The different sizes of 6 kinds of steel shear walls convers 6 kinds of concentrically braces by the sectional area equivalentformula.
为此,本文基于刚度等效的原则,提出了一种带缝钢板剪力墙与人字形中心支撑的刚度替换计算方法。
2
Applying Fourier transform frequency spectrum analysis, the equivalentformula and arithmetic for calculating the dielectric loss at power frequency are deduced.
基于这种变频法思想,结合傅里叶变换频谱分析法推导了介质损耗参数的工频等效计算公式和算法。
3
The equivalent damping ratio and stiffness coefficient of the LED device are studied, and the general equivalentformula of energy dissipation devices is established.