### Journals Information

Universal Journal of Mechanical Engineering Vol. 5(1), pp. 1 - 8
DOI: 10.13189/ujme.2017.050101
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## Finite Volume Analysis with the MacCormack Method Applied to Metal Flow in Forward Extrusion

Marcelo Matos Martins 1,*, José Divo Bressan 2, Sérgio Tonini Button 3
1 Centre University Catholic of Santa Catarina, Brazil
2 Department of Mechanical Engineering, Centre for Technological Science, University of Santa Catarina State, Brazil
3 Department of Manufacturing and Materials Engineering, Faculty of Mechanical Engineering, University of Campinas, Brazil

ABSTRACT

Computational numerical simulation has been largely applied in the design and analysis of metal forming processes. Extrusion is one of the main forming processes largely applied in the manufacturing of metallic products or parts. Historically, the Finite Element Method (FEM) has been applied for decades in metal extrusion analysis. However, recently in the academy, there is a trend to use the Finite Volume Method (FVM), because literature suggests that metal flow by extrusion can be analyzed by the flow formulation. Thus, metal flow can be modelled as an incompressible viscous fluid. The MacCormack Method is commonly used to simulate compressible fluid flow by the FVM. However, metal extrusion does not present state equations to calculate the pressure, and therefore, a velocity-pressure coupling method is necessary to obtain consistent velocity and pressure fields. This work proposes a new numerical scheme to obtain information about metal flow in the extrusion process along the steady state. The governing equations were discretized by FVM, using the Explicit MacCormack Method to structured and collocated mesh. The SIMPLE Method was applied to attain pressure-velocity coupling. This new numerical scheme was applied to analyze forward extrusion of lead. The metal extrusion velocity fields were calculated with a fast convergence and presented a good agreement with analytical and experimental results obtained from literature.

KEYWORDS
Extrusion, Finite Volume Method, MacCormack Method, Manufacturing Process, Lead

Cite This Paper in IEEE or APA Citation Styles
(a). IEEE Format:
[1] Marcelo Matos Martins , José Divo Bressan , Sérgio Tonini Button , "Finite Volume Analysis with the MacCormack Method Applied to Metal Flow in Forward Extrusion," Universal Journal of Mechanical Engineering, Vol. 5, No. 1, pp. 1 - 8, 2017. DOI: 10.13189/ujme.2017.050101.

(b). APA Format:
Marcelo Matos Martins , José Divo Bressan , Sérgio Tonini Button (2017). Finite Volume Analysis with the MacCormack Method Applied to Metal Flow in Forward Extrusion. Universal Journal of Mechanical Engineering, 5(1), 1 - 8. DOI: 10.13189/ujme.2017.050101.