Analysis of multiple moving mode-III cracks in a functionally graded magnetoelectroelastic half-plane

This study deals with the interaction of multiple moving mode-III cracks in a functionally graded magnetoelectroelastic half-plane. The cracks are assumed to be either magneto-electrically impermeable or permeable. First, the singular stress, electric displacement, and magnetic induction fields in a...

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Published in:Journal of intelligent material systems and structures 2017-11, Vol.28 (19), p.2823-2834
Main Authors: Ayatollahi, Mojtaba, Mahmoudi Monfared, Mojtaba, Nourazar, Mahsa
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Language:English
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description This study deals with the interaction of multiple moving mode-III cracks in a functionally graded magnetoelectroelastic half-plane. The cracks are assumed to be either magneto-electrically impermeable or permeable. First, the singular stress, electric displacement, and magnetic induction fields in a half-plane with dislocations are obtained in closed form by the means of complex Fourier transform and then the problem is reduced to a system of singular integral equations in a set of unknown functions representing dislocation densities. These integral equations are Cauchy singular and are solved numerically to determine field intensity factors for multiple moving cracks. The results show that the crack velocity has great effect on the field intensity factors.
doi_str_mv 10.1177/1045389X17698593
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title Analysis of multiple moving mode-III cracks in a functionally graded magnetoelectroelastic half-plane
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