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Review of approximate analyses of sheet forming processes

Weiss, Matthias, Rolfe, Bernard, Yang, Chunhui, De Souza, Tim and Hodgson, Peter 2011, Review of approximate analyses of sheet forming processes, in NUMISHEET 2011 : American Institute of Physics Conference Proceedings, American Institute of Physics, [Seoul, Korea], pp. 986-996.

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Title Review of approximate analyses of sheet forming processes
Author(s) Weiss, MatthiasORCID iD for Weiss, Matthias orcid.org/0000-0002-1845-6343
Rolfe, BernardORCID iD for Rolfe, Bernard orcid.org/0000-0001-8516-6170
Yang, Chunhui
De Souza, Tim
Hodgson, Peter
Conference name International Conference and Workshop on Numerical Simulation of 3D Sheet Metal Forming Processes (8th : 2011 : Seoul, Korea)
Conference location Seoul, Korea
Conference dates 21-26 Aug. 2011
Title of proceedings NUMISHEET 2011 : American Institute of Physics Conference Proceedings
Editor(s) [Unknown]
Publication date 2011
Start page 986
End page 996
Publisher American Institute of Physics
Place of publication [Seoul, Korea]
Keyword(s) analytical modelling
hydroforming
laminates
roll forming
stamping
Summary Approximate models are often used for the following purposes: in on-line control systems of metal forming processes where calculation speed is critical; to obtain quick, quantitative information on the magnitude of the main variables in the early stages of process design; to illustrate the role of the major variables in the process; as an initial check on numerical modelling; and as a basis for quick calculations on processes in teaching and training packages. The models often share many similarities; for example, an arbitrary geometric assumption of deformation giving a simplified strain distribution, simple material property descriptions - such as an elastic, perfectly plastic law - and mathematical short cuts such as a linear approximation of a polynomial expression. In many cases, the output differs significantly from experiment and performance or efficiency factors are developed by experience to tune the models. In recent years, analytical models have been widely used at Deakin University in the design of experiments and equipment and as a pre-cursor to more detailed numerical analyses. Examples that are reviewed in this paper include deformation of sandwich material having a weak, elastic core, load prediction in deep drawing, bending of strip (particularly of ageing steel where kinking may occur), process analysis of low-pressure hydroforming of tubing, analysis of the rejection rates in stamping, and the determination of constitutive models by an inverse method applied to bending tests.
Notes The following article appeared in Review of Approximate Analyses of Sheet Forming Processes Matthias Weiss, Bernard Rolfe, Chunhui Yang, Tim de Souza, and Peter Hodgson, AIP Conf. Proc. 1383, 986 (2011), DOI:10.1063/1.3623712 and may be found at the link provided below.
ISBN 0735409447
9780735409446
ISSN 0094-243X
Language eng
Field of Research 091006 Manufacturing Processes and Technologies (excl Textiles)
Socio Economic Objective 861205 Sheet Metal Products
HERDC Research category E2 Full written paper - non-refereed / Abstract reviewed
Copyright notice ©2011, American Institute of Physics
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30042259

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.