Skip to Main Content
 

Global Search Box

 
 
 
 

Files

File List


case1054649733.pdf (1.26 MB)

ETD Abstract Container

Abstract Header

On the numerical solution of the dynamically loaded hydrodynamic lubrication of the point contact problem

Lim, Sang Gyu
http://rave.ohiolink.edu/etdc/view?acc_num=case1054649733

Abstract Details

1990, Doctor of Philosophy, Case Western Reserve University, Mechanical Engineering.
The transient analysis of the hydrodynamic lubrication of a point-contact is presented. A body-fitted coordinate system is introduced to transform the physical domain, enabling the use of the Newton-Raphson method for determining pressures and locating the cavitation boundary, where the Reynolds boundary condition is specified. In order to obtain the transient solution, an explicit Euler method is used to effect a time march. Computations were performed on the CRAY-XMP. The transient dynamic load is a sinusoidal function of time with frequency, fractional loading, and mean load as parameters. Results include the variation of the minimum film thickness and phase-lag with time as functions of excitation frequency. The results are compared with the analytic solution to the transient step bearing problem with the same dynamic loading function. The similarities of the results suggest an approximate model of the point contact minimum film thickness solution.
Joseph Prahl (Advisor)
86 p.
numerical solution dynamically loaded hydrodynamic lubrication point contact problem

Recommended Citations

Citations

  • Lim, S. G. (1990). On the numerical solution of the dynamically loaded hydrodynamic lubrication of the point contact problem [Doctoral dissertation, Case Western Reserve University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=case1054649733

    APA Style (7th edition)

  • Lim, Sang. On the numerical solution of the dynamically loaded hydrodynamic lubrication of the point contact problem. 1990. Case Western Reserve University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=case1054649733.

    MLA Style (8th edition)

  • Lim, Sang. "On the numerical solution of the dynamically loaded hydrodynamic lubrication of the point contact problem." Doctoral dissertation, Case Western Reserve University, 1990. http://rave.ohiolink.edu/etdc/view?acc_num=case1054649733

    Chicago Manual of Style (17th edition)

case1054649733
617
© 1990, all rights reserved.
This open access ETD is published by Case Western Reserve University School of Graduate Studies and OhioLINK.