Deformation Modes and Energy Absorption Performances of Concave Profile Tubes Under Axial Crash

TANG Zhiliang; GAO Yongqiang; XU Weikai

doi:10.21656/1000-0887.450049

Volume 46 Issue 2

Feb. 2025

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TANG Zhiliang, GAO Yongqiang, XU Weikai. Deformation Modes and Energy Absorption Performances of Concave Profile Tubes Under Axial Crash[J]. Applied Mathematics and Mechanics, 2025, 46(2): 165-174. doi: 10.21656/1000-0887.450049

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Deformation Modes and Energy Absorption Performances of Concave Profile Tubes Under Axial Crash

doi: 10.21656/1000-0887.450049

1.
School of Intelligent Manufacturing, Wuxi Vocational College of Science and Technology, Wuxi, Jiangsu 214028, P.R.China
2.
School of Civil Engineering and Architecture, Suqian University, Suqian, Jiangsu 223800, P.R.China

Received Date: 2024-02-22
Rev Recd Date: 2024-05-15
Publish Date: 2025-02-01

Abstract

Abstract

The deformation modes and energy absorption performances of thin-walled concave profile tubes subjected to axial crash were investigated, and the advantages of concave tubes over conventional convex polygonal tubes in improving energy absorption performances were demonstrated. The classification of axial deformation modes of concave tubes and their variations with cross-section parameters were studied with the finite element method, and the concave tubes under oblique impact loads were also investigated. The concave tubes show dramatic improvements of energy absorption performances over the conventional square tubes.
- concave profile,
- thin-walled structures,
- axial crushing,
- deformation mode,
- energy absorption

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References(21)

References

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