Minimizing the risk of failure in a sheet metal forming process. Optimization using space mapping with one-step and incremental solvers

Minimizing the risk of failure in a sheet metal forming process. Optimization using space mapping with one-step and incremental solvers

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Article ID: iaor20062764
Country: Germany
Volume: 31
Issue: 4
Start Page Number: 320
End Page Number: 332
Publication Date: Apr 2006
Journal: Structural and Multidisciplinary Optimization
Authors: ,
Keywords: quality & reliability, risk
Abstract:

In the present paper, an optimization technique has been used to minimize the risk of failure in a sheet metal forming process. Two different types of finite element solvers, one using total plasticity and the other using incremental plasticity, have been used. A comparison between response surface methodology and space mapping (SM) with the one-step solver as surrogate model has been done. The conclusion of this study is that the use of the total plasticity theory drastically reduces the required computing time. Furthermore, the solution from the SM optimization algorithm is close to the solution obtained by the incremental plasticity solver.

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