Metamodelling techniques for the optimisation of metal forming processes

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Bonte, M.H.A. and Boogaard, A.H. van den and Huetink, J. (2005) Metamodelling techniques for the optimisation of metal forming processes. In: Eighth ESAFORM Conference on Material Forming, 27-29 April 2005, Cluj-Napoca, Romania.

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Abstract:An optimisation algorithm for the optimisation of metal forming processes is proposed. The algorithm
can be classified as a sequential approximate optimisation algorithm and incorporates both Response
Surface Methodology (RSM) and Design and Analysis of Computer Experiments (DACE) metamodelling techniques.
RSM is based on fitting lower order polynomial by least-squares regression, whereas DACE uses
Kriging interpolation functions as metamodels. The proposed optimisation algorithm has been used to obtain
the optimised internal pressure and axial feeding load paths to minimise wall thickness variations in a hydroformed
product. The results are satisfactory, which shows the good applicability of metamodelling techniques
to optimise metal forming processes
Item Type:Conference or Workshop Item
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Engineering Technology (CTW)
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Link to this item:http://purl.utwente.nl/publications/59534
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