Stability of shear deformable thin-walled space frames and circular arches

被引：28

作者：

Chang, SP ^{[1
]}

Kin, SB ^{[1
]}

Kim, MY ^{[1
]}

机构：

[1] SUNGKYUNKWAN UNIV, DEPT CIVIL ENGN, JANGAN KU, SUWON 440746, SOUTH KOREA

来源：

JOURNAL OF ENGINEERING MECHANICS-ASCE | 1996年 / 122卷 / 09期

关键词：

D O I：

10.1061/(ASCE)0733-9399(1996)122:9(844)

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

A consistent finite-element formulation is presented in order to analyze the spatial stability of shear deformable thin-walled space frames and circular arches. The displacement field of unsymmetric thin-walled cross sections is introduced based on the inclusion of second-order terms of Rodriguez's finite rotations, and the potential energy corresponding to the semitangential moments is consistently derived. For finite-element analysis, cubic Hermitian polynomials including shear deformation effects due to flexural and restrained warping shear stress are utilized as shape functions. Load correction stiffness matrices for the different types of moments and off-axis loadings are taken into account. For spatial buckling behaviors of space frames and circular arches, finite-element solutions using the two-noded straight frame element are presented and compared with the analytical solutions and the results in the literature.

引用

页码：844 / 854

页数：11

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