An exact and general model order reduction technique for the finite element solution of elastohydrodynamic lubrication problems

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dc.contributor.author Habchi, W.
dc.contributor.author Issa, J. S.
dc.date.accessioned 2018-01-03T11:56:34Z
dc.date.available 2018-01-03T11:56:34Z
dc.date.copyright 2017 en_US
dc.date.issued 2018-01-03
dc.identifier.issn 0041-2678 en_US
dc.identifier.uri http://hdl.handle.net/10725/6867
dc.description.abstract This work presents an exact and general model order reduction (MOR) technique for a fast finite element resolution of elastohydrodynamic lubrication (EHL) problems. The reduction technique is based on the static condensation principle. As such, it is exact and it preserves the generality of the solution scheme while reducing the size of its corresponding model and, consequently, the associated computational overhead. The technique is complemented with a splitting algorithm to alleviate the hurdle of solving an arising semidense matrix system. The proposed reduced model offers computational time speed-ups compared to the full model ranging between a factor of at least three and at best 15 depending on operating conditions. The results also reveal the robustness of the proposed methodology which allows the resolution of very highly loaded contacts with Hertzian pressures reaching several GPa. Such cases are known to be a numerical challenge in the EHL literature. en_US
dc.language.iso en en_US
dc.title An exact and general model order reduction technique for the finite element solution of elastohydrodynamic lubrication problems en_US
dc.type Article en_US
dc.description.version Published en_US
dc.author.school SOE en_US
dc.author.idnumber 200804200 en_US
dc.author.idnumber 200803943 en_US
dc.author.department Industrial And Mechanical Engineering en_US
dc.description.embargo N/A en_US
dc.relation.journal Journal of Tribology en_US
dc.journal.volume 139 en_US
dc.journal.issue 5 en_US
dc.article.pages 1-19
dc.identifier.doi http://dx.doi.org/10.1115/1.4035154 en_US
dc.identifier.ctation Habchi, W., & Issa, J. S. (2017). An Exact and General Model Order Reduction Technique for the Finite Element Solution of Elastohydrodynamic Lubrication Problems. Journal of Tribology, 139(5), 1-19 en_US
dc.author.email wassim.habchi@lau.edu.lb en_US
dc.author.email jimmy.issa@lau.edu.lb en_US
dc.identifier.tou http://libraries.lau.edu.lb/research/laur/terms-of-use/articles.php en_US
dc.identifier.url http://tribology.asmedigitalcollection.asme.org/article.aspx?articleid=2580766 en_US
dc.author.affiliation Lebanese American University en_US

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