Abstract
This paper studies car disc brake squeal by transient analysis and details the first attempt to combine heat conduction analysis, contact analysis and transient analysis of disc brake squeal. The contact pressure at the disc/pads interface is first computed, and the information is used to define friction-induced heat flux. Its resultant heat conduction is then analysed. Finally, transient analysis is performed, considering the influence on squeal generation of contact pressure distribution affected by brake pad surface roughness and thermal deformation. A noticeable difference is found between the dynamic responses obtained with the thermal effect from those without the thermal effect.
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