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Magnetoelectroelastic Interaction between a Generalized Screw Dislocation and Multiple Circular Inclusions

Published online by Cambridge University Press:  05 May 2011

M. H. Shen ,
F.M. Chen ,
S. Y. Hung  and
S.N. Chen
M. H. Shen*
Affiliation:
Department of Automation Engineering, Nan Kai University of Technology, Nantou, Taiwan 54243, R.O.C.
F.M. Chen*
Affiliation:
Department of Automation Engineering, Nan Kai University of Technology, Nantou, Taiwan 54243, R.O.C.
S. Y. Hung*
Affiliation:
Department of Automation Engineering, Nan Kai University of Technology, Nantou, Taiwan 54243, R.O.C.
S.N. Chen*
Affiliation:
Department of Automation Engineering, Nan Kai University of Technology, Nantou, Taiwan 54243, R.O.C.
*
* Professor, corresponding author
** Associate Professor
** Associate Professor
** Associate Professor
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Abstract

In this paper, the interaction of a generalized screw dislocation with multiple circular inclusions perfectly bonded to an unbounded matrix under remote magnetoelectromechanical loadings is dealt with. The analytical solutions of electric field, magnetic field and displacement field either in the inclusions or the matrix are obtained by use of the complex variable method. The image force acting on the magnetoelectric screw dislocation is calculated by using the generalized Peach-Koehler formula. Finally, the influence of material combinations on the image force is examined for several practical examples. The obtained solutions can be used as Green's functions for the analysis of the corresponding magnetoelectric crack problem.

Keywords

Multiple circular inclusionsScrew dislocationMagnetoelectromechanical loadings
Type
Articles
Information
Journal of Mechanics , Volume 26 , Issue 3 , September 2010 , pp. 309 - 316
Copyright
Copyright © The Society of Theoretical and Applied Mechanics, R.O.C. 2010

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