Abstract
The propagation of transient waves in an elastic half space excited by a normal or tangential impulsive loading over one quarter of its surface is investigated. The solution is based on the stress function approach and the Laplace transform, the double Fourier transform method to non-axisymmetric dynamical problem. When the Laplace inverse transform is performed by means of Cagniard's method, it is important whether the formulation has, or has not, singularities on the real axis of Fourier transform plane. The stress transient in load region was compared with that on free surface. The numerical results are shown graphically for the stress variations versus time.
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