Friction models comparison in finite volume method simulation of bulk metal forming technologies
Published 2008-12-26
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Keywords
- Finite Volume Method,
- Extrusion,
- Friction modelling,
- Coulomb’s friction,
- Constant friction law
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Abstract
In this paper, the finite volume method (FVM) is used to calculate process parameters during extrusion of metals. FVM is applied on two-dimensional orthogonal grids and collocated variable arrangement. The application of the FVM is done in case of solving the plastic flow during extrusion processes with different boundary conditions. The method of involving of the most frequently used friction models, Coulomb’s friction and constant friction law into the finite volume method algorithm is presented. The Eulerian description of motion to analyze of the metal flow is used. The obtained numerical results are in agreement with the theoretical considerations.