Abstract

A relation is derived between the energy radiated by straight-crested Rayleigh waves and the amplitude of the vertical component of the displacement at the surface. This relation involves a constant of proportionality which depends in a complicated manner on Poisson's ratio, but a simple, quadratic, approximation is derived which is accurate to within 1%. The corresponding relation between the radiated energy and the amplitude of surface displacement for cylindrical surface waves is also derived and is used to show the influence of Poisson's ratio on the partition of energy between the body waves and the surface wave from two point sources.

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