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Collapse of Thin-Walled Curved Beam with Closed-Hat Section - Part 1: Study on Collapse Characteristics
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Abstract
This paper describes the collapse characteristics of thin-walled curved beams with closed-hat section under axial compression load.
Static and dynamic collapsing tests have been carried out on beams different in section size, curved angle, thickness and yield point.
We clarify the influences of the initial bending curvature of beam axis, size of section and gauge of metal sheets on the gloval deformation mode, local buckling mode and load-deformation curve from the test results.
These results of collapsing tests provide the necessary feedback for the structural components design and aid in the verification of analytical predictive techniques.
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Ohkami, Y., Takada, K., Motomura, K., Shimamura, M. et al., "Collapse of Thin-Walled Curved Beam with Closed-Hat Section - Part 1: Study on Collapse Characteristics," SAE Technical Paper 900460, 1990, https://doi.org/10.4271/900460.Also In
Emerging Technologies in Vehicle Cae and Structural Mechanics
Number: SP-0820; Published: 1990-02-01
Number: SP-0820; Published: 1990-02-01
References
- Aya N. Takahashi K. Energy Absorbing Characteristics of Body Structure, JSAE Traction 7 1974
- Tani M. Funabashi A. Energy Absorption by Plastic Deformation of Body Structure Members SAE paper No. 780368
- Ishiyamaetal S. Co11apse Characteristics of Automotive Body Structure, JSAE Symposium 1981
- Seki N. Sunami Y. Energy Absorption of Thin-Walled Box Beam Subjected to Combination of Bending with Axial Compression Proc. 17th FISITA Conf., PP 1435 1446 1978
- JSAE Publication, Collapse Characteristics of Thin-walled Curved Beam 1986