Post-buckling behavior of a fixed arch for variable geometry structures

被引：11
|
作者：
Cai, Jianguo [1 ,2 ]
Zhou, Ya [2 ]
Feng, Jian [1 ,2 ]
机构：
[1] Southeast Univ, Minist Educ, Key Lab C&PC Struct, Nanjing 210096, Jiangsu, Peoples R China
[2] Southeast Univ, Natl Prestress Engn Res Ctr, Nanjing 210096, Jiangsu, Peoples R China
来源：
MECHANICS RESEARCH COMMUNICATIONS | 2013年 / 52卷
基金：
中国国家自然科学基金;
关键词：
Buckling; Arches; Variable geometry trusses; Bistable struts; Elasticity; CENTRAL CONCENTRATED LOAD; SHALLOW ARCHES; INPLANE STABILITY; MANIPULATORS;
D O I：
10.1016/j.mechrescom.2013.07.002
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The behavior of a bistable strut for variable geometry structures was investigated in this paper. A fixed shallow arch subjected to a central concentrated load was used to study the equilibrium path of the bistable strut. Based on a nonlinear strain-displacement relationship, the critical loads for both the symmetric snap-through and asymmetric bifurcation buckling modes were obtained. Moreover, the principal of virtual work was also used to establish the post-buckling differential equilibrium equations of the arch in the horizontal and vertical directions. Therefore, the whole mechanical behavior before and after the buckling affixed arches is investigated. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：74 / 80
页数：7
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