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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F10%3APU90504%21RIV11-GA0-26210___
rdf:type
skos:Concept n17:Vysledek
dcterms:description
The aim of the paper is to study the free surface effect on crack behaviour of a crack located in a graded structure. For a determination of the effect the geometry of a Single Edge Crack Tension (SECT) specimen with graded region between two homogenous basic materials is used in numerical simulations. A continuous and smooth graded structure is modelled with various magnitude of non-homogeneity. Fracture parameters are calculated along the crack front for different crack length. The influence of crack length on the size of free surface affected region has been studied by estimating the stress singularity exponent p along the crack front, see Fig. 4. The effect of free surface was getting more significant with increasing crack length. The value of the stress singularity exponent decreases on the free surface to 90% of the magnitude in the middle of the specimen for all studied crack lengths. The aim of the paper is to study the free surface effect on crack behaviour of a crack located in a graded structure. For a determination of the effect the geometry of a Single Edge Crack Tension (SECT) specimen with graded region between two homogenous basic materials is used in numerical simulations. A continuous and smooth graded structure is modelled with various magnitude of non-homogeneity. Fracture parameters are calculated along the crack front for different crack length. The influence of crack length on the size of free surface affected region has been studied by estimating the stress singularity exponent p along the crack front, see Fig. 4. The effect of free surface was getting more significant with increasing crack length. The value of the stress singularity exponent decreases on the free surface to 90% of the magnitude in the middle of the specimen for all studied crack lengths.
dcterms:title
Effect of the free surface on crack behaviour in cracked graded structures Effect of the free surface on crack behaviour in cracked graded structures
skos:prefLabel
Effect of the free surface on crack behaviour in cracked graded structures Effect of the free surface on crack behaviour in cracked graded structures
skos:notation
RIV/00216305:26210/10:PU90504!RIV11-GA0-26210___
n3:aktivita
n4:S n4:P
n3:aktivity
P(GD106/09/H035), S
n3:dodaniDat
n12:2011
n3:domaciTvurceVysledku
n15:6154557 n15:3875636 n15:9200002
n3:druhVysledku
n13:D
n3:duvernostUdaju
n20:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
256209
n3:idVysledku
RIV/00216305:26210/10:PU90504
n3:jazykVysledku
n6:eng
n3:klicovaSlova
crack, free-surface effect, graded materials, FEM modelling
n3:klicoveSlovo
n5:crack n5:graded%20materials n5:FEM%20modelling n5:free-surface%20effect
n3:kontrolniKodProRIV
[9F8FDE1B2466]
n3:mistoKonaniAkce
Nečtiny
n3:mistoVydani
University of West Bohemia, Plzeň
n3:nazevZdroje
26th conference Computational Mechanics 2010 - Extended Abstracts
n3:obor
n16:JL
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n9:GD106%2F09%2FH035
n3:rokUplatneniVysledku
n12:2010
n3:tvurceVysledku
Hutař, Pavel Náhlík, Luboš Ševčík, Martin
n3:typAkce
n7:EUR
n3:zahajeniAkce
2010-11-08+01:00
s:numberOfPages
2
n18:hasPublisher
University of West Bohemia, Plzeň
n21:isbn
978-80-7043-919-7
n19:organizacniJednotka
26210