About: Weak anisotropy-attenuation parameters

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Velocity anisotropy and attenuation in weakly anisotropic and weakly attenuating structures can be treated uniformly using weak anisotropy-attenuation (WAA) parameters. The WAA parameters are constructed in away analogous to weak anisotropy (WA) parameters designed for weak elastic anisotropy. The WAA parameters generalize WA parameters by incorporating attenuation effects. They can be represented alternatively by one set of complex values or by two sets of real values. Assuming high-frequency waves and using the firstorder perturbation theory, all basic wave quantities such as the slowness vector, the polarization vector, propagation velocity, attenuation, and the quality factor are linear functions ofWAAparameters. Numerical modeling shows that perturbation equations have different accuracy for different wave quantities. The propagation velocity usually is calculated with high accuracy. Velocity anisotropy and attenuation in weakly anisotropic and weakly attenuating structures can be treated uniformly using weak anisotropy-attenuation (WAA) parameters. The WAA parameters are constructed in away analogous to weak anisotropy (WA) parameters designed for weak elastic anisotropy. The WAA parameters generalize WA parameters by incorporating attenuation effects. They can be represented alternatively by one set of complex values or by two sets of real values. Assuming high-frequency waves and using the firstorder perturbation theory, all basic wave quantities such as the slowness vector, the polarization vector, propagation velocity, attenuation, and the quality factor are linear functions ofWAAparameters. Numerical modeling shows that perturbation equations have different accuracy for different wave quantities. The propagation velocity usually is calculated with high accuracy. (en)
Title	Weak anisotropy-attenuation parameters Weak anisotropy-attenuation parameters (en)
skos:prefLabel	Weak anisotropy-attenuation parameters Weak anisotropy-attenuation parameters (en)
skos:notation	RIV/67985530:_____/09:00330515!RIV10-AV0-67985530
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA300120801), Z(AV0Z30120515)
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Vavryčuk, Václav
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	351757
http://linked.open...ai/riv/idVysledku	RIV/67985530:_____/09:00330515
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	weak anisotropy parameters; weak anisotropy-attenuation parameters; seismic waves (en)
http://linked.open.../riv/klicoveSlovo	seismic waves weak anisotropy parameters weak anisotropy-attenuation parameters
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[7ACECA4A6628]
http://linked.open...i/riv/nazevZdroje	Geophysics
http://linked.open...in/vavai/riv/obor	DC
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...vavai/riv/projekt	Seismic waves and sources in anisotropic media II
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	74
http://linked.open...iv/tvurceVysledku	Vavryčuk, Václav
http://linked.open...ain/vavai/riv/wos	000270381400040
http://linked.open...n/vavai/riv/zamer	Study of the internal structure and dynamics of the Earth
issn	0016-8033
number of pages	11 (xsd:int)

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