About: Influence of the sinngularity induced by the free surface on behaviour of thin body with a v-notch

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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	Vliv singularity indukované na volném povrchu byl zkoumán na tělese s ostrým V-vrubem. Pomocí metody konečných prvků byla provedena analýza takového tělesa a stanoven průběh singularity po tloušťce vzorku. Bylo zjištěno, že velikost singularity směrem k volnému povrchu klesá až na hodnotu odpovídající rohové singularity. Byly stanoveny tloušťky těles pro které je tato změna významná. Presentované výsledky pomáhají k věrohodnému popisu 3d těles s obecnými koncentrátory napětí. (cs) The influence of the singularity induced by the free surface on the behaviour of a body with a V-notch is investigated in this paper. Attention is focused mainly on the change of the singularity and the stress state through the thickness of a three-dimensional specimen. Numerical finite-element analysis of the tension loaded specimens with a V-notch were performed. The displacements and the stresses from the analysis were used to estimate the power of singularities using a log-log regression analysis along the crack front. It was found that in the middle of the specimen singularity of the V-notch is dominant this can be found using analytic equations describing two-dimensional stress distribution around the sharp V-notch. The thickness of boundary layer (region influenced by corner singularity) depends only on the Poisson's ratio of the material. The presented results can be used for a more reliable estimation of the free-surface effect on singular concentrator behaviour. The influence of the singularity induced by the free surface on the behaviour of a body with a V-notch is investigated in this paper. Attention is focused mainly on the change of the singularity and the stress state through the thickness of a three-dimensional specimen. Numerical finite-element analysis of the tension loaded specimens with a V-notch were performed. The displacements and the stresses from the analysis were used to estimate the power of singularities using a log-log regression analysis along the crack front. It was found that in the middle of the specimen singularity of the V-notch is dominant this can be found using analytic equations describing two-dimensional stress distribution around the sharp V-notch. The thickness of boundary layer (region influenced by corner singularity) depends only on the Poisson's ratio of the material. The presented results can be used for a more reliable estimation of the free-surface effect on singular concentrator behaviour. (en)
Title	Influence of the sinngularity induced by the free surface on behaviour of thin body with a v-notch Vliv singularity způsobené volným povrchem na chování tenkých těles s v-vrubem (cs) Influence of the sinngularity induced by the free surface on behaviour of thin body with a v-notch (en)
skos:prefLabel	Influence of the sinngularity induced by the free surface on behaviour of thin body with a v-notch Vliv singularity způsobené volným povrchem na chování tenkých těles s v-vrubem (cs) Influence of the sinngularity induced by the free surface on behaviour of thin body with a v-notch (en)
skos:notation	RIV/68081723:_____/07:00094872!RIV08-AV0-68081723
http://linked.open.../vavai/riv/strany	1;8
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA101/05/0227), P(GD106/05/H008), Z(AV0Z20410507)
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Náhlík, Luboš Hutař, Pavel Majer, Zdeněk
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	Ústav fyziky materiálů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	426466
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/07:00094872
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Surface singularity (en)
http://linked.open.../riv/klicoveSlovo	Surface singularity
http://linked.open...ontrolniKodProRIV	[56A2BFB0D102]
http://linked.open...v/mistoKonaniAkce	Malenovice
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	Applied Mechanics 2007
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Multiscale design of advanced materials Fracture Behaviour of Polyolephine Composite´s Pipes
http://linked.open...UplatneniVysledku	2007
http://linked.open...iv/tvurceVysledku	Hutař, Pavel Majer, Zdeněk Náhlík, Luboš
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2007-04-16 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Vysoká škola báňská - Technická univerzita Ostrava
https://schema.org/isbn	978-80-248-1389-9

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