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http://dx.doi.org/10.3795/KSME-A.2012.36.9.1073

Comparative Study on Description Schemes to Perform Finite Element Analysis in Incremental Forming Process  

Park, Jun-Soo (Dept. of Mechanical Engineering, Dong-A Univ.)
Byon, Sang-Min (Dept. of Mechanical Engineering, Dong-A Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.36, no.9, 2012 , pp. 1073-1080 More about this Journal
Abstract
Incremental forming is a cold working process in which a small part of the material is being deformed and the area of local deformation is moving over the entire material. In this paper, we study description schemes to perform finite element analysis for the incremental forming. The selected description schemes to examine are the Lagrangian description and the arbitrary Lagrangian-Eulerian (ALE) description. The sliding boundary scheme coupled with ALE is also examined to overcome the distortion problems of elements on the contact surface. Results show that the ALE description with the sliding boundary scheme is most favorable in overcoming the distortion of elements. This description leads to make the simulation continued to the final stage of the incremental forming. On the other hand, the Lagrangian description as well as the original ALE description makes the elements much distorted and the analysis is stopped long before arriving at the final shape of deformation.
Keywords
Incremental Forming; Description Scheme; Finite Element Analysis; Lagrangian Description; ALE Description;
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