vibration mode analysis

Vibration mode analysis of high buildings is discussed by using the large general structural analysis software ANSYS, from which the characteristics of free\|vibration are obtained.

运用大型有限元分析软件ANSYS对某高层建筑进行振型分析,得到了该建筑物的自振特性;并采用时程分析法进行非线性地震反应分析,计算输入3种地震波时顶层水平位移时程曲线、顶层加速度时程曲线、水平位移沿楼高的分布曲线以及层间变位角沿楼高的变化曲线。

According to the present Code for Seismic Design of Buildings,for a 27-storybuilding,mode analysis and time historymethod for seismic analysis were carried out by usingANSYS,FEA software.

本文按照现行抗震设计规范，利用三维有限元软件ＡＮＳＹＳ，对某２７层花园大厦的主体建筑进行了振型分析和地震时程反应分析。

Based on the widely adopted simplified model, a new vibration absorption analysis model is established for correctly representing the interaction of suspended floors.

本文在普遍采用的简化模型的基础上,提出了反映悬挂楼层之间相互作用的多段多层悬挂结构减振分析模型。

From a discrete time series derivation is done of two derived quantities for principal oscillation pattern analysis,i.

对离散化场的时间序列，详细推导了主振荡型分析方法的两个导出量：主振荡型（ＰＯＰ）及其伴随相关型（ＡＣＰ）。