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首页> 外文期刊>Journal of thermal stresses >THERMO-ELASTIC DEFORMATIONS OF CYLINDRICAL MULTI-LAYERED SHELLS USING A DIRECT APPROACH
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THERMO-ELASTIC DEFORMATIONS OF CYLINDRICAL MULTI-LAYERED SHELLS USING A DIRECT APPROACH

机译：圆柱多层壳热弹性变形的直接方法

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摘要

In this article we study the deformation of thermo-elastic multi-layered shells, using a Cosserat model. By this direct approach, the shell-like bodies are modeled as deformahle surfaces with a triad of rigidly rotating directors assigned to every point. The thermal effects arc described with the help of two independent temperature fields. Concerning cylindrical orthotropic layered shells, we establish a general solution procedure for a class of thermal stresses problems. These analytical solutions are compared in some special cases with the corresponding three-dimensional solutions and thus, the thermo-elastic coupling coefficients for shells are identified in terms of the materiallgeometrical parameters of the layers. Finally, we present a comparison between our theoretical results and the numerical solutions obtained by a finite element analysis of a 3-layered cylindrical shell.
机译：在本文中，我们使用Cosserat模型研究热弹性多层壳的变形。通过这种直接方法，将壳状体建模为变形曲面，将三重刚性旋转的指向矢分配给每个点。在两个独立的温度场的帮助下描述了热效应。关于圆柱正交异性层状壳，我们为一类热应力问题建立了通用的求解程序。在某些特殊情况下，将这些解析解与相应的三维解进行了比较，因此，根据层的材料几何参数确定了壳体的热弹耦合系数。最后，我们将我们的理论结果与通过三层圆柱壳的有限元分析获得的数值解进行比较。

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