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Structural and Thermal Analysis of Automotive Disc Brake Rotor

Ali Belhocine
  • Corresponding author
  • Department of Mechanical Engineering, USTO Oran University, L.P 1505 El-Mnaouer, USTO 31000 Oran, Algeria
  • Email:
/ Mostefa Bouchetara
  • Department of Mechanical Engineering, USTO Oran University, L.P 1505 El-Mnaouer, USTO 31000 Oran, Algeria
Published Online: 2014-05-17 | DOI: https://doi.org/10.2478/meceng-2014-0005


The main purpose of this study is to analyze the thermomechanical behavior of the dry contact between the brake disc and pads during the braking phase. The simulation strategy is based on softawe ANSYS11. The modeling of transient temperature in the disc brake is actually used to identify the factor of geometric design of the disc to install the ventilation system in vehicles. The thermal-structural analysis is then used with coupling to determine the deformation established and the Von Mises stress in the disc, the contact pressure distribution in pads. The results are satisfactory compared to those of the specialized literature.


Głównym celem pracy jest analiza zjawisk termomechanicznych w obszarze suchego styku pomiedzy tarcza hamulca a klockiem ciernym wystepujacych w fazie hamowania. Strategia symulacji jest oparta na oprogramowaniu ANSYS11. Wyniki modelowania stanów przejsciowych temperatury w tarczy hamulca wykorzystano do identyfikacji geometrycznych współczynników projektowych, uzytych do instalacji systemu wentylacji. Sprzezona analiza strukturalno-termiczna jest nastepnie uzyta do wyznaczenia deformacji tarczy, naprezenia Von Misses’a, oraz rozkładu cisnienia kontaktowego w klockach ciernych. Wyniki analizy wykazuja zadowalajaca zgodnosc z podobnymi podawanymi w literaturze.

Keywords : brake discs; pads; heat flux; heat-transfer coefficient; Von Mises stress; contact pressure


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About the article

Received: 2013-10-15

Published Online: 2014-05-17

Published in Print: 2014-03-01

Citation Information: Archive of Mechanical Engineering, ISSN (Online) 0004-0738, DOI: https://doi.org/10.2478/meceng-2014-0005. Export Citation

© by Ali Belhocine. This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY-NC-ND 3.0)

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