Calculation of Dynamic Stress Intensity Factors in the Mixed Mode Using Complex Functions Theory

Abstract eng:
An Analytical method for calculating dynamic stress intensity factors in the mixed mode (combination of opening and sliding modes) using complex functions theory is presented. The basis of the method is grounded on solving the two-dimensional wave equations in the frequency domain and complex plane. After solving the wave equations (considering appropriate boundary conditions), the stress and strain fields, also the J-integrals are obtained. Finally using the J-integrals, dynamic stress intensity factors are calculated. Numerical results including the values of dynamic stress intensity factors for a crack in an infinite domain subjected to P and SV waves are presented.

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