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Dissertation10.47749/t/unicamp.2011.793895

Otimização da superfície de deslizamento em mancais hidrodinâmicos radiais com carregamento estático

Bruno Barbosa de Oliveira Ferreira Salles-2011-02-24
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TL;DRAbstract

The aim of this work is to develop a computational algorithm for bearing surface shape optimization.The algorithm uses the elastohydrodynamic lubrication theory that takes into account the elastic bearing deformation due to the hydrodynamic pressure distribution.This pressure distribution is calculated by solving the Reynolds equation using the Finite Element Method (FEM).The FEM is also used to calculate the bearing radial deformation.An optimization methodology is applied to obtain a new bearing with better performance characteristics by changing only the geometry of the bearing surface.

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The aim of this work is to develop a computational algorithm for bearing surface shape optimization.The algorithm uses the elastohydrodynamic lubrication theory that takes into account the elastic bearing deformation due to the hydrodynamic pressure distribution.This pressure distribution is calculated by solving the Reynolds equation using the Finite Element Method (FEM).The FEM is also used to calculate the bearing radial deformation.An optimization methodology is applied to obtain a new bearing with better performance characteristics by changing only the geometry of the bearing surface.

Keywords

Finite element methodBearing (navigation)LubricationDeformation (meteorology)Reynolds equationWork (physics)Fluid bearingMaterials science

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