On a mathematical model of journal bearing lubrication

Martin Lanzendörfer and Jan Stebel

Mathematics and Computers in Simulation (MATCOM), 2011, vol. 81, issue 11, 2456-2470

Abstract: We consider the isothermal steady motion of an incompressible fluid whose viscosity depends on the pressure and the shear rate. The system is completed by suitable boundary conditions involving non-homogeneous Dirichlet, Navier’s slip and inflow/outflow parts. We prove the existence of weak solutions and show that the resulting level of the pressure is fixed by the boundary conditions. The paper is motivated by the journal bearing lubrication problem and extends the earlier results for homogeneous boundary conditions.

Keywords: Existence of weak solutions; Incompressible non-Newtonian fluids; Pressure and shear rate dependent viscosity; Inflow/outflow boundary conditions; Filtration boundary conditions (search for similar items in EconPapers)
Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:81:y:2011:i:11:p:2456-2470

DOI: 10.1016/j.matcom.2011.03.011

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