About: On Modeling Flow of a Large Deforming Porous Medium with Rate-Dependent Coulomb Friction Conditions

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper introduces development of a computational model describing oil expression from oil-containing seeds. The principles of compression in the rotating screw pressing machine are based on interplay between the screw rotor geometry, the related kinematics and the friction forces acting on the surfaces of the rotor and stator of the machine. We consider a poroelastic biphasic material of the Biot type. Within one time increment step, the physical elds involved in the problem are analyzed using the Lagrangian conguration; in order to compute the next time-increment, this con- guration is updated using the upwind numerical scheme. Such a treatment requires a projection of the data between two non-matching FE meshes. On the rotor/stator surfaces the compressed material is subjected to the Coulomb friction conditions, which make each incremental subproblem strongly non-linear. For numerical solution of this problem we employ frictional multipliers and we use the semi-smooth Newton method. The paper introduces development of a computational model describing oil expression from oil-containing seeds. The principles of compression in the rotating screw pressing machine are based on interplay between the screw rotor geometry, the related kinematics and the friction forces acting on the surfaces of the rotor and stator of the machine. We consider a poroelastic biphasic material of the Biot type. Within one time increment step, the physical elds involved in the problem are analyzed using the Lagrangian conguration; in order to compute the next time-increment, this con- guration is updated using the upwind numerical scheme. Such a treatment requires a projection of the data between two non-matching FE meshes. On the rotor/stator surfaces the compressed material is subjected to the Coulomb friction conditions, which make each incremental subproblem strongly non-linear. For numerical solution of this problem we employ frictional multipliers and we use the semi-smooth Newton method. (en)
Title	On Modeling Flow of a Large Deforming Porous Medium with Rate-Dependent Coulomb Friction Conditions On Modeling Flow of a Large Deforming Porous Medium with Rate-Dependent Coulomb Friction Conditions (en)
skos:prefLabel	On Modeling Flow of a Large Deforming Porous Medium with Rate-Dependent Coulomb Friction Conditions On Modeling Flow of a Large Deforming Porous Medium with Rate-Dependent Coulomb Friction Conditions (en)
skos:notation	RIV/49777513:23640/10:00504128!RIV11-GA0-23640___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(FR-TI1/369), P(GA106/09/0740)
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 / Nové technologie - výzkumné centrum
http://linked.open...dnocenehoVysledku	276752
http://linked.open...ai/riv/idVysledku	RIV/49777513:23640/10:00504128
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	porous medium; ow; large deformation; Biot model; Coulomb friction; nonsmooth equation (en)
http://linked.open.../riv/klicoveSlovo	Coulomb friction large deformation Biot model porous medium nonsmooth equation ow
http://linked.open...ontrolniKodProRIV	[17F6DBE0DC4C]
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 Microstructure oriented hierarchical modeling of brain perfusion for CT based cerebral blood flow evaluation
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Rohan, Eduard Cimrman, Robert
http://localhost/t...ganizacniJednotka	23640

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