About: Study on determination of accurate approximation of near-crack-tip stress and displacement fields in cracked bodies

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The work deals with a crack-tip stress field analysis during the WST (wedge-splitting test) on specimens made of quasi-brittle materials. The analysis is conducted on a 2D numerical model of the test specimen – an adapted standard concrete cube with the edge length equal to 100 mm – using the ANSYS FE computational system. The influence of different boundary conditions (supports, loading) on the stress field in the specimen is investigated through approximation of the field by Williams power series; coefficients of several starting terms of the power series are studied as functions of the crack length. The main aim of authors is to identify the importance of the considered terms of the Williams series to the accuracy of the stress field description. Results of the study are expected to be utilized for estimation of the extent of the fracture process zone at the crack tip in quasi-brittle materials. The work deals with a crack-tip stress field analysis during the WST (wedge-splitting test) on specimens made of quasi-brittle materials. The analysis is conducted on a 2D numerical model of the test specimen – an adapted standard concrete cube with the edge length equal to 100 mm – using the ANSYS FE computational system. The influence of different boundary conditions (supports, loading) on the stress field in the specimen is investigated through approximation of the field by Williams power series; coefficients of several starting terms of the power series are studied as functions of the crack length. The main aim of authors is to identify the importance of the considered terms of the Williams series to the accuracy of the stress field description. Results of the study are expected to be utilized for estimation of the extent of the fracture process zone at the crack tip in quasi-brittle materials. (en)
Title	Study on determination of accurate approximation of near-crack-tip stress and displacement fields in cracked bodies Study on determination of accurate approximation of near-crack-tip stress and displacement fields in cracked bodies (en)
skos:prefLabel	Study on determination of accurate approximation of near-crack-tip stress and displacement fields in cracked bodies Study on determination of accurate approximation of near-crack-tip stress and displacement fields in cracked bodies (en)
skos:notation	RIV/00216305:26110/11:PU96593!RIV12-MSM-26110___
http://linked.open...avai/predkladatel	Fakulta stavební
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GAP105/11/1551), P(ME10030), S
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Seitl, Stanislav Veselý, Václav Malíková, Lucie Sobek, Jakub
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	Vysoké učení technické v Brně / Fakulta stavební
http://linked.open...dnocenehoVysledku	233167
http://linked.open...ai/riv/idVysledku	RIV/00216305:26110/11:PU96593
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	crack, wedge-splitting test, Williams power series, Over-deterministic method (en)
http://linked.open.../riv/klicoveSlovo	wedge-splitting test Over-deterministic method Williams power series crack
http://linked.open...ontrolniKodProRIV	[767332933B8C]
http://linked.open...v/mistoKonaniAkce	Plzeň
http://linked.open...i/riv/mistoVydani	Plzeň
http://linked.open...i/riv/nazevZdroje	Book of extended abstracts of conference Computational Mechanics 2011
http://linked.open...in/vavai/riv/obor	JM
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Energetic and stress state aspects of quasi-brittle fracture – consequences for determination of fracture-mechanical parameters of silicate composites Structural Reliability using Statistical Mechanics
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Seitl, Stanislav Veselý, Václav Šestáková, Lucie Sobek, Jakub
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2011-11-07 (xsd:date)
number of pages	2 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Neuveden
https://schema.org/isbn	978-80-261-0027-0
http://localhost/t...ganizacniJednotka	26110
is http://linked.open...avai/riv/vysledek of	Study on determination of accurate approximation of near-crack-tip stress and displacement fields in cracked bodies Study on determination of accurate approximation of near-crack-tip stress and displacement fields in cracked bodies

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