Buckling of non-uniformly heated isotropic beam: Experimental and theoretical investigations

被引：22

作者：

George, Nivish ^{[1
]}

Jeyaraj, P. ^{[1
]}

Murigendrappa, S. M. ^{[1
]}

机构：

[1] Natl Inst Technol Karnataka, Dept Mech Engn, Mangalore 575025, India

来源：

THIN-WALLED STRUCTURES | 2016年 / 108卷

关键词：

Non-uniform heating; Thermal buckling experiment; Non-linear FEA; Metal beam; LAMINATED COMPOSITE BEAMS; TEMPERATURE DISTRIBUTION; FINITE-ELEMENT; BEHAVIOR; PLATE;

D O I：

10.1016/j.tws.2016.08.019

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Influence of non-uniform heating on critical buckling temperature of an aluminium beam has been investigated experimentally with the help of a novel experimental set-up developed in-house. Non-linear finite element analysis, considering the initial geometric imperfection, has been carried out to compare the experimentally obtained typical load-deflection curve. The linear critical buckling temperature predicted numerically are validated with analytical solutions. Experimental results revealed that critical buckling temperature of the non-uniformly heated beam greatly differs from the uniformly heated beam. It is also observed that the location of heat source and resulting non-uniform temperature variation influences the critical buckling temperature significantly. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：245 / 255

页数：11

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