An approximate method for analyzing seismic response of non-proportionally damped base isolated structures in time domain is derived by combining real mode superposition and Laplace transform method.
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- 采用子結構瑞利阻尼模型表達隔震體系的非比例阻尼矩陣,將實(shí)振型分解法與拉普拉斯變換方法聯(lián)合應用,建立了任意多自由度非比例阻尼隔震體系時(shí)域動(dòng)力響應的工程算法。
