A periodic system of electrically permeable cracks at the interface between two piezoelectric materials |
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Authors: | S V Kozinov V V Loboda |
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Institution: | (1) Department of Theoretical and Applied Mechanics, Dniepropetrovsk National University, Gagarina 72, Dniepropetrovsk, 49010, Ukraine |
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Abstract: | We constructed a closed solution for a bimaterial plane consisting of two dissimilar piezoelectric half-planes with a periodic
system of electrically permeable cracks at the interface between these materials. The presence of zones of smooth contact
of the crack lips near their tips was taken into account. By representing the characteristics of electromechanical fields
via piecewise analytic functions, we reduced the problem to a Dirichlet–Riemann periodic problem, which was solved exactly.
As a result of numerical analysis of the derived solution, we studied the dependence of the relative length of the contact
zones and stress intensity factors on the ratio between the crack length and period for different combinations of piezoelectric
materials. |
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Keywords: | |
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