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Abstract: A new method for design optimization of technological
variable in profile extrusion process is proposed, which integrates FE
simulation technique, artificial neural network and genetic algorithm
and lays out position of a non-symmetric angle aluminum profile
extrusion die. The comparison between computing results and experiment
ones indicated that the optimal modal is effective and correct. The
extrusion process is done by numerical simulation on the above base, the
mesh distortions of different stages of the extrusion process are
described in detail. The distributions of stress and strain fields are
also obtained. It is significant to direct the extrusion technology and
die designing of optimization.
Key words: Profile extrusion Parameters optimization Numerical
simulation Artificial neural network Genetic algorithm
CLC No: TG376
华中科技大学塑性成形及模具技术国家重点实验室开放基金(02-6)和江西省教育厅资助项目.
Received 20011106, received in revised form 20020401
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