Application of FDEM on the Numerical Simulation of Journal Bearings with Turbulence and Inertia Effects

Torsten Adolph (), Willi Schönauer (), Roman Koch () and Gunter Knoll ()
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Torsten Adolph: Karlsruhe Institute of Technology, Forschungszentrum Karlsruhe GmbH, Steinbuch Centre for Computing

A chapter in High Performance Computing in Science and Engineering '09, 2010, pp 383-394 from Springer

Abstract: Abstract For the numerical simulation of journal bearings, current software solutions use the Reynolds differential equation where inertia terms are not included. The Finite Difference Element Method (FDEM) is a black-box solver for nonlinear systems of elliptic and parabolic partial differential equations (PDEs). Based on the general black-box we implement the Reynolds equation with inertia terms for the simulation of a journal bearing. We can easily implement different models for the turbulence factors and the dynamic viscosity, and we also consider cavitation. We give results for different Reynolds numbers, and we also give a global error estimate for each of the cases. This shows the quality of the numerical solution and is a unique feature of FDEM.

Keywords: Reynolds Number; Journal Bearing; Computation Step; Reynolds Equation; Inertia Term (search for similar items in EconPapers)
Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-642-04665-0_28

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DOI: 10.1007/978-3-642-04665-0_28

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