About: Sequentially linear solution procedure for non-proportional loading

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. General non-proportional loading (replaced here by sequence of loading vectors) 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 redistributi 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. General non-proportional loading (replaced here by sequence of loading vectors) 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 redistributi (en)
Title	Sequentially linear solution procedure for non-proportional loading Sequentially linear solution procedure for non-proportional loading (en)
skos:prefLabel	Sequentially linear solution procedure for non-proportional loading Sequentially linear solution procedure for non-proportional loading (en)
skos:notation	RIV/00216305:26110/11:PU96413!RIV12-GA0-26110___
http://linked.open...avai/predkladatel	Fakulta stavební
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GAP105/10/1156), P(GD103/09/H085)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Frantík, Petr Vořechovský, Miroslav Eliáš, Jan
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
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 stavební
http://linked.open...dnocenehoVysledku	228931
http://linked.open...ai/riv/idVysledku	RIV/00216305:26110/11:PU96413
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Non-Proportional Loading, Sequentially Linear Solution, Brittlw Elements, Local Instabilities (en)
http://linked.open.../riv/klicoveSlovo	Brittlw Elements Local Instabilities Non-Proportional Loading Sequentially Linear Solution
http://linked.open...ontrolniKodProRIV	[83E8E3C769B3]
http://linked.open...in/vavai/riv/obor	JM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Complex modelling of concrete structures: Nonlinearity, reliability, life-time and risk aspects (COMOCOS) Modern composite structures
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Eliáš, Jan Frantík, Petr Vořechovský, Miroslav
http://localhost/t...ganizacniJednotka	26110

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