BEAM ELEMENT FOR LOCAL BUCKLING ANALYSIS OF STEEL STRUCTURES
Since the nonlinear finite element analysis of a steel structure by shell/solid elements is expensive, effort has been made to conduct the local buckling analysis of a steel structure by beam elements. To this end, the structural deterioration due to local buckling of a steel member is implemented in constitutive relationship. The approach inevitably leads to the constitutive relationship of softening type, which however does not readily yield mesh objective result. The present study proposes a finite element procedure to overcome the problem: in a local-buckling zone, average state variables instead of local state variables are used. The effectiveness of the proposed procedure is verified by solving example problems.
steel structure local buckling beam element mesh objective
E Yamaguchi
Kyushu Institute of Technology, Japan
国际会议
The 9th International Conference on Steel Space & Composite Structures(第九届国际钢材、空间结构、组合结构会议)
烟台·北京
英文
35-41
2007-10-10（万方平台首次上网日期，不代表论文的发表时间）