Design and Weight Optimization of an Automobile Link - A Case Study

Paper #:
  • 2013-26-0078

Published:
  • 2013-01-09
DOI:
  • 10.4271/2013-26-0078
Citation:
Anwar, M., S, S., B, A., and Prasad, S., "Design and Weight Optimization of an Automobile Link - A Case Study," SAE Technical Paper 2013-26-0078, 2013, doi:10.4271/2013-26-0078.
Pages:
6
Abstract:
A case study was conducted on the design, optimization and material replacement for an automobile suspension link. The link is part of a four bar mechanism. The mechanism was developed in Adams/Car® and multibody simulation was carried out on it. The joint forces arrived from the simulation were exported for finite element analysis of the components in OptiStruct®. Finally, topology and shape optimization was conducted to reduce the weight of the original component. A feasibility study was also carried out to replace the fabricated steel link with a heat treated cast iron link. Heat treated cast iron being lighter than steel, ensures reduction in weight without compromising on strength. The experiment resulted in a feasible optimized shape which was 32% lighter than the current shape of the link being used in the vehicle, while keeping the stresses and displacements within limits.
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