The stress field within machine components is an important indicator for contact failures. Since both thermal stresses due to frictional heating and plasticity are significant in engineering application, it is critical to predict the total stress field. In this work, the steady- state thermal effect is considered and a thermo-elastic-plastic contact model is developed. The model is applicable for rolling and/or sliding contact problem, as far as small equivalent plastic strain hypothesis is respected. Influence coefficients for surface normal displacement, temperature, and strain and stress tensors are used with the discrete convolution and fast Fourier transform algorithm. The single-loop conjugate gradient iteration scheme is also applied to achieve fast convergence speed. Simulations are presented for several academic examples ranging from elastic to thermoelastic-plastic.
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World Tribology Congress III
September 12–16, 2005
Washington, D.C., USA
Conference Sponsors:
- Tribology Division
ISBN:
0-7918-4201-0
PROCEEDINGS PAPER
Contact Analyses for Bodies With Frictional Heating and Plastic Behavior
Q. J. Wang,
Q. J. Wang
Northwestern University, Evanston, IL
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L. M. Keer
L. M. Keer
Northwestern University, Evanston, IL
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V. Boucly
INSA Lyon, Villeurbanne, France
D. Ne´lias
INSA Lyon, Villeurbanne, France
S. Liu
Northwestern University, Evanston, IL
Q. J. Wang
Northwestern University, Evanston, IL
L. M. Keer
Northwestern University, Evanston, IL
Paper No:
WTC2005-63156, pp. 221-222; 2 pages
Published Online:
November 17, 2008
Citation
Boucly, V, Ne´lias, D, Liu, S, Wang, QJ, & Keer, LM. "Contact Analyses for Bodies With Frictional Heating and Plastic Behavior." Proceedings of the World Tribology Congress III. World Tribology Congress III, Volume 1. Washington, D.C., USA. September 12–16, 2005. pp. 221-222. ASME. https://doi.org/10.1115/WTC2005-63156
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