About: Numerical simulation of ultrasonic time reversal mirror in a plate with defect

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The time reversal mirror (TRM) is a method which can be effective in NDE of defects in materials. In this case an input ultrasonic wave is transmitted into the examined sample, then recorded by receiving transducers, time reversed and sent back by the same transducers. A simple numerical model of a solid plate was developed. Using this model, a simulation of TRM was performed. The propagation of ultrasonic waves used in time reversal method is studied. A number of tests with various configurations of transducers and defects and different methodology of the TRM procedure is simulated. The time reversal mirror (TRM) is a method which can be effective in NDE of defects in materials. In this case an input ultrasonic wave is transmitted into the examined sample, then recorded by receiving transducers, time reversed and sent back by the same transducers. A simple numerical model of a solid plate was developed. Using this model, a simulation of TRM was performed. The propagation of ultrasonic waves used in time reversal method is studied. A number of tests with various configurations of transducers and defects and different methodology of the TRM procedure is simulated. (en) Příspěvek se zabývá ultrazvukovými časově-reversními zrcadly (TRM), které mohou být využity jako vysoce efektivní prostředek nedestruktivního hodnocení defektů v materiálech. Do zkoušeného vzorku jsou vysílány ultrazvukové vlny. Přijímacími sondami zaregistrované signály jsou časově obráceny a reversně vysílány zpět do tělesa, kde jsou takto generované vlny zachyceny původně vysílající sondou. Pro počítačové simulace tohoto procesu v desce byl vyvinut jednoduchý numerický 2D model. Pomocí modelu byla simulována TRM procedura pro různá rozložení snímačů a defektů v deskách. (cs)
Title	Numerical simulation of ultrasonic time reversal mirror in a plate with defect Numerical simulation of ultrasonic time reversal mirror in a plate with defect (en) Ultrazvukové časově-reversní zrcadlo-numerická simulace v desce s defektem (cs)
skos:prefLabel	Numerical simulation of ultrasonic time reversal mirror in a plate with defect Numerical simulation of ultrasonic time reversal mirror in a plate with defect (en) Ultrazvukové časově-reversní zrcadlo-numerická simulace v desce s defektem (cs)
skos:notation	RIV/61388998:_____/07:00090711!RIV08-AV0-61388998
http://linked.open.../vavai/riv/strany	A8;A8
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA103/06/1711), P(GA106/07/1393), Z(AV0Z20760514)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Převorovský, Zdeněk Krofta, Josef
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	Ústav termomechaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	438165
http://linked.open...ai/riv/idVysledku	RIV/61388998:_____/07:00090711
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ultrasonic time reversal mirror; nondestructive evaluation; numerical simulations (en)
http://linked.open.../riv/klicoveSlovo	numerical simulations nondestructive evaluation ultrasonic time reversal mirror
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[6C807F202846]
http://linked.open...i/riv/nazevZdroje	NDT Welding Bulletin
http://linked.open...in/vavai/riv/obor	BI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Nonlinear ultrasonic spectroscopy of magnesium metallic composits and alloys Defectoscopy of reinforced concrete elements and structures using non-linear acoustic spectroscopy
http://linked.open...UplatneniVysledku	2007
http://linked.open...v/svazekPeriodika	17
http://linked.open...iv/tvurceVysledku	Převorovský, Zdeněk Krofta, Josef
http://linked.open...n/vavai/riv/zamer	Complex dynamical systems in thermodynamics, fluid and solid mechanics
issn	1213-3825
number of pages	1 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Numerical simulation of ultrasonic time reversal mirror in a plate with defect Numerical simulation of ultrasonic time reversal mirror in a plate with defect Numerical simulation of ultrasonic time reversal mirror in a plate with defect

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