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Lightweight Design of a Brake Caliper

[+] Author Affiliations
Federico Maria Ballo, Massimiliano Gobbi, Giampiero Mastinu, Amir Pishdad

Politecnico di Milano, Milan, Italy

Paper No. DETC2013-12431, pp. V001T01A010; 10 pages
  • ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 1: 15th International Conference on Advanced Vehicle Technologies; 10th International Conference on Design Education; 7th International Conference on Micro- and Nanosystems
  • Portland, Oregon, USA, August 4–7, 2013
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-5584-3
  • Copyright © 2013 by ASME


As lightweight design assumes greater importance in road vehicles development, the present paper is mainly devoted to the structural optimization of a brake caliper.

In the first part of the study a simplified finite element model based on beam elements of a brake caliper has been developed and validated.

By using the developed model, a multi-objective optimization has been completed. The total mass of the caliper and the deformations at some critical locations have been minimised. The considered design variables are related to the shape of the caliper and the cross sections of the beam elements.

The obtained optimal solutions are characterized by an asymmetric shape of the caliper. Optimised symmetric shapes currently used have been compared with the asymmetric ones in terms of performance.

In the second part of the study, a detailed analysis on the optimal caliper shape has been carried out by performing a structural topology optimization.

The minimum compliance problem has been solved using the SIMP (solid isotropic material with penalization) approach and the optimal solution has been compared with the ones obtained by applying the multi-objective optimization on the simplified model (beam elements).

The obtained design solutions represent a good starting point for future developments in actual industrial applications.

Copyright © 2013 by ASME
Topics: Design , Brakes



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