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Statements

Subject Item
n2:RIV%2F00216305%3A26110%2F10%3APU90717%21RIV11-GA0-26110___
rdf:type
skos:Concept n16:Vysledek
dcterms:description
The article proposes an improvement over the widely used sequentially linear solution procedure often utilized for fracture simulations. In the classical secant version of this method, a partial solution of a step is scaled to reach a stress limit in exactly one element and the mechanical properties of the critical element are reduced. Non-proportional loading is generally unfeasible due to avalanches of ruptures caused by stress redistribution. Because only one loading vector can be scaled at a time, all others have to remain constant during the step. However, the constant load vectors do not allow proper determination of the critical element. A modified procedure based on redistribution of released stresses is developed here. It preserves the linearity of each step. After rupture of the critical element, a sequentially linear redistribution process of stress release takes place until a static equilibrium state is reached. During the redistribution, other elements may break. The proposed enhanced seq The article proposes an improvement over the widely used sequentially linear solution procedure often utilized for fracture simulations. In the classical secant version of this method, a partial solution of a step is scaled to reach a stress limit in exactly one element and the mechanical properties of the critical element are reduced. Non-proportional loading is generally unfeasible due to avalanches of ruptures caused by stress redistribution. Because only one loading vector can be scaled at a time, all others have to remain constant during the step. However, the constant load vectors do not allow proper determination of the critical element. A modified procedure based on redistribution of released stresses is developed here. It preserves the linearity of each step. After rupture of the critical element, a sequentially linear redistribution process of stress release takes place until a static equilibrium state is reached. During the redistribution, other elements may break. The proposed enhanced seq
dcterms:title
Improved sequentially linear solution procedure Improved sequentially linear solution procedure
skos:prefLabel
Improved sequentially linear solution procedure Improved sequentially linear solution procedure
skos:notation
RIV/00216305:26110/10:PU90717!RIV11-GA0-26110___
n3:aktivita
n13:P n13:Z
n3:aktivity
P(GA103/07/1276), P(GCP105/10/J028), Z(MSM0021630519)
n3:cisloPeriodika
12
n3:dodaniDat
n9:2011
n3:domaciTvurceVysledku
n11:5315816 n11:1352687 n11:5195500
n3:druhVysledku
n4:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n8:predkladatel
n3:idSjednocenehoVysledku
263178
n3:idVysledku
RIV/00216305:26110/10:PU90717
n3:jazykVysledku
n14:eng
n3:klicovaSlova
Sequentially linear procedure, Elasto-brittle elements, Non-proportional load-path, Stress redistribution
n3:klicoveSlovo
n12:Sequentially%20linear%20procedure n12:Elasto-brittle%20elements n12:Non-proportional%20load-path n12:Stress%20redistribution
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[EA7D11B57929]
n3:nazevZdroje
Engineering Fracture Mechanics
n3:obor
n18:JM
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n17:GA103%2F07%2F1276 n17:GCP105%2F10%2FJ028
n3:rokUplatneniVysledku
n9:2010
n3:svazekPeriodika
77
n3:tvurceVysledku
Vořechovský, Miroslav Eliáš, Jan Frantík, Petr
n3:zamer
n10:MSM0021630519
s:issn
0013-7944
s:numberOfPages
14
n15:organizacniJednotka
26110