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Nonlinear thermo-structural behavior of sandwich panels with truss cores under through-thickness gradient temperature field
袁武,宋宏伟,黄晨光
2018-05-15
发表期刊Theoretical and Applied Mechanics Letters
卷号8期号:3页码:184-192
ISSN2095-0349
摘要A theoretical analysis is presented to predict the nonlinear thermo-structural response of metallic sandwich panels with truss cores under through-thickness gradient temperature field, which is a common service condition for metallic thermal protection system (TPS). The in-plane temperature distribution is assumed to be uniform, and through-thickness temperature field is determined by heat conduction. Two typical conditions are analyzed: nonlinear thermal bending in fixed inside surface temperature, and thermal post-buckling in fixed temperature difference between two surfaces. Temperature-dependent mechanical properties are considered, and gradient shear stiffness and bending stiffness due to non-uniform temperature is included. Results indicate that the temperature-dependent material properties obviously affect bending resistance; however, the effect is negligible on post-buckling behavior. Influences of geometric parameters on the thermo-structural behavior of the sandwich panel according to the present theoretical model are discussed.
关键词Sandwich panel with truss core Thermal protection system Thermo-structural response Nonlinear bending Post-buckling
收录类别CSCD
语种英语
项目资助者support from the National Natural Science Foundation of China,the Defense Industrial Technology Development Program of China
CSCD记录号CSCD:6277624
论文分区二类
力学所作者排名1
引用统计
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77730
专题流固耦合系统力学重点实验室
作者单位1.Institute of Mechanics, Chinese Academy of Sciences
2.School of Engineering Science, University of Chinese Academy of Sciences
推荐引用方式
GB/T 7714
袁武,宋宏伟,黄晨光. Nonlinear thermo-structural behavior of sandwich panels with truss cores under through-thickness gradient temperature field[J]. Theoretical and Applied Mechanics Letters,2018,8(3):184-192.
APA 袁武,宋宏伟,黄晨光.(2018).Nonlinear thermo-structural behavior of sandwich panels with truss cores under through-thickness gradient temperature field.Theoretical and Applied Mechanics Letters,8(3),184-192.
MLA 袁武,宋宏伟,黄晨光."Nonlinear thermo-structural behavior of sandwich panels with truss cores under through-thickness gradient temperature field".Theoretical and Applied Mechanics Letters 8.3(2018):184-192.
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