Abstract
In this paper, the three-dimensional impact response of a rectangular crack in an infinite elastic body subjected to an impact shear load is considered. The mixed boundary value equations for the crack are reduced to a set of dual integral equations in the Laplace transform domain with the use of the Fourier transform technique. To solve the equations, the Laplace transformed crack surface displacement is expanded in a double series of trigonometrical functions. The unknown coefficients accompanied in that series are solved with the aid of the Schmidt method. Stress intensity factors are calculated numerically for some shapes of the rectangular crack.
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