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Statements

Subject Item
n2:RIV%2F00216305%3A26110%2F13%3APU105569%21RIV14-GA0-26110___
rdf:type
skos:Concept n20:Vysledek
dcterms:description
Accurate knowledge of stress/displacement field in a cracked specimen is very important for fracture analysis and for instance in the case of quasi-brittle materials, where the zone of non-linear behavior affecting the overall fracture process is larger than in other (brittle) materials, it can play a key role. In this paper, it is shown that Williams expansion can describe the crack-tip fields reliably, provided that considerably more than one or two terms of the power series are taking into account. Such an approach, referred to as multi-parameter fracture mechanics, is usually not used for a common assessment of crack behavior. The study presented shows that especially in larger distances from the crack tip the higher-order terms are crucial in order to minimize the error corresponding with use of only one or two fracture parameters (the first and second terms of Williams expansion). In other words, considering of the higher-order terms of the Williams expansion is essential if knowledge of accur Accurate knowledge of stress/displacement field in a cracked specimen is very important for fracture analysis and for instance in the case of quasi-brittle materials, where the zone of non-linear behavior affecting the overall fracture process is larger than in other (brittle) materials, it can play a key role. In this paper, it is shown that Williams expansion can describe the crack-tip fields reliably, provided that considerably more than one or two terms of the power series are taking into account. Such an approach, referred to as multi-parameter fracture mechanics, is usually not used for a common assessment of crack behavior. The study presented shows that especially in larger distances from the crack tip the higher-order terms are crucial in order to minimize the error corresponding with use of only one or two fracture parameters (the first and second terms of Williams expansion). In other words, considering of the higher-order terms of the Williams expansion is essential if knowledge of accur
dcterms:title
Accuracy of approximation of stress field in cracked bodies for failure zone extent estimation Accuracy of approximation of stress field in cracked bodies for failure zone extent estimation
skos:prefLabel
Accuracy of approximation of stress field in cracked bodies for failure zone extent estimation Accuracy of approximation of stress field in cracked bodies for failure zone extent estimation
skos:notation
RIV/00216305:26110/13:PU105569!RIV14-GA0-26110___
n20:predkladatel
n21:orjk%3A26110
n5:aktivita
n16:P
n5:aktivity
P(GAP105/11/1551), P(GPP105/12/P417)
n5:dodaniDat
n18:2014
n5:domaciTvurceVysledku
n11:5315816 n11:7169582 n11:9359885 n11:3810615
n5:druhVysledku
n19:D
n5:duvernostUdaju
n10:S
n5:entitaPredkladatele
n13:predkladatel
n5:idSjednocenehoVysledku
59316
n5:idVysledku
RIV/00216305:26110/13:PU105569
n5:jazykVysledku
n22:eng
n5:klicovaSlova
Near-crack-tip fields, Williams power expansion, over-deterministic method, finite elements, failure zone extent
n5:klicoveSlovo
n8:Williams%20power%20expansion n8:Near-crack-tip%20fields n8:over-deterministic%20method n8:finite%20elements n8:failure%20zone%20extent
n5:kontrolniKodProRIV
[445E16426767]
n5:mistoKonaniAkce
Toledo, Španělsko
n5:mistoVydani
Toledo, Španělsko
n5:nazevZdroje
Fracture Mechanics of Concrete and Concrete Structures
n5:obor
n12:JM
n5:pocetDomacichTvurcuVysledku
4
n5:pocetTvurcuVysledku
4
n5:projekt
n7:GPP105%2F12%2FP417 n7:GAP105%2F11%2F1551
n5:rokUplatneniVysledku
n18:2013
n5:tvurceVysledku
Malíková, Lucie Sobek, Jakub Frantík, Petr Veselý, Václav
n5:typAkce
n6:WRD
n5:zahajeniAkce
2013-03-11+01:00
s:numberOfPages
10
n9:hasPublisher
Neuveden
n15:isbn
978-84-941004-0-6
n17:organizacniJednotka
26110