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Statements

Subject Item
n2:RIV%2F67985530%3A_____%2F12%3A00365261%21RIV13-AV0-67985530
rdf:type
skos:Concept n15:Vysledek
dcterms: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).
dcterms: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
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
skos:notation
RIV/67985530:_____/12:00365261!RIV13-AV0-67985530
n15:predkladatel
n19:ico%3A67985530
n3:aktivita
n11:Z n11:P
n3:aktivity
P(GAP210/11/0117), Z(AV0Z30120515)
n3:cisloPeriodika
1
n3:dodaniDat
n13:2013
n3:domaciTvurceVysledku
n16:7667485
n3:druhVysledku
n4:J
n3:duvernostUdaju
n9:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
128057
n3:idVysledku
RIV/67985530:_____/12:00365261
n3:jazykVysledku
n18:eng
n3:klicovaSlova
coupling ray theory; Fourier pseudospectral method; first-order ray tracing
n3:klicoveSlovo
n12:coupling%20ray%20theory n12:Fourier%20pseudospectral%20method n12:first-order%20ray%20tracing
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[8A6A704E8D70]
n3:nazevZdroje
Studia geophysica et geodaetica
n3:obor
n10:DC
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
3
n3:projekt
n20:GAP210%2F11%2F0117
n3:rokUplatneniVysledku
n13:2012
n3:svazekPeriodika
56
n3:tvurceVysledku
Tessmer, E. Farra, V. Pšenčík, Ivan
n3:wos
000301037400004
n3:zamer
n14:AV0Z30120515
s:issn
0039-3169
s:numberOfPages
30
n6:doi
10.1007/s11200-010-0086-7