Modeling flow porous medium with coulomb friction on walls of ducts
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23520%2F10%3A00504127" target="_blank" >RIV/49777513:23520/10:00504127 - isvavai.cz</a>
Výsledek na webu
—
DOI - Digital Object Identifier
—
Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
Modeling flow porous medium with coulomb friction on walls of ducts
Popis výsledku v původním jazyce
The paper deals with development of a computational model describing oil expression from oil-containing seeds. The compression of material is the consequence of propelling kinematics and the friction forces acting on the surfaces of the rotor and statorof the screw compression machine. We consider a poroelastic biphasic material of the Biot type. Within one time increment step, the physical fields involved in the problem are analyzed using the Lagrangian configuration; in order to compute the next time-increment, this configuration 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 subject 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 model is implemented in our in-house developed cod
Název v anglickém jazyce
Modeling flow porous medium with coulomb friction on walls of ducts
Popis výsledku anglicky
The paper deals with development of a computational model describing oil expression from oil-containing seeds. The compression of material is the consequence of propelling kinematics and the friction forces acting on the surfaces of the rotor and statorof the screw compression machine. We consider a poroelastic biphasic material of the Biot type. Within one time increment step, the physical fields involved in the problem are analyzed using the Lagrangian configuration; in order to compute the next time-increment, this configuration 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 subject 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 model is implemented in our in-house developed cod
Klasifikace
Druh
O - Ostatní výsledky
CEP obor
BK - Mechanika tekutin
OECD FORD obor
—
Návaznosti výsledku
Projekt
Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.
Návaznosti
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Ostatní
Rok uplatnění
2010
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů