The squeeze film force in a circular Newtonian squeeze film has been theoretically predicted by using the elliptical velocity profile assumption in the squeeze film by three different approximation methods. As examples, the numerical results for the sinusoidal squeeze motion, constant velocity squeezing state, and constant force squeezing state have been obtained and the results have been found to be in good agreement with those obtained using experimental test coefficients predicted by the spectral analysis techniques for Newtonian circular squeeze film geometry. The validity of applying the energy integral method (EIM) or the successive approximation method (SAM) has been justified and the effectiveness of EIM or SAM in predicting squeeze film force using the elliptical velocity profile assumption in the squeeze film for large-amplitude motion has been demonstrated.
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January 2003
Brief Notes
Squeeze Film Force Using an Elliptical Velocity Profile
R. Usha,
e-mail: ushar@iitm.ac.in
R. Usha
Department of Mathematics, Indian Institute of Technology, Madras, Channei 600 036, India
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P. Vimala
P. Vimala
Department of Mathematics, Indian Institute of Technology, Madras, Channei 600 036, India
Search for other works by this author on:
R. Usha
Department of Mathematics, Indian Institute of Technology, Madras, Channei 600 036, India
e-mail: ushar@iitm.ac.in
P. Vimala
Department of Mathematics, Indian Institute of Technology, Madras, Channei 600 036, India
Contributed by the Applied Mechanics Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF APPLIED MECHANICS. Manuscript received by the ASME Applied Mechanics Division June 2, 2000, final revision, August 26, 2002. Associate Editor: K. T. Ramesh.
J. Appl. Mech. Jan 2003, 70(1): 137-142 (6 pages)
Published Online: January 23, 2003
Article history
Received:
June 2, 2000
Revised:
August 26, 2002
Online:
January 23, 2003
Citation
Usha , R., and Vimala , P. (January 23, 2003). "Squeeze Film Force Using an Elliptical Velocity Profile ." ASME. J. Appl. Mech. January 2003; 70(1): 137–142. https://doi.org/10.1115/1.1526124
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