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TECHNICAL PAPERS

Incorporation of Sheet-Forming Effects in Crash Simulations Using Ideal Forming Theory and Hybrid Membrane and Shell Method

[+] Author and Article Information
Hansun Ryou, Kwansoo Chung, Jae Ryoun Youn, Tae Jin Kang

School of Materials Science and Engineering, Seoul National University, 56-1 Shinlim-Dong, Kwanak-Ku, Seoul, 151-742, Korea

Jeong-Whan Yoon

Alcoa Technical Center, 100 Technical Dr., Alcoa Center, PA 15069-0001

Chung-Souk Han

Max Planck Institute for Metals Research, Heisenbergstr. 3, 5Q1, D-70569 Stuttgart, Germany

J. Manuf. Sci. Eng 127(1), 182-192 (Mar 21, 2005) (11 pages) doi:10.1115/1.1830050 History: Received September 09, 2003; Revised April 24, 2004; Online March 21, 2005
Copyright © 2005 by ASME
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References

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Figures

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Kinematics of a shell element for the hybrid method
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Separation of the isotropic and kinematic hardening
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Schematic view of (a) I-rail forming and (b) its front view
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Formed part configurations of (a) I-rail and (b) S-rail
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Equivalent stresses obtained from the (a) full analysis and (b) ideal forming with hybrid approach, along with (c) comparison along the section AB
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Equivalent strains obtained from the (a) full analysis and (b) ideal forming with hybrid approach, along with (c) comparison along the section AB
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Head-on collision of the wall with the fixed (a) I-rail and (b) S-rail for crash simulations
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Crash simulation results for I-rails: (a) deceleration curves (b) maximum deceleration and (c) kinetic energy
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Equivalent stresses obtained from the (a) full analysis, (b) ideal forming with hybrid approach and (c) ideal forming without hybrid approach, along with (d) comparison along the section AB
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Equivalent strains obtained from the (a) full analysis, (b) ideal forming with hybrid approach and (c) ideal forming without hybrid approach, along with (d) comparison along the section AB
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Crash simulation results for S-rails: (a) deceleration curves (b) maximum deceleration and (c) kinetic energy

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