Using the solid-shell element to model the roll forming of large radii profiles

Abvabi, Akbar, Rolfe, Bernard, Larranaga, Jon, Glados, Lander, Yang, Chunhui and Weiss, Matthias 2012, Using the solid-shell element to model the roll forming of large radii profiles, in Steel Research Journal : Proceedings of the 14th International Conference on Metal Forming, Wiley, London, England, pp. 711-714.

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Title Using the solid-shell element to model the roll forming of large radii profiles
Author(s) Abvabi, Akbar
Rolfe, Bernard
Larranaga, Jon
Glados, Lander
Yang, Chunhui
Weiss, Matthias
Conference name Metal Forming. Conference (14th : 2012 : Krakow, Poland)
Conference location Krakow, Poland
Conference dates 16-19 Sep. 2012
Title of proceedings Steel Research Journal : Proceedings of the 14th International Conference on Metal Forming
Editor(s) [Unknown]
Publication date 2012
Conference series International Conference on Metal Forming
Start page 711
End page 714
Total pages 4
Publisher Wiley
Place of publication London, England
Keyword(s) roll forming
V-Section
DP steel
finite element simulation
solid-shell element
Summary Roll forming is an incremental bending process for forming metal sheet, strip or coiled stock. Although Finite Element Analysis (FEA) is a standard tool for metal forming simulation, it is only now being increasingly used for the analysis of the roll forming process. This is because of the excessive computational time due to the long strip length and the multiple numbers of stands that have to be modelled. Typically a single solid element is used through the thickness of the sheet for roll forming simulations. Recent investigations have shown that residual stresses introduced during steel processing may affect the roll forming process and therefore need to be included in roll forming simulations. These residual stresses vary in intensity through the thickness and this cannot be accounted for by using only one solid element through the material thickness, in this work a solid-shell element with an arbitrary number of integration points has been used to simulate the roll forming process. The system modelled is that of roll forming a V-channel with dual phase DP780 sheet steel. In addition, the influence of other modelling parameters, such as friction, on CPU time is further investigated. The numerical results are compared to experimental data and a good correlation has been observed. Additionally the numerical results show that the CPU time is reduced in the model without friction and that considering friction does not have a significant effect on springback prediction in the numerical analysis of the roll forming process.
ISBN 9783514007970
Language eng
Field of Research 091307 Numerical Modelling and Mechanical Characterisation
091308 Solid Mechanics
091207 Metals and Alloy Materials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category E2.1 Full written paper - non-refereed / Abstract reviewed
Copyright notice ©2012, Wiley
Persistent URL http://hdl.handle.net/10536/DRO/DU:30060728

Document type: Conference Paper
Collections: School of Engineering
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