Comparison of quasi-isotropic approximations of the coupling ray theory with the exact solution in the 1-D anisotropic ``oblique twisted crystal'' model.

Petr Bulant & Ludek Klimes

Summary

Commonly used quasi-isotropic approximations of the coupling ray theory are discussed. The coupling ray theory and its quasi-isotropic approximations are then numerically compared with the exact analytical solution for the plane S wave, propagating along the axis of spirality in the 1-D anisotropic "oblique twisted crystal" model.

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XI Venezuelan Geophysical Congress Technical Programme, Sociedad Venezolana de Ingenieros Geofisicos (SOVG), Caracas, 2002, 8 pp.
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