Elastic waves in a transitional solid with arbitrarily small rigidity

Details Elastic waves in a transitional solid with arbitrarily small rigidity Elastic waves in a transitional solid with arbitrarily small rigidity

May 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998geoji.133..230g&link_type=abstract

Geophysical Journal International, Volume 133, Issue 2, pp. 230-232.

Astronomy and Astrophysics

Astronomy

Elastic Waves

Scientific paper

The system of ODE that governs elastic-wave propagation in plane stratified media becomes singular as the elastic rigidity approaches zero. Two approximate methods are presented to address the problem. First, for P-SV waves, one can impose the condition that the displacement is curl-free in the transitional solid. This condition suppresses shear waves. Second, one can represent a thin transitional solid as a massive elastic interface (MEI). The MEI boundary conditions do not become singular as the MEI rigidity approaches zero.

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