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Title: An integrated FEM and ANN methodology for metal-formed product design
Authors: Chan, WL
Fu, MW 
Lu, J
Keywords: Artificial neural network
Design solution evaluation
Die design
FEM simulation
Metal forming
Metal-formed product design
Issue Date: 2008
Publisher: Pergamon Press
Source: Engineering applications of artificial intelligence, 2008, v. 21, no. 8, p. 1170-1181 How to cite?
Journal: Engineering applications of artificial intelligence 
Abstract: In the traditional metal-formed product development paradigm, the design of metal-formed product and tooling is usually based on heuristic know-how and experiences, which are generally obtained through long years of apprenticeship and skilled craftsmanship. The uncertainties in product and tooling design often lead to late design changes. The emergence of finite element method (FEM) provides a solution to verify the designs before they are physically implemented. Since the design of product and tooling is affected by many factors and there are many design variables to be considered, the combination of those variables comes out with various design alternatives. It is thus not pragmatic to simulate all the designs to find out the best solution as the coupled simulation of non-linear plastic flow of billet material and tooling deformation is very time-consuming. This research is aimed to develop an integrated methodology based on FEM simulation and artificial neural network (ANN) to approximate the functions of design parameters and evaluate the performance of designs in such a way that the optimal design can be identified. To realize this objective, an integrated FEM and ANN methodology is developed. In this methodology, the FEM simulation is first used to create training cases for the ANN(s), and the well-trained ANN(s) is used to predict the performance of the design. In addition, the methodology framework and implementation procedure are presented. To validate the developed technique, a case study is employed. The results show that the developed methodology performs well in estimation and evaluation of the design.
ISSN: 0952-1976
EISSN: 1873-6769
DOI: 10.1016/j.engappai.2008.04.001
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