Abstract
Using Reissner’s variational theorem in conjunction with an equilibrium stress field in which the r-dependence is assumed, we formulate an approximate model to define the thermoelastic response of a concentric cylindrical body under axisymmetric boundary conditions. The interfaces between continguous cylinders may be either continuous or subjected to mixed traction and displacement boundary conditions. The external surfaces may be subjected to mixed boundary conditions that are consistent with the model assumptions but otherwise arbitrary. The model is designed to analyze experiments such as pullout tests and also to represent the concentric cylinder model of a composite representative volume element and it contains the capability to enhance the accuracy of a given numerical solution. An illustrative thermal stress problem is solved and used to compare with an existing elasticity solution and to examine some of the details regarding sensitivity to model parameters.
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© 1992 Springer-Verlag, Berlin Heidelberg
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Pagano, N.J. (1992). Axisymmetric Micromechanical Stress Fields in Composites. In: Reddy, J.N., Reifsnider, K.L. (eds) Local Mechanics Concepts for Composite Material Systems. IUTAM Symposia. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-84792-9_1
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DOI: https://doi.org/10.1007/978-3-642-84792-9_1
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