Sangam: A Confluence of Knowledge Streams

Convergence of (Soft) Elastohydrodynamic Lubrication Simulations of Textured Slider Bearings

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dc.creator Allen, Quentin
dc.creator Raeymaekers, Bart
dc.date 2023-02-24T15:48:26Z
dc.date 2023-02-24T15:48:26Z
dc.date 2023-02-21
dc.date 2023-02-24T14:08:04Z
dc.date.accessioned 2023-03-01T18:53:11Z
dc.date.available 2023-03-01T18:53:11Z
dc.identifier Allen, Q.; Raeymaekers, B. Convergence of (Soft) Elastohydrodynamic Lubrication Simulations of Textured Slider Bearings. Lubricants 2023, 11, 92.
dc.identifier http://hdl.handle.net/10919/113945
dc.identifier https://doi.org/10.3390/lubricants11030092
dc.identifier.uri http://localhost:8080/xmlui/handle/CUHPOERS/281696
dc.description We study the convergence of elastohydrodynamic lubrication (EHL) simulations of textured slider bearings. EHL simulations are computationally expensive because the equations that describe the lubricant film pressure and the deformation of the bearing surfaces are coupled and, thus, must be solved simultaneously. Additional simulation requirements, such as maintaining a specific bearing load-carrying capacity or lubricant film thickness, further increase the computational cost because they impose additional constraints or add equations that must converge simultaneously with those that describe the lubricant film pressure and bearing surface deformation. We methodically quantify the convergence of EHL simulations of textured slider bearings as a function of simulation parameters, including different convergence metrics and criteria, but also cavitation models, texture design parameters, and bearing operating parameters. We conclude that the interplay between discretization, the convergence metric, and the convergence criterion must be carefully considered to implement numerical simulations that converge to the correct physical solution. Our analysis also illustrates that a well-designed convergence study can minimize the computational cost.
dc.description Published version
dc.format application/pdf
dc.format application/pdf
dc.language en
dc.publisher MDPI
dc.rights Creative Commons Attribution 4.0 International
dc.rights http://creativecommons.org/licenses/by/4.0/
dc.title Convergence of (Soft) Elastohydrodynamic Lubrication Simulations of Textured Slider Bearings
dc.title Lubricants
dc.type Article - Refereed
dc.type Text


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