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A fully coupled 3D finite element analysis for a bump-type compliant foil bearing

Aksoy, Serdar and Coşkun, Mustafa Bulut and Akşit, Mahmut Faruk (2012) A fully coupled 3D finite element analysis for a bump-type compliant foil bearing. In: The ASME/STLE 2011 International Joint Tribology Conference (IJTC2011), Los Angeles, California, USA

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Official URL: http://www.asmeconferences.org/IJTC2011/

Abstract

A bump-type foil bearing consists of a compliant corrugated sheet metal supporting structure that is covered by a thin top foil surface. Bumps serve as stiffener and damping elements to increase the stability of the system while top foil creates necessary wedge surface for aerodynamic film formation. Foil bearings are hard to analyze as flexible foil surface deforms and changes shape while aerodynamic film pressure forms. Fully coupled finite element approach is presented. To increase the accuracy, the geometry is discretized with quadratic hexagonal elements. The gas film is modeled by compressible Reynolds equation. The effect of velocity on load capacity will be investigated to reveal the performance of the code.

Item Type:Papers in Conference Proceedings
Uncontrolled Keywords:Bearings, High Speed, Tribology
Subjects:T Technology > TJ Mechanical engineering and machinery
T Technology > TL Motor vehicles. Aeronautics. Astronautics
ID Code:18849
Deposited By:Mahmut Faruk Akşit
Deposited On:19 Mar 2012 15:14
Last Modified:04 Jul 2014 11:38

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