Development of Generalized Plane-Strain Tensors for the Concentric Cylinder

[+] Author and Article Information
N. Chandra, Zhiyum Xie

Department of Mechanical Engineering, Florida A&M University/Florida State University College of Engineering, Tallahassee, FL 32316-2175

J. Appl. Mech 62(3), 590-594 (Sep 01, 1995) (5 pages) doi:10.1115/1.2895986 History: Received January 03, 1994; Revised June 06, 1994; Online October 30, 2007


A pair of two new tensors called GPS tensors S and D is proposed for the concentric cylindrical inclusion problem. GPS tensor S relates the strain in the inclusion constrained by the matrix of finite radius to the uniform transformation strain (eigenstrain), whereas tensor D relates the strain in the matrix to the same eigenstrain. When the cylindrical matrix is of infinite radius, tensor S reduces to the appropriate Eshelby’s tensor. Explicit expressions to evaluate thermal residual stresses σr , σθ and σz in the matrix and the fiber using tensor D and tensor S , respectively, are developed. Since the geometry of the present problem is of finite radius, the effect of fiber volume fraction on the stress distribution can be easily studied. Results for the thermal residual stress distributions are compared with Eshelby’s infinite domain solution and finite element results for a specified fiber volume fraction.

Copyright © 1995 by The American Society of Mechanical Engineers
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