About: A-star Mesh Based Initialization Algorithm for Functional Iteration and Newton-Raphson Procedure in Acoustic Emission

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Acoustic emission is a non-destructive testing method detecting and identifying the defects that are generated by elastic waves in a solid body under stress. Finding geodesic surface curves is the essential task for the acoustic emission source localization. The aim of the internship is to find accurate geodesic curves on surfaces for acoustic emission. The computer programmes have to be quick and efficient. First, we focus on the A-star's algorithm to find a path between a start point and an end point through the mesh on the surface considered. The drawbacks of this method and several improvements are presented in this paper. This approach provides us with the correct surface path but it is not accurate enough, thus the path is consequently used by other numerical methods called Functional Iteration and Newton-Raphson method. These two iterative methods use the theory of geodesic curves and provide good results in terms of accuracy and computational time. Acoustic emission is a non-destructive testing method detecting and identifying the defects that are generated by elastic waves in a solid body under stress. Finding geodesic surface curves is the essential task for the acoustic emission source localization. The aim of the internship is to find accurate geodesic curves on surfaces for acoustic emission. The computer programmes have to be quick and efficient. First, we focus on the A-star's algorithm to find a path between a start point and an end point through the mesh on the surface considered. The drawbacks of this method and several improvements are presented in this paper. This approach provides us with the correct surface path but it is not accurate enough, thus the path is consequently used by other numerical methods called Functional Iteration and Newton-Raphson method. These two iterative methods use the theory of geodesic curves and provide good results in terms of accuracy and computational time. (en)
Title	A-star Mesh Based Initialization Algorithm for Functional Iteration and Newton-Raphson Procedure in Acoustic Emission A-star Mesh Based Initialization Algorithm for Functional Iteration and Newton-Raphson Procedure in Acoustic Emission (en)
skos:prefLabel	A-star Mesh Based Initialization Algorithm for Functional Iteration and Newton-Raphson Procedure in Acoustic Emission A-star Mesh Based Initialization Algorithm for Functional Iteration and Newton-Raphson Procedure in Acoustic Emission (en)
skos:notation	RIV/68407700:21340/11:00187901!RIV12-MSM-21340___
http://linked.open...avai/predkladatel	Fakulta jaderná a fyzikálně inženýrská
http://linked.open...avai/riv/aktivita	S Z
http://linked.open...avai/riv/aktivity	S, Z(MSM6840770039)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Záveský, Michal Kůs, Václav
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta jaderná a fyzikálně inženýrská
http://linked.open...dnocenehoVysledku	187345
http://linked.open...ai/riv/idVysledku	RIV/68407700:21340/11:00187901
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	functional iterations; mesh; A-star; acoustic emission (en)
http://linked.open.../riv/klicoveSlovo	A-star functional iterations mesh acoustic emission
http://linked.open...ontrolniKodProRIV	[44B068378CA9]
http://linked.open...v/mistoKonaniAkce	Křižánky
http://linked.open...i/riv/mistoVydani	Praha
http://linked.open...i/riv/nazevZdroje	SPMS 2011 Stochastic and Physical Monitoring Systems - Proceedings
http://linked.open...in/vavai/riv/obor	BA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Ceppe, A. Kůs, Václav Záveský, Michal
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2011-06-27 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Matematické, počítačové a experimentální metody ve fyzice
number of pages	7 (xsd:int)
http://purl.org/ne...btex#hasPublisher	České vysoké učení technické v Praze. Fakulta jaderná a fyzikálně inženýrská
https://schema.org/isbn	978-80-01-04916-7
http://localhost/t...ganizacniJednotka	21340
is http://linked.open...avai/riv/vysledek of	A-star Mesh Based Initialization Algorithm for Functional Iteration and Newton-Raphson Procedure in Acoustic Emission A-star Mesh Based Initialization Algorithm for Functional Iteration and Newton-Raphson Procedure in Acoustic Emission

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