ME 6242 Mechanics of Contact

ME 6242: Mechanics of Contact
Offered Every Fall

Credit Hours:	3-0-3
Prerequisites:	ME 6201, Principles of Continuum Mechanics
Catalog Description:	Mechanics of surface contact, with emphasis on tribological interactions as in rolling element bearings, slider bearings, mechanical seals, and materials processing.
Textbooks:	K. L. Johnson, Contact Mechanics, Cambridge University Press, 1987. I. M. Hutchings, Tribology: Friction and Wear of Engineering Materials, 1st Edition, CRC Press, 1994.
Instructors:	Jeffrey Streator (Fall 2003), David McDowell, Richard Neu (Fall 2003)

References:

S. P. Timoshenko and J. N. Goodier, Theory of Elasticity, 3rd edition, McGraw-Hill.
R. Bayer, Mechanical Wear Prediction and Prevention, Marcel Dekker.
E. Rabinowicz, Friction and Wear of Materials, 2nd edition, J. Wiley, Inc.

Goals:

The course seeks to introduce students to the mechanics of surface contact, with emphasis on tribological interactions, such as those present in rolling element bearings, dry and boundary-lubricated slider bearings, mechanical seals, and materials processing.

Prerequisites by Topic:

Continuum mechanics
Mechanical behavior of materials.

Topics (in order of presentation):

Equations of elasticity
Hertzian contact
Non-Hertzian elastic contact
Contact of rough surfaces
Normal contact of inelastic solids
Wear mechanisms .
Tangential loading and sliding contact
Rolling contact and rolling friction
Thermoelastic contact

Computer Usage:

Several homework problems requiring basic numerical analysis.
Two homework assignments requiring finite element analysis via available commercial software.
Two homework assignments requiring Fast Fourier Transform calculations.

Grading:

Hwk	15%
Exam 1	25%
Exam 2	25%
Final	35%

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Revised June 2004