An elastohydrodynamic lubrication model for a rigid ball in contact with a transversely isotropic half-space is constructed. Reynolds equation, film thickness equation, and load balance equation are solved using the finite difference method, where the surface vertical displacement or deformation of transversely isotropic half-space is considered through the film thickness equation. The numerical methods are verified by comparing the displacements and stresses with those from Hertzian analytical solutions. Furthermore, the effects of elastic moduli, entertainment velocities, and lubricants on fluid pressure, film thickness, and von Mises stress are analyzed and discussed under a constant load. Finally, the modified Hamrock–Dowson equations for transversely isotropic materials to calculate central film thickness and minimum film thickness are proposed and validated.
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September 2019
Research-Article
An Efficient Numerical Model of Elastohydrodynamic Lubrication for Transversely Isotropic Materials
Zhanjiang Wang,
Zhanjiang Wang
1
Tribology Research Institute,
Department of Mechanical Engineering,
Chengdu 610031,
e-mail: wangzhanjiang001@gmail.com
Department of Mechanical Engineering,
Southwest Jiaotong University
,Chengdu 610031,
China
e-mail: wangzhanjiang001@gmail.com
1Corresponding author.
Search for other works by this author on:
Yinxian Zhang
Yinxian Zhang
Tribology Research Institute,
Department of Mechanical Engineering,
Chengdu 610031,
Department of Mechanical Engineering,
Southwest Jiaotong University
,Chengdu 610031,
China
Search for other works by this author on:
Zhanjiang Wang
Tribology Research Institute,
Department of Mechanical Engineering,
Chengdu 610031,
e-mail: wangzhanjiang001@gmail.com
Department of Mechanical Engineering,
Southwest Jiaotong University
,Chengdu 610031,
China
e-mail: wangzhanjiang001@gmail.com
Yinxian Zhang
Tribology Research Institute,
Department of Mechanical Engineering,
Chengdu 610031,
Department of Mechanical Engineering,
Southwest Jiaotong University
,Chengdu 610031,
China
1Corresponding author.
Contributed by the Tribology Division of ASME for publication in the Journal of Tribology. Manuscript received April 8, 2019; final manuscript received May 22, 2019; published online June 12, 2019. Assoc. Editor: Yonggang Meng.
J. Tribol. Sep 2019, 141(9): 091501 (11 pages)
Published Online: June 12, 2019
Article history
Received:
April 8, 2019
Revision Received:
May 22, 2019
Accepted:
May 22, 2019
Citation
Wang, Z., and Zhang, Y. (June 12, 2019). "An Efficient Numerical Model of Elastohydrodynamic Lubrication for Transversely Isotropic Materials." ASME. J. Tribol. September 2019; 141(9): 091501. https://doi.org/10.1115/1.4043902
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