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

被引:6
|
作者
Wang, Qi [1 ]
Yu, Wenbin [1 ]
机构
[1] Utah State Univ, Dept Mech & Aerosp Engn, Logan, UT 80322 USA
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
收藏
页码:233 / 244
页数:12
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