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TECHNICAL PAPERS

Finite Element Analysis of Dynamically Loaded Journal Bearings: Influence of the Bolt Preload

[+] Author and Article Information
Fabrizio A. Stefani, Alessandro U. Rebora

University of Genoa, Department of Mechanics and Machine Design, Via all’Opera Pia 15 A-16145 Genova, Italy

J. Tribol 124(3), 486-493 (May 31, 2002) (8 pages) doi:10.1115/1.1454102 History: Revised May 29, 2001; Received December 07, 2001; Online May 31, 2002
Copyright © 2002 by ASME
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References

Reddi,  M. M., 1969, “The Finite Element Solution of the Incompressible Lubrication Problem,” ASME J. Lubr. Technol., 91, pp. 524–533.
Booker,  J. F., and Huebner,  K. H., 1972, “Application of Finite Element Methods to Lubrication: An Engineering Approach,” ASME J. Lubr. Technol., 94, pp. 313–323.
LaBouff,  G. A., and Booker,  J. F., 1985, “Dynamically Loaded Journal Bearings: A Finite Element Treatment for Rigid and Elastic Surfaces,” ASME J. Tribol., 107, pp. 505–515.
Goenka,  P. K., and Oh,  K. P., 1986, “The Elastohydrodynamic Solution of a Journal Bearing Under Dynamic Loading,” ASME J. Tribol., 107, pp. 389–395.
McIvor,  J. D. C., and Fenner,  D. N., 1989, “Finite Element Analysis of Dynamically Loaded Flexible Journal Bearings: A Fast Newton-Raphson Method,” ASME J. Tribol., 111, pp. 597–604.
Fantino, B., 1981, “Influence des defauts de forme et des deformations elastiques des surfaces en lubrification hydrodynamique sous charges statiques et dynamiques,” These No. 1-DE-8122, INSA de Lyon, France.
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Mc Ivor,  J. D. C., and Fenner,  D. N., 1988, “An Evaluation of Eight-Node Quadrilateral Finite Elements for the Analysis of a Dynamically Loaded Journal Bearing,” Proc. I. Mech. Eng., 202, No. C2, pp. 95–101.
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Figures

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Finite element structural model of the Ruston and Hornsby 6 VEB-X Mk III big end bearing
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Rigid and reference elastic bearing journal orbits
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Cyclic variation of minimum film thickness for the rigid and the reference elastic bearing compared to Mc Ivor results
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Cyclic variation of peak film pressure for the rigid and the reference elastic bearing compared to Mc Ivor results
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Elastic bearing journal orbits for 0% and 100% nominal bolt stress
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Cyclic variation of minimum film thickness for 0%, 60% and 100% nominal bolt stress
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Cyclic variation of peak film pressure for 0%, 60% and 100% nominal bolt stress
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Cyclic variation of side flow for 0%, 60% and 100% nominal bolt stress
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Cyclic variation of power loss for 0%, 60%, and 100% nominal bolt stress
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Bolt preload induced initial displacement

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