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TECHNICAL PAPERS

Formulation and Analysis of EHL Problems for Soft Materials

[+] Author and Article Information
Ilya I. Kudish

Science & Mathematics Department, Kettering University, 1700 W. Third Avenue, Flint, MI 48504

J. Tribol 122(4), 705-710 (Dec 29, 1999) (6 pages) doi:10.1115/1.1286190 History: Received May 20, 1999; Revised December 29, 1999
Copyright © 2000 by ASME
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References

Kaneta,  M., Nishikawa,  H., Kameishi,  K., Sakai,  T., and Ohno,  N., 1992, “Effects of Elastic Moduli of Contact Surfaces in Elastohydrodynamic Lubrication,” ASME J. Tribol., 114, pp. 75–80.
Kaneta,  M., Nishikawa,  H., Kanada,  T., and Matsuda,  K., 1996, “Abnormal Phenomena Appearing in EHL Contacts,” ASME J. Tribol., 118, pp. 886–892.
Čermák,  J., 1998, “Abnormal Phenomena Appearing in EHL Contacts,” discussion on a previously published paper, ASME J. Tribol., 120, pp. 143–144.
Hamrock, B. J., 1991, “Fundamentals of Fluid Film Lubrication,” NASA Reference Publication 1255, Washington, D.C.
Kudish,  I. I., 1996, “Asymptotic Analysis of a Problem for a Heavily Loaded Lubricated Contact of Elastic Bodies. Pre and Over-critical Lubrication Regimes for Newtonian Fluids,” Dynam. Syst. Appl., 5, No. 3, pp. 451–478.
Galin, L. A., 1980, “Contact Problems in the Theory of Elasticity and Viscoelasticity,” Nauka, Publishing, Moscow.
Ayrapetov,  E. L., Kudish,  I. I., and Panovko,  M. Ya., 1992, “Numerical Solution of Heavily Loaded Elastohydrodynamic Contact,” Sov. J. Friction Wear, 13, No. 6, pp. 1–7.

Figures

Grahic Jump Location
The general view of the lubricated contact
Grahic Jump Location
(a) Distributions of pressure in a lubricated contact (V=0.1,Q=4) and Hertzian pressure in a dry contact; (b) gap distributions in a lubricated contact (V=0.1,Q=4).
Grahic Jump Location
(a) Distributions of pressure in a lubricated contact (V=0.1,Q=6.25) and Hertzian pressure in a dry contact; (b) gap distributions in a lubricated contact (V=0.1,Q=6.25).
Grahic Jump Location
(a) Distributions of pressure in a lubricated contact (ν1=0.3,ν2=0.1,m1=0.003,m2=0.25,A=0.1583,B=−0.5646,C=−0.1591,D=0.5629,s0=3.125,V=0.1,Q=4) and Hertzian pressure in a dry contact; (b) distributions of average velocity, gap, and frictional stress in a lubricated contact (ν1=0.3,ν2=0.1,m1=0.003,m2=0.25,A=0.1583,B=−0.5646,C=−0.1591,D=0.5629,s0=3.125,V=0.1,Q=4).
Grahic Jump Location
(a) Distributions of pressure in a lubricated contact (ν1,2=0.3,m1=0.003,m2=0.15,A=−C=0.3801,B=−D=−0.156,V=0.1,Q=6.25,s0=2) and Hertzian pressure in a dry contact; (b) distributions of average velocity, gap, and frictional stress in a lubricated contact (ν1,2=0.3,m1=0.003,m2=0.15,A=−C=0.3801,B=−D=−0.156,V=0.1,Q=6.25,s0=2).
Grahic Jump Location
(a) Distributions of pressure in a lubricated contact (ν1,2=0.3,m1=0.003,m2=0.15,A=C=0.00076,B=D=0.00312,V=0.1,Q=6.25,s0=−2); (b) distributions of average velocity, gap, and frictional stress in a lubricated contact (ν1,2=0.3,m1=0.003,m2=0.15,A=C=0.00076,B=D=0.00312,V=0.1,Q=6.25,s0=−2).
Grahic Jump Location
Distributions of average velocity, gap, and frictional stress in a lubricated contact (ν1=0.3,ν1=0.1,m1=0.003,m2=0.25,A=0.06262,B=−0.21844,C=−0.06125,D=0.22156,V=0.1,Q=4,s0=0)
Grahic Jump Location
Distributions of average velocity, gap, and frictional stress in a lubricated contact (ν1=0.3,ν1=0.1,m1=0.003,m2=0.25,A=0.13542,B=−0.48166,C=−0.13569,D=0.48084,V=0.1,Q=4,s0=2.375)

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