Show simple item record

dc.contributor.authorWoloszynski, Tomasz
dc.contributor.authorPodsiadlo, Pawel
dc.contributor.authorStachowiak, Gwidon
dc.date.accessioned2017-01-30T11:53:46Z
dc.date.available2017-01-30T11:53:46Z
dc.date.created2014-03-09T20:00:41Z
dc.date.issued2013
dc.date.submitted2014-03-24
dc.identifier.citationWoloszynski, Tomasz and Podsiadlo, Pawel and Stachowiak, Gwidon W. 2013. Evaluation of Discretisation and Integration Methods for the Analysis of Hydrodynamic Bearings With and Without Surface Texturing. Tribology Letters. 51 (1): pp. 25-47.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/16087
dc.identifier.doi10.1007/s11249-013-0143-9
dc.description.abstract

Surface texturing has been demonstrated to improve tribological performance of hydrodynamic bearings. Because the texturing increases complexity of a surface, numerical methods are required. However, no comparison study has so far been conducted to determine which methods are most accurate with the least number of grid/mesh points. Knowing this would allow for the analysis and optimisation of bearings with complex geometries. In this work, performance of four discretisation methods (finite difference, finite element, finite volume and spectral element (SE)) in approximating the pressure function and three integration methods (Newton–Cotes formulas and Gauss quadrature) in approximating the load capacity, coefficient of friction and film height was evaluated in a systematic manner. Three slider bearing geometries were used: inclined surface without texturing and two parallel surfaces textured with trapezoidal and quadratic dimples. For the evaluation, pressure function, load capacity, coefficient of friction were calculated analytically using the Reynolds equation. Differences between the analytical values and their approximations produced by the numerical methods were calculated versus the number of grid/mesh points. The numbers of points were determined for the differences below 5, 1 and 0.1 %. Results showed that the SE method and the Gauss quadrature were most accurate regardless of the bearing geometry and used up to 28 times fewer points as compared to other methods.

dc.publisherSpringer
dc.subjectFinite volume
dc.subjectFinite difference
dc.subjectSurface texture
dc.subjectHydrodynamic lubrication
dc.subjectSpectral element
dc.subjectFinite element
dc.titleEvaluation of Discretisation and Integration Methods for the Analysis of Hydrodynamic Bearings With and Without Surface Texturing
dc.typeJournal Article
dcterms.dateSubmitted2014-03-10
dcterms.source.volume51
dcterms.source.startPage25
dcterms.source.endPage47
dcterms.source.issn1023-8883
dcterms.source.titleTribology Letters
curtin.digitool.pid196094
curtin.pubStatusPublished
curtin.department
curtin.identifier.scriptidPUB-SE-DME-FS-75924
curtin.accessStatusFulltext not available


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record