About: Behaviour of rays at interfaces in anisotropic viscoelastic media

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Description	The behaviour of rays at interfaces in anisotropic viscoelastic media is studied using three different approaches: the real elastic ray theory, the real viscoelastic ray theory and the complex ray theory. In solving the complex eikonal equation, the highest accuracy is achieved by the complex ray theory. The real elastic and viscoelastic ray theories are less accurate but computationally more effective. In all three approaches, the rays obey Snell's law at the interface, but its form is different for each approach. The complex Snell's law constrains the complex tangential components of the slowness vector. The real viscoelastic and elastic Snell's laws constrain the real tangential components of the slowness vector. In the viscoelastic ray theory, the Snell's law is supplemented by the condition of the stationary slowness vector of scattered waves. The behaviour of rays at interfaces in anisotropic viscoelastic media is studied using three different approaches: the real elastic ray theory, the real viscoelastic ray theory and the complex ray theory. In solving the complex eikonal equation, the highest accuracy is achieved by the complex ray theory. The real elastic and viscoelastic ray theories are less accurate but computationally more effective. In all three approaches, the rays obey Snell's law at the interface, but its form is different for each approach. The complex Snell's law constrains the complex tangential components of the slowness vector. The real viscoelastic and elastic Snell's laws constrain the real tangential components of the slowness vector. In the viscoelastic ray theory, the Snell's law is supplemented by the condition of the stationary slowness vector of scattered waves. (en)
Title	Behaviour of rays at interfaces in anisotropic viscoelastic media Behaviour of rays at interfaces in anisotropic viscoelastic media (en)
skos:prefLabel	Behaviour of rays at interfaces in anisotropic viscoelastic media Behaviour of rays at interfaces in anisotropic viscoelastic media (en)
skos:notation	RIV/67985530:_____/10:00348406!RIV11-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	3
http://linked.open...vai/riv/dodaniDat	2011
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	248555
http://linked.open...ai/riv/idVysledku	RIV/67985530:_____/10:00348406
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	seismic anisotropy; seismic attenuation; wave propagation (en)
http://linked.open.../riv/klicoveSlovo	seismic attenuation seismic anisotropy wave propagation
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[714E09C77D8C]
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	1 (xsd:int)
http://linked.open...vavai/riv/projekt	Seismic waves and sources in anisotropic media II
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	181
http://linked.open...iv/tvurceVysledku	Vavryčuk, Václav
http://linked.open...ain/vavai/riv/wos	000277716400033
http://linked.open...n/vavai/riv/zamer	Study of the internal structure and dynamics of the Earth
issn	0956-540X
number of pages	13 (xsd:int)

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