Thermal Stress Analysis On Heavy Truck Disc Brake Rotor Using Finite Element Analysis (ABAQUS)

Ruseli, Kien (2009) Thermal Stress Analysis On Heavy Truck Disc Brake Rotor Using Finite Element Analysis (ABAQUS). Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Braking system is the most important component in all kinds of vehicles. While braking, most of the kinetic energy is converted into thermal energy and increase the disc temperature. Problems such as premature wear of brake pads and thermal cracking of brake discs are attributed to high temperatures. Consequently controlling the temperature profiles and thermal stresses are critical to proper functioning of the braking system. This research project consists of thermal stress analysis on heavy truck brake disc rotor for steady state & transient analysis. The variation of thickness will cause the thermal stress occur during the friction between the pad and disc. The dissipated heat transfer during the periodic braking via conduction, convection and radiation which also affected the thermal distribution of rotor. To determine the thermal stress analysis of brake disc rotor, transient finite element techniques are used to characterize the temperature fields of the ventilated rotor with appropriate thermal boundary conditions. In order to get the stable and accurate result of element size, time step selection is very important and all these aspects are discussed in this paper. The findings of this research provide a useful design tool and improve the brake performance of disc brake system.

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