By solving recurrenceequation of stochastic finite element, the duration curve of mean value and standard deviation of seismic response can be obtained for every floor of frame shear structure.
通过求解随机有限元的递推方程，得到框剪结构各层的地震动力响应均值和标准差历时曲线。
2
This paper derives the recurrence formula of the node voltage equation.
本文导出了节。点电压方程的递推公式。
3
Based on the dynamic equation of the seismic energy accumulation, a method for estimating the strong earthquake recurrence period by the fractal principle has been deduced in this paper.