About: First-order reflection/transmission coefficients for unconverted plane P waves in weakly anisotropic media

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About: First-order reflection/transmission coefficients for unconverted plane P waves in weakly anisotropic media Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We present approximate formulae for the plane-wave displacement reflection/transmission (R/T) coefficients for interfaces of arbitrary contrast, separating two homogeneous, weakly anisotropic media. They result from boundary conditions requiring continuity of displacement vector and traction, in which coupled S waves are considered as a single S wave and exact quantities are replaced by first-order quantities used in first-order ray tracing. Specifically, the phase velocities, slowness and polarization vectors of P and coupled S waves appearing in the boundary conditions are of the first-order with respect to the deviations of anisotropy from isotropy. Application of the derived R/T coefficients transforms the amplitude of an incident P wave into amplitudes of reflected/transmitted P or coupled S waves. We present approximate formulae for the plane-wave displacement reflection/transmission (R/T) coefficients for interfaces of arbitrary contrast, separating two homogeneous, weakly anisotropic media. They result from boundary conditions requiring continuity of displacement vector and traction, in which coupled S waves are considered as a single S wave and exact quantities are replaced by first-order quantities used in first-order ray tracing. Specifically, the phase velocities, slowness and polarization vectors of P and coupled S waves appearing in the boundary conditions are of the first-order with respect to the deviations of anisotropy from isotropy. Application of the derived R/T coefficients transforms the amplitude of an incident P wave into amplitudes of reflected/transmitted P or coupled S waves. (en)
Title	First-order reflection/transmission coefficients for unconverted plane P waves in weakly anisotropic media First-order reflection/transmission coefficients for unconverted plane P waves in weakly anisotropic media (en)
skos:prefLabel	First-order reflection/transmission coefficients for unconverted plane P waves in weakly anisotropic media First-order reflection/transmission coefficients for unconverted plane P waves in weakly anisotropic media (en)
skos:notation	RIV/67985530:_____/10:00348409!RIV11-GA0-67985530
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA205/08/0332), Z(AV0Z30120515)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2011
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	259319
http://linked.open...ai/riv/idVysledku	RIV/67985530:_____/10:00348409
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	body waves; seismic anisotropy; wave propagation (en)
http://linked.open.../riv/klicoveSlovo	seismic anisotropy body waves wave propagation
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[2F76755066C9]
http://linked.open...i/riv/nazevZdroje	Geophysical Journal International
http://linked.open...in/vavai/riv/obor	DC
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Seismic wave propagation in complex structures - perturbation approaches
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	183
http://linked.open...iv/tvurceVysledku	Farra, V. Pšenčík, Ivan
http://linked.open...ain/vavai/riv/wos	000284274700027
http://linked.open...n/vavai/riv/zamer	Study of the internal structure and dynamics of the Earth
issn	0956-540X
number of pages	12 (xsd:int)

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