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20-06-2020 | Original Paper | Issue 8/2020

Acta Mechanica 8/2020

Boundary integral equations in the frequency domain for interface linear cracks under impact loading

Journal:
Acta Mechanica > Issue 8/2020
Authors:
Oleksandr V. Menshykov, Marina V. Menshykova, Igor A. Guz
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Abstract

The linear crack between two dissimilar elastic isotropic half-spaces under normal pulse loading is considered. The system of boundary integral equations for displacements and tractions in the frequency domain is derived from the dynamic Somigliana identity and adapted to solve the problem in the time domain. The numerical convergence of the method with respect to the number of the Fourier coefficients is proved. The effects of material properties of the bimaterial on the distribution of stress intensity factors (opening and transverse shear modes) are presented and analysed.

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