Williams, A.J., Croft, T.N. and Cross, M. (2002) Computational modelling of metal extrusion and forging processes. Journal of Materials Processing Technology, 125-6. pp. 573-582. ISSN 0924-0136 (doi:https://doi.org/10.1016/S0924-0136(02)00401-6)

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Abstract

The computational modelling of extrusion and forging processes is now well established. There are two main approaches: Lagrangian and Eulerian. The first has considerable complexities associated with remeshing, especially when the code is parallelised. The second approach means that the mould has to be assumed to be entirely rigid and this may not be the case. In this paper, a novel approach is described which utilises finite volume methods on unstructured meshes. This approach involves the solution of free surface non-Newtonian fluid flow equations in an Eulerian context to track the behaviour of the workpiece and its extrusion/forging, and the solution of the solid mechanics equations in the Lagrangian context to predict the deformation/stress behaviour of the die. Test cases for modelling extrusion and forging problems using this approach will be presented.

Item Type:	Article
Additional Information:	[1] First published online: 14 June 2002. [2] Published in print: 9 September 2002. [3] Vol. 123-126
Uncontrolled Keywords:	finite volume, extrusion, forging
Subjects:	Q Science > QA Mathematics > QA76 Computer software T Technology > TN Mining engineering. Metallurgy
Pre-2014 Departments:	School of Computing & Mathematical Sciences School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis > Computational Science & Engineering Group
Related URLs:	Publisher Organisation
Last Modified:	14 Oct 2016 09:00
URI:	http://gala.gre.ac.uk/id/eprint/564

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