摘要
利用大型有限元分析软件ＡＮＳＹＳ程序对石油、化学工业中的变截面塔一阶自振频率计算公式的适用范围进行了探讨和分析。
The applicable limits of formula to the fundamental natural frequency of compute variable cross-section tower used in petroleum and chemical industry was investigated by means of ANSYS finite element program.
关键词
变截面
塔
自振频率
variable cross-section
tower
natural frequency
