基于状态空间法的分段变截面吊杆张拉力分析
欧阳光,李田军,张江涛,汪劲丰,徐荣桥

Tension analysis of hangers with stepped cross-section based on state space method
Guang OUYANG,Tian-jun LI,Jiang-tao ZHANG,Jing-feng WANG,Rong-qiao XU
表 2 本研究方法计算所得基频与现场实测、有限元分析结果的比较
Tab.2 Comparisons of fundamental frequencies calculated by proposed method with actual measurements and finite element analysis results
吊杆编号 T/kN f0 /Hz fT /Hz fF /Hz
1)注:括号内数据为本研究结果相对实测结果的误差;2)注:括号内数据为本研究结果相对有限元结果的误差
1# 58.8 10.778 11.328(−4.86%)1) 10.708(0.65%)2)
2# 147.0 12.636 13.477(−6.24%) 12.616(0.16%)
3# 333.2 15.069 14.844(1.52%) 15.042(0.18%)
4# 254.8 16.288 15.527(4.90%) 16.287(0.01%)
5# 390.5 21.929 21.582(1.61%) 21.921(0.04%)
6# 174.4 19.490 19.531(−0.21%) 19.503(−0.07%)