Optimisation of Tubular Hydroforming Processes for Wrinkling and Thinning Control

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This paper is focused on the development and implementation of an innovative optimisation algorithm for the wrinkling and thinning control during the hydroforming of complex metallic parts. A straightforward numerical algorithm for simultaneous tracking and evaluation of the initiation of wrinkling/thinning defects was implemented, together with a numerical simulation program based on the Finite Element Method (FEM). After undesirable wrinkling/thinning patterns are identified during FEM simulation, the developed optimisation procedure (called Hybrid Differential Evolution Particle Swarm Optimisation - HDEPSO) is responsible to automatically correct the process input parameters, in order to achieve the successful forming of the desired part. In the end, the combined procedure (optimisation methodology + FEM) proved to be able to lead to a suitable numerical simulation and design tool for industrial hydroformed metallic tubular parts.

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Periodical:

Main Theme:

Edited by:

J.R. Duflou, R. Clarke, M. Merklein, F. Micari, B. Shirvani and K. Kellens

Pages:

159-167

DOI:

10.4028/www.scientific.net/KEM.473.159

Citation:

J. F.M. Caseiro et al., "Optimisation of Tubular Hydroforming Processes for Wrinkling and Thinning Control", Key Engineering Materials, Vol. 473, pp. 159-167, 2011

Online since:

March 2011

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$35.00

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