About: Identification of the directional distortional hardening model on the basis of hysteresis loop

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Distorted yield surfaces may be observed during plastic deformation of metals. Such a phenomenon is referred to as distortional hardening. Moreover, the distortion of yield surfaces is often directionally dependent giving arise of directional distortional hardening in variety of models. However, calibration of material parameters of these models seems to be quite challenging especially in a simple analytical way. In the presented paper, an analytical identification algorithm is introduced for possibly the simplest directional distortional model. Within basic proportional loading modes, integral forms for static and/or cyclic curves as well as hysteresis loops are derived for this model and latter used in calibration based on experimental data. The overall calibration procedure is thoroughly described in the paper. Distorted yield surfaces may be observed during plastic deformation of metals. Such a phenomenon is referred to as distortional hardening. Moreover, the distortion of yield surfaces is often directionally dependent giving arise of directional distortional hardening in variety of models. However, calibration of material parameters of these models seems to be quite challenging especially in a simple analytical way. In the presented paper, an analytical identification algorithm is introduced for possibly the simplest directional distortional model. Within basic proportional loading modes, integral forms for static and/or cyclic curves as well as hysteresis loops are derived for this model and latter used in calibration based on experimental data. The overall calibration procedure is thoroughly described in the paper. (en)
Title	Identification of the directional distortional hardening model on the basis of hysteresis loop Identification of the directional distortional hardening model on the basis of hysteresis loop (en)
skos:prefLabel	Identification of the directional distortional hardening model on the basis of hysteresis loop Identification of the directional distortional hardening model on the basis of hysteresis loop (en)
skos:notation	RIV/61388998:_____/14:00439558!RIV15-GA0-61388998
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP101/12/2315), P(ME10024)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Plešek, Jiří Parma, Slavomír Hrubý, Zbyněk Marek, René
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	Ústav termomechaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	20322
http://linked.open...ai/riv/idVysledku	RIV/61388998:_____/14:00439558
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	plasticity; directional distortional hardening; identification; calibration (en)
http://linked.open.../riv/klicoveSlovo	directional distortional hardening calibration identification plasticity
http://linked.open...ontrolniKodProRIV	[017964EDA015]
http://linked.open...in/vavai/riv/obor	BJ
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Modelling of acoustic wave propagation in strongly heterogeneous media; multi-scale numerical and analytical approaches Development of computational models in phenomenological pasticity
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Parma, Slavomír Plešek, Jiří Hrubý, Zbyněk Marek, René

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