Published in Engineering Computations Vol. 9 (5), pp. 547-559, 1992
doi: 10.1108/eb023883

Abstract

The pseudo‐concentration method is applied to the analysis of transient processes. A simple, easy‐to‐handle model is obtained by keeping an Eulerian description: it does not require remeshing after a certain amount of plastic deformation. The range of applicability of the method is extended to non‐confined (even with several free surfaces) processes. It is shown the need of distinct handling of free surfaces according to their orientation to the direction of the flow. A seamless tube rolling process, a cylinder upsetting and a backward extrusion are modelled. Experimental data and results obtained by other methods are used to compare and discuss the performance of the model.

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Published on 28/02/19
Submitted on 20/02/19

DOI: 10.1108/eb023883
Licence: CC BY-NC-SA license

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