用于夹层梁静动力及屈曲分析的新型组合结构单元
林建平,陈昆,潘剑超,王冠楠,冯倩

New composite finite element for static, dynamic and buckling analysis of sandwich composite beams
Jianping LIN,Kun CHEN,Jianchao PAN,Guannan WANG,Qian FENG
表 3 自振频率与屈曲荷载计算结果对比
Tab.3 Comparison of calculation results of natural frequency and buckling load
阶次ω/Hzδ4/%Pcr/kNδ4/%
ABAQUS本研究方法ABAQUS本研究方法
119.12919.2290.521865.41881.20.85
268.90969.5820.986104.56180.91.25
3149.130151.4901.5812885.013096.01.64
4257.370263.4402.3621986.022445.02.09
5390.420403.2203.2833085.033947.02.61