About: Comparison of the FORT approximation of the coupling ray theory with the Fourier pseudospectral method

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The standard ray theory (RT) for inhomogeneous anisotropic media does not work properly or even fails when applied to S-wave propagation in inhomogeneous weakly anisotropic media or in the vicinity of shear-wave singularities. In both cases, the two shear waves propagate with similar phase velocities. The coupling ray theory was proposed to avoid this problem. In it, amplitudes of the two S waves are computed by solving two coupled, frequency-dependent differential equations along a common S-wave ray. In this paper, we test the recently developed approximation of coupling ray theory (CRT) based on the common S-wave rays obtained by first-order ray tracing (FORT). The standard ray theory (RT) for inhomogeneous anisotropic media does not work properly or even fails when applied to S-wave propagation in inhomogeneous weakly anisotropic media or in the vicinity of shear-wave singularities. In both cases, the two shear waves propagate with similar phase velocities. The coupling ray theory was proposed to avoid this problem. In it, amplitudes of the two S waves are computed by solving two coupled, frequency-dependent differential equations along a common S-wave ray. In this paper, we test the recently developed approximation of coupling ray theory (CRT) based on the common S-wave rays obtained by first-order ray tracing (FORT). (en)
Title	Comparison of the FORT approximation of the coupling ray theory with the Fourier pseudospectral method Comparison of the FORT approximation of the coupling ray theory with the Fourier pseudospectral method (en)
skos:prefLabel	Comparison of the FORT approximation of the coupling ray theory with the Fourier pseudospectral method Comparison of the FORT approximation of the coupling ray theory with the Fourier pseudospectral method (en)
skos:notation	RIV/67985530:_____/12:00365261!RIV13-AV0-67985530
http://linked.open...avai/predkladatel	Geofyzikální ústav AV ČR, v. v. i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GAP210/11/0117), Z(AV0Z30120515)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Pšenčík, Ivan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Geofyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	128057
http://linked.open...ai/riv/idVysledku	RIV/67985530:_____/12:00365261
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	coupling ray theory; Fourier pseudospectral method; first-order ray tracing (en)
http://linked.open.../riv/klicoveSlovo	coupling ray theory Fourier pseudospectral method first-order ray tracing
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[8A6A704E8D70]
http://linked.open...i/riv/nazevZdroje	Studia geophysica et geodaetica
http://linked.open...in/vavai/riv/obor	DC
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Seismic wave propagation in complex structures – perturbation approaches II
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	56
http://linked.open...iv/tvurceVysledku	Farra, V. Pšenčík, Ivan Tessmer, E.
http://linked.open...ain/vavai/riv/wos	000301037400004
http://linked.open...n/vavai/riv/zamer	Study of the internal structure and dynamics of the Earth
issn	0039-3169
number of pages	30 (xsd:int)
http://bibframe.org/vocab/doi	10.1007/s11200-010-0086-7
is http://linked.open...avai/riv/vysledek of	Comparison of the FORT approximation of the coupling ray theory with the Fourier pseudospectral method

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