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Three-dimensional finite element analysis of hot square die extrusion by using split ALE method
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 Title & Authors
Three-dimensional finite element analysis of hot square die extrusion by using split ALE method
Kang, Yeon-Sick; Yang, Dong-Yol;
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 Abstract
In the analysis of metal forming process, ALE(Arbitrary Lagrangian Eulerian) finite element methods have been increasingly used for the capability to control mesh independently from material flow. The methods can be divided into two groups i.e., coupled and split formulations. In the present work, the split ALE formulation is used for computational efficiency. A split ALE finite element method developed for rigid-viscoplastic materials and applied to the analysis of hot square die extrusion. Since thermal state greatly affects the product quality, an ALE scheme for temperature analysis is also presented. As computational examples, profile shapes as square and cross-like sections are chosen.
 Keywords
Split ALE Method;Temperature Analysis;Square Die Extrusion;
 Language
Korean
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