六杆四面体双曲面冷却塔网壳的构形、静力与稳定性能

朱谢联,董石麟

Configuration, static and stability behavior of hyperboloidal cooling tower lattice shell composed of six-bar tetrahedral units

Xie-lian ZHU,Shi-lin DONG

表 2 前20阶线性屈曲模态特征值

Tab.2 First 20 eigenvalues of linear buckling modes

模态阶数 特征值 模态阶数 特征值 1 7.216 11 9.339 2 7.217 12 9.342 3 7.311 13 9.491 4 7.312 14 9.499 5 7.758 15 9.772 6 7.760 16 9.785 7 8.120 17 10.132 8 8.121 18 10.140 9 9.200 19 10.287 10 9.212 20 10.302