A magnetoelectric screw dislocation interacting with a circular layered inclusion |
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| Institution: | 1. Department of Civil and Architectural Engineering, City University of Hong Kong, Kowloon, Hong Kong;2. CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China, PR China;3. College of Information Technology, Shanghai Ocean University, 999 Huchenghuan Road, Shanghai 201306, PR China;1. School of Aeronautics and Astronautics, Shanghai Jiao Tong University, Shanghai 200240, People''s Republic of China;2. School of Ocean and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, People''s Republic of China;3. School of Computing, Engineering and Mathematics, Western Sydney University, Locked Bag 1797, Penrith, NSW 2751, Australia;4. Centre for Infrastructure Engineering, Western Sydney University, Locked Bag 1797, Penrith, NSW 2751, Australia;5. Department of Mechanical Engineering, University of New Orleans, New Orleans, LA 70148, USA;1. School of Aeronautics and Astronautics, Shanghai Jiao Tong University, Shanghai 200240, People’s Republic of China;2. School of Computing, Engineering and Mathematics, Locked Bag 1797, Penrith, NSW 2751, Australia;3. Centre for Infrastructure Engineering, Western Sydney University, Locked Bag 1797, Penrith, NSW 2751, Australia |
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| Abstract: | Within the framework of the linear theory of magnetoelectroelasticity, the problem of a circular layered inclusion interacting with a generalized screw dislocation under remote anti-plane shear stress and in-plane magnetoelectric loads is investigated in this paper. The generalized dislocation can be located either in the matrix or in the circular layered inclusion. The layers are coaxial cylinders of annular cross-sections with arbitrary radii and different material properties. Using complex variable theory and the alternating technique, the solution of the present problem is expressed in terms of the solution of the corresponding homogeneous medium problem subjected to the same loading. Some numerical results are provided to investigate the influence of material combinations on the shear stress, electric field, magnetic and image force. These solutions can be used as Green's functions for the analysis of the corresponding magnetoelectric crack problem. |
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