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Author:
M. Mirzaali   G.H. Liaghat   H. Moslemi Naeini   S.M.H. Seyedkashi   K. Shojaee  


Journal:
Procedia Engineering


Issue Date:
2011


Abstract(summary):

In this paper, forming parameters of tube hydroforming (THF) process are investigated and optimized using Simulated Annealing optimization algorithm linked with a finite element commercial code. The goal of this research is to obtain the maximum formability of two dimensional (2D) axisymmetric tubes under a failure criteria based on material's forming limit diagram (FLD). The initial approximated pressure loading path is determined by proved theoretical equations. Then the Simulated Annealing algorithm written in Matlab software is combined with a nonlinear structural finite element code ANSYS/ LS-DYNA in order to optimize internal hydraulic pressure. The results are compared by experimental observations and a good agreement was observed between them.


Page:
3012-3019


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