Dynamic fracture analysis of an annular interfacial crack between dissimilar magnetoelectroelastic layers |
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Authors: | Y S Li J H Ren W J Feng W Wang |
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Institution: | 1. College of Civil Engineering, Hebei University of Engineering, Handan, 056038, Hebei, People??s Republic of China 2. Department of Engineering Mechanics, Shijiazhuang Tiedao University, Shijiazhuang, 050043, Hebei, People??s Republic of China
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Abstract: | Transient response of an annular interfacial crack between dissimilar magnetoelectroelastic layers under impacts is investigated. On the crack surface, magnetoelectrically impermeable boundary condition is adopted. Using Laplace and Hankel transform techniques, the mixed boundary value problem is reduced to a system of singular integral equations. The integral equations are further reduced to a system of algebraic equations with the aid of Jacobi polynomials. The dynamic field intensity factor and dynamic energy release rate are determined. Numerical results reveal the effects of electric or magnetic loadings and material parameters of composite on crack propagation and growth. |
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