About: Treatment of friction-driven flow of porous medium

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	To model the process of oil expression from plant seeds in a screw-press machine several physical phenomena have to be taken into account like large deformation of porous matrix saturated by fluid (the oil) and the friction between the perforated stator part and the rotating medium, as well as between the rotor and the medium. The friction is in fact the main force propelling the medium and as such it deserves proper treatment. The large deformation is resolved by a sequence of Biot-like subproblems for small displacement increments of the skeleton matrix and the fluid pressure, involving interpolation of the convected quantities (stress) to a fixed reference domain, where the FE integration occurs in the Lagrangian sense. The friction is described by a variational inequality making the time increment problem non-smooth that we solve using the semi-smooth Newton method. To model the process of oil expression from plant seeds in a screw-press machine several physical phenomena have to be taken into account like large deformation of porous matrix saturated by fluid (the oil) and the friction between the perforated stator part and the rotating medium, as well as between the rotor and the medium. The friction is in fact the main force propelling the medium and as such it deserves proper treatment. The large deformation is resolved by a sequence of Biot-like subproblems for small displacement increments of the skeleton matrix and the fluid pressure, involving interpolation of the convected quantities (stress) to a fixed reference domain, where the FE integration occurs in the Lagrangian sense. The friction is described by a variational inequality making the time increment problem non-smooth that we solve using the semi-smooth Newton method. (en)
Title	Treatment of friction-driven flow of porous medium Treatment of friction-driven flow of porous medium (en)
skos:prefLabel	Treatment of friction-driven flow of porous medium Treatment of friction-driven flow of porous medium (en)
skos:notation	RIV/49777513:23520/10:00503976!RIV11-MSM-23520___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(FR-TI1/369), Z(MSM4977751303)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Rohan, Eduard Cimrman, Robert
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	Západočeská univerzita v Plzni / Fakulta aplikovaných věd
http://linked.open...dnocenehoVysledku	293465
http://linked.open...ai/riv/idVysledku	RIV/49777513:23520/10:00503976
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	poroelasticity; flow-convected configuration; friction; variational inequality; semi-smooth Newton method (en)
http://linked.open.../riv/klicoveSlovo	semi-smooth Newton method variational inequality friction poroelasticity flow-convected configuration
http://linked.open...ontrolniKodProRIV	[F8565024558C]
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	*Research and development of screw press extruding-expelling process
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Rohan, Eduard Cimrman, Robert
http://linked.open...n/vavai/riv/zamer	Predikce poruch heterogenních materiálů, komponent mechanických a biomechanických systémů.
http://localhost/t...ganizacniJednotka	23520

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