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International Journal of Automotive Technology > Volume 18(6); 2017 > Article
International Journal of Automotive Technology 2017;18(6): 1027-1035.
doi: https://doi.org/10.1007/s12239-017-0100-y
COUPLED THERMO-MECHANICAL ANALYSIS AND SHAPE OPTIMIZATION FOR REDUCING UNEVEN WEAR OF BRAKE PADS
Myeong Jae Han1, Chul Hyung Lee1, Tae Won Park1, Jung Min Park4, Sung Min Son5
1Ajou University
4Korea Automotive Technology Institute
5E. S. Brake
ABSTRACT
In vehicle braking systems, the non-uniform contact pressure distribution on the brake pad is a major cause of uneven wear. The experimental approach of the wear phenomenon is the time consuming and costly. For this reason, a threedimensional finite element (FE) model of a brake system is presented for numerical simulation in this paper. A coupled thermo-mechanical analysis is carried out to confirm the non-uniform contact pressure distribution. A correlation between the non-uniform contact pressure and uneven wear is confirmed by measuring the amount of wear in the brake pad. The shape optimization of the brake pad is performed to reduce the uneven wear. In addition, the simulation results, such as natural frequency and temperature, are compared to experimental results.
Key Words: Coupled thermo-mechanical analysis, Contact pressure distribution, Uneven wear, Shape optimization, Brake dynamometer test
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