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Computed waveforms in transversely isotropic media

J. E. White
J. E. White
Department of Geophysics, Colorado School of Mines, Golden, CO 80401
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January 01, 2000
Publication history
29 December 198010 August 1981


Radiation of elastic waves from a point force or from a localized torque into a transversely isotropic medium has been formulated in terms of displacement potentials, and transient waveforms have been computed by numerical Fourier inversion. For isotropic sandstone, this procedure yields P- and 5-wave pulses whose arrival times and magnitudes agree with theory. For a range of anisotropic rocks, arrival times of quasi-P-waves and quasi-S-waves agree with asymptotic theory. For extreme anisotropy, some quasi-S-wave pulses arrive at times which are not predicted by asymptotic theory. Magnitudes have not been compared with results of asymptotic theory, but decrease with distance appears to be in agreement. This Fourier inversion method gives near-source changes in waveform which are notintroduction obtainable from the asymptotic theory.

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Society of Exploration Geophysicists Geophysics Reprint Series

Seismic Wave Propagation: Collected Works of J. E. White

J. E. White
J. E. White
Professor Emeritus, Colorado School of Mines
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Society of Exploration Geophysicists
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Publication date:
January 01, 2000




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