的可行性进行了探讨 ;并通过算例与数值方法Wilson -θ法作了比较并得出了可行的结论 ;

In this paper,firstly,shear frame structure mechanics models and elasticplasic restoring force models are analysed,and vibration defferentical equations are modelled;Secondly,the synthesis and selecting of artificially generated earthquake recorrds are analysed;Thirdly,the numerical methods in time history analysis and vibration shape resolve response spectrum mthod,and bottom shear force method are analysed;and comparison of the result obtained from DRM method and Wilson-θ method with the accurate result is performed;Finally,in the examples,DRM method and Wilson-θ method are used respectirely under the conditions of 70Gal and 400Gal to make elastic and elasticplastic time history analysis,and compared with the result of vibration shape resolve response spectrum method and bottom shear force method