通过结构振型参与系数量化了各个结构的高阶振型的影响。
By modal participation factor, the influence of higher modes is quantified.
通过结构振型参与系数量化了各个结构的高阶振型的影响。
By modal participation factors, the influence of higher modes is quantified.
为了选取大跨屋盖结构脉动风振响应的主导振型，提出了振型能量参与系数及其累积参与系数的计算方法。
The mode energy participation factor and the cumulated factor are presented in order to identify the dominant modes of fluctuating wind-induced response for a large-span roof.
研究结果表明：高层建筑结构抗震设计中高振型的影响不容忽视，在底部剪力和顶端位移误差小于5%的情况下，累计质量参与系数应大于90%；
The decision principle of mode number is: when the error of base shear and top displacement are both below 5%, the sum of modal participating mass ratio should exceed 90%;
研究结果表明：高层建筑结构抗震设计中高振型的影响不容忽视，在底部剪力和顶端位移误差小于5%的情况下，累计质量参与系数应大于90%；
The decision principle of mode number is: when the error of base shear and top displacement are both below 5%, the sum of modal participating mass ratio should exceed 90%;
应用推荐