PHENOMENOLOGICAL THEORY OF ATTENUATION AND PROPAGATION VELOCITY OF ELASTIC WAVES IN ROCKS.

J. M. Richardson, Bernhard R. Tittmann

Research output: Contribution to journalConference articlepeer-review

Abstract

A phenomenological theory of velocity and attenuation of elastic waves in rocks is proposed and applied to several rock types. The theory is based upon the two main assumptions: (a) that the macroscopic behavior can be modelled as a superposition of linear dissipative processes and (b) that these processes involve thermal activation with a flat distribution of activation energies over a range whose end points depend on the partial pressure of the volatile to which the rock is exposed. A correlation is made between certain parameters of this phenomenological theory, on one hand, and the fracture stress, induration, and other petrographic factors, on the other.

Original languageEnglish (US)
Pages (from-to)1027-1031
Number of pages5
JournalUltrasonics Symposium Proceedings
Volume2
StatePublished - Jan 1 1980
EventUnknown conference - Boston, Mass
Duration: Nov 5 1980Nov 7 1980

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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