A study on the mechanical behavior of a crushable cylindrical corrugated component under axial impact
FU Benyuan1, LIAO Changrong1, LI Zhuqiang1, ZHANG Peng1, JIAN Xiaochun2, WU Chunjiang2
1. Key Laboratory for Optoelectronic Technology and Systems, College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China;
2. Transportation Institute, Chongqing Jiaotong University, Chongqing 400074, China
Analyzing the mechanical behavior of a crushable multi-cylindrical-corrugated component under impact load is currently a challenge. This paper presents a theoretical methodology for evaluation of the deformation resistance of a crushable cylindrical-corrugated component under axial impact load. By investigating the collapse deformation characteristics, the deformation was divided into four sections: elastic deformation stage, plastic deformation stage before surface contact, mixed plastic deformation stage, and plastic deformation stage during surface contact. The theoretical mapping relationship between the deformation resistance and crushed displacement under different drop heights was obtained by Matlab Simulink. The theoretical relationship was compared with the experimental result, which showed a good agreement between the predicted resistant forces and the testing data under various drop heights. The result shows the feasibility of the proposed analytical methodology for the practical application of the crushable cylindrical-corrugated component.
付本元1，廖昌荣1，李祝强1，章鹏1，简晓春2，吴春江2. 柱形波纹压溃元件轴向冲击力学行为研究[J]. 振动与冲击, 2017, 36(4): 21-27.
FU Benyuan1, LIAO Changrong1, LI Zhuqiang1, ZHANG Peng1, JIAN Xiaochun2, WU Chunjiang2. A study on the mechanical behavior of a crushable cylindrical corrugated component under axial impact. JOURNAL OF VIBRATION AND SHOCK, 2017, 36(4): 21-27.
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