Short Review on Incremental Dynamic Analysis and Fragility Assessment

M. Miari, F. M. Nazri
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引用次数: 1

Abstract

The developments in processing power facilitated the process of modelling by increasing the accuracy of the analysis methods. These developments made it possible to move from elastic static to dynamic elastic and from non-linear static to non-linear dynamic analysis. The latter is based on running several different records separately producing several ‘single-point’ analyses that are mostly used for checking the designed structures. Nowadays, incremental dynamic analysis (IDA) is widely used as a non-linear dynamic analysis method [1-7]. It is a parametric analysis method used to estimate the structural performance under several ground motions and includes the development of one or more curves of a specific damage measure (i.e. drift as a percentage) versus an intensity measure of the ground motion (peak ground acceleration (PGA)).
增量动态分析与脆弱性评价综述
处理能力的发展通过提高分析方法的准确性,促进了建模过程。这些发展使得从弹性静态分析到动态弹性分析,从非线性静态分析到非线性动态分析成为可能。后者是基于运行几个不同的记录,分别产生几个“单点”分析,主要用于检查设计的结构。目前,增量动力分析(IDA)作为一种非线性动力分析方法被广泛应用[1-7]。它是一种参数分析方法,用于估计几种地面运动下的结构性能,包括开发一个或多个特定损伤测量(即漂移百分比)与地面运动强度测量(峰值地面加速度(PGA))的曲线。
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