深圳大学学报（理工版）2018，Vol.35Issue(2)：128-131,4.DOI:10.3724/SP.J.1249.2018.02128
过滤白噪声地震动模型的CQC振型相关系数计算
Calculation of CQC mode correlation coefficients under filtered white noise model of earthquake ground motion
摘要
Abstract
When filtered white noise is used to model ground motion, the computation of complete quadratic combination (CQC) modal correlation coefficients by integration of rational function becomes difficult, and the closed-form formulas become tedious and impractical. We propose a new method to obtain modal correlation coefficients by transforming transfer function model into state space model and then by solving a Lyapunov equation. This method can be extended to the situation where filtered white noise ground motion models are used. Kanai/Tajimi model is used to verify the correctness of the proposed method. It is not only concise,reliable and numerical efficient but also can avoid solving tedious closed-form formulas of integration of rational functions.关键词
工程抗震/振型相关系数/完全二次型组合/振型分解反应谱法/Lyapunov方程/过滤白噪声Key words
seismic engineering/modal correlation coefficient/complete quadratic combination/mode-superposi-tion response spectrum analysis/Lyapunov equation/filtered white noise分类
建筑与水利引用本文复制引用
王刚,周晓青..过滤白噪声地震动模型的CQC振型相关系数计算[J].深圳大学学报（理工版）,2018,35(2):128-131,4.基金项目
国家自然科学基金资助项目(51678364)National Natural Science Foundation of China(51678364) （51678364）
