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首页> 外文期刊>Journal of the Aeronautical Society of India >THERMO-ELASTIC STABILITY CHARACTERISTICS OF LAMINATED NON-CIRCULAR CYLINDRICAL SHELLS USING HIGHER ORDER THEORY
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THERMO-ELASTIC STABILITY CHARACTERISTICS OF LAMINATED NON-CIRCULAR CYLINDRICAL SHELLS USING HIGHER ORDER THEORY

机译：基于高阶理论的层合非圆圆柱壳的热弹性稳定性特征

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摘要

In this paper, thermo-elastic stability characteristics of laminated noncircular cylindrical shells subjected to uniform temperature rise are studied using higher order kinematics which accounts for the transverse shear and transverse normal deformations, and incorporates realistic through the thickness approximations of the in-plane displacements. The governing equations obtained through the minimization of total potential energy are solved using finite element approach. The strain-displacement relations are accurately introduced in the formulation. The combined influence of higher-order shear deformation, shell geometry and non-circularity on the critical temperature parameter of oval shells as an example of non-circular shell is examined.
机译：在本文中，使用考虑了横向剪切和横向法向变形的高阶运动学，研究了层状非圆形叠层圆柱壳在均匀升温下的热弹性稳定性特征，并通过沿面内位移的厚度近似值考虑了实际情况。通过最小化总势能获得的控制方程采用有限元法求解。应变-位移关系被精确地引入到配方中。研究了高阶剪切变形，壳体几何形状和非圆形度对椭圆形壳体临界温度参数的综合影响，以非圆形壳体为例。

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