Abstract
AbstractA time domain boundary element in a cylindrical co‐ordinate system is developed for the analysis of wave propagation in a layered half‐space. The field quantities (displacements and tractions) are expressed as products of Fourier series in the circumferential direction and as linear polynomials in the other spatial directions. An integral equation is written for each layer as an independent domain, and these equations are then assembled into a general equation by virtue of compatibility and equilibrium conditions between the interfaces. Examples of three‐dimensional wave propagation in the layered half‐spaces due to various forms of surface and inner‐domain excitations are reported to demonstrate the accuracy and versatility of the method.
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