A refined model for thermoelastic analysis of initially curved and twisted composite beams

被引：7

作者：

Wang, Qi ^{[1
]}

Yu, Wenbin ^{[1
]}

机构：

[1] Utah State Univ, Dept Mech & Aerosp Engn, Logan, UT 80322 USA

来源：

ENGINEERING STRUCTURES | 2013年 / 48卷

关键词：

Variational asymptotic method; Curved/twisted beam; Finite element method; Thermoelasticity; Refined beam model; VABS; SANDWICH BEAMS; STRESSES; SHEAR;

D O I：

10.1016/j.engstruct.2012.09.007

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This paper deals with steady state thermoelastic problems in beam structures using the variational asymptotic method. First, we simplify the original three-dimensional heat conduction problem into a two-dimensional thermal cross-sectional analysis along with an optional one-dimensional heat conduction analysis. The refinements up to the second order of the initial curvatures and twist are captured in the model. Having obtained the temperature field, we then construct a generalized Timoshenko model for the one-way coupled thermoelastic analysis. Several examples will be used to demonstrate the application and performance of the present model. The results will be compared with three-dimensional thermoelastic analysis using ANSYS. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：233 / 244

页数：12

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