About: The influence of vertex singularities on fatigue crack shape

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Due to the existence of vertex singularity at the point where the crack intersects the free surface, stress distribution around the crack tip and the type of the singularity is changed. In the interior of the specimen the classical singular behaviour of the crack is dominant and can be described using generally known analytic equations. Contrary to this, at the free surface or in the boundary layer close to the free surface the vertex singularity is significant. The influence of vertex singularity on crack behaviour and crack shape for a three-dimensional structure is described in this paper. To estimate the influence of the free surface on fatigue crack growth rate the model of a general singular stress concentrator was applied. Using this concept of the generalized stress intensity factor it is possible to estimate the behaviour of a crack with general singular stress field. The estimated fatigue crack shape can help to provide a more reliable estimation of the fatigue life of the structures conside Due to the existence of vertex singularity at the point where the crack intersects the free surface, stress distribution around the crack tip and the type of the singularity is changed. In the interior of the specimen the classical singular behaviour of the crack is dominant and can be described using generally known analytic equations. Contrary to this, at the free surface or in the boundary layer close to the free surface the vertex singularity is significant. The influence of vertex singularity on crack behaviour and crack shape for a three-dimensional structure is described in this paper. To estimate the influence of the free surface on fatigue crack growth rate the model of a general singular stress concentrator was applied. Using this concept of the generalized stress intensity factor it is possible to estimate the behaviour of a crack with general singular stress field. The estimated fatigue crack shape can help to provide a more reliable estimation of the fatigue life of the structures conside (en)
Title	The influence of vertex singularities on fatigue crack shape The influence of vertex singularities on fatigue crack shape (en)
skos:prefLabel	The influence of vertex singularities on fatigue crack shape The influence of vertex singularities on fatigue crack shape (en)
skos:notation	RIV/00216305:26210/08:PU79801!RIV12-MSM-26210___
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GP106/06/P239), P(KJB200410803), S, Z(AV0Z20410507)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Náhlík, Luboš
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 strojního inženýrství
http://linked.open...dnocenehoVysledku	372352
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/08:PU79801
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	vertex singularity, fatigue crack, generalized stress intensity factor (en)
http://linked.open.../riv/klicoveSlovo	fatigue crack generalized stress intensity factor vertex singularity
http://linked.open...ontrolniKodProRIV	[CDA87E38F920]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Brno
http://linked.open...i/riv/nazevZdroje	ECF17 - European Conference on Fracture 17
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Generalization of linear elastic fracture mechanics to crack propagation problems in non-homogenous materials The effect of free surface on fatigue crack growth
http://linked.open...UplatneniVysledku	2008
http://linked.open...iv/tvurceVysledku	Hutař, Pavel Knésl, Zdeněk Náhlík, Luboš Seitl, Stanislav
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2008-09-02 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
number of pages	7 (xsd:int)
http://purl.org/ne...btex#hasPublisher	VUTIUM
https://schema.org/isbn	978-80-214-3692-3
http://localhost/t...ganizacniJednotka	26210

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