A new shell element taking thickness-stretchability into account for mechanics-based springback compensation system

To reduce springback, the coining process is often applied in sheet metal forming. However, the finite element method with a conventional shell element cannot formulate this process because of the plane stress condition. Therefore, in this study, a new shell element, which has extra nodes called pse...

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Bibliographic Details
Main Authors: Arashiyama, Hibiki, Oya, Tetsuo, Ito, Koichi
Format: Conference Proceeding
Language:English
Subjects:
Coining
Compensation
Finite element method
Mechanics (physics)
Metal forming
Metal sheets
Plane stress
Shells
Springback
Stretchability
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Summary:To reduce springback, the coining process is often applied in sheet metal forming. However, the finite element method with a conventional shell element cannot formulate this process because of the plane stress condition. Therefore, in this study, a new shell element, which has extra nodes called pseudo-nodes, was developed to calculate the through-thickness stress. Using this element, a mechanics-based springback compensation system was constructed and tested.
ISSN:2261-236X
2274-7214
2261-236X
DOI:10.1051/matecconf/20168007004