覆冰工况下电力导线非对称疲劳失效的数值模拟分析
白茹, 蔡钢, 张晓敏, 陈文骐, 蒋渝

Numerical Simulation Analysis of Asymmetric Fatigue Failure for Iced Electric Power Transmission Line
BAI Ru, CAI Gang, ZHANG Xiaomin, CHEN Wenqi, JIANG Yu
表2 运行应力和循环次数统计表
Table 2 Statistics of operating stress and cycle time
Operating stress
/MPa
Cycle times
/time
Limit cycle times
/105time
Operating stress/MPa Cycle times
/time
Limit cycle times
/105time
80 72 4550 90 44 7.62
82 68 3176 92 56 5.33
84 56 217 94 60 3.01
86 44 106 96 96 1.11
88 36 12 98 36 1.08