Thermal post-buckling analysis of functionally graded panels in hypersonic airflows

被引：0
|
作者：
Kim, Sun-Bae [1 ]
Kim, Ji-Hwan [2 ]
机构：
[1] Seoul Natl Univ, Sch Mech & Aerosp Engn, San 56-1, Seoul 151742, South Korea
[2] Seoul Natl Univ, Inst Adv Aerosp Technol, Sch Mech & Aerosp Engn, Seoul 151742, South Korea
来源：
MULTI-FUNCTIONAL MATERIALS AND STRUCTURES, PTS 1 AND 2 | 2008年 / 47-50卷
关键词：
Functionally Graded Materials (FGMs); post-buckling and hypersonic airflows;
D O I：
10.4028/www.scientific.net/AMR.47-50.387
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study, thermal post-buckling characteristics of functionally graded (FG) panels in hypersonic airflows are investigated. The volume fraction and the material properties of FGMs are continuously changed from ceramic to metal in the thickness direction agreeably to a simple power law distribution and a linear rule of mixture, respectively. Using the principle of virtual work, the governing equations are derived and the finite element method is applied to obtain the solutions. Based on the first-order shear deformation theory (FSDT), the FG panels are modeled by the von Karman strain-displacement relation for the structural non-linearity. Also, the third-order piston theory is employed to consider the aerodynamic non-linearity.
引用
收藏
页码：387 / +
页数：2
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