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The dynamic behavior of two collinear interface cracks in magneto-electro-elastic materials

Authors
Journal
European Journal of Mechanics - A/Solids
0997-7538
Publisher
Elsevier
Publication Date
Volume
24
Issue
2
Identifiers
DOI: 10.1016/j.euromechsol.2004.10.006
Keywords
  • Magneto-Electro-Elastic Materials
  • Interface Crack
  • Triple Integral Equations

Abstract

Abstract In this paper, the dynamic behavior of two collinear symmetric interface cracks between two dissimilar magneto-electro-elastic material half planes under the harmonic anti-plane shear waves loading is investigated by Schmidt method. By using the Fourier transform, the problem can be solved with a set of triple integral equations in which the unknown variable is the jump of the displacements across the crack surfaces. To solve the triple integral equations, the jump of the displacements across the crack surface is expanded in a series of Jacobi polynomials. Numerical solutions of the stress intensity factor, the electric displacement intensity factor and the magnetic flux intensity factor are given. The relations among the electric filed, the magnetic flux field and the stress field are obtained.

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