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带孔触发装置的薄壁方柱抗撞性分析

Crashworthiness Analysis of Thin-Walled Square Columns with a Hole Trigger.

作者信息

Rogala Michał, Gajewski Jakub

机构信息

Department of Machine Design and Mechatronics, Faculty of Mechanical Engineering, Lublin University of Technology, 20-618 Lublin, Poland.

出版信息

Materials (Basel). 2023 Jun 5;16(11):4196. doi: 10.3390/ma16114196.

DOI:10.3390/ma16114196
PMID:37297330
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10254256/
Abstract

Thin-walled structures dynamically loaded with an axial force are the subject of this study. The structures work as passive energy absorbers by progressive harmonic crushing. The absorbers were made of AA-6063-T6 aluminum alloy and subjected to both numerical and experimental tests. Experimental tests were performed on an INSTRON 9350 HES bench, while numerical analyses were performed using Abaqus software. The energy absorbers tested had crush initiators in the form of drilled holes. The variable parameters were the number of holes and their diameter. The holes were located in a line 30 mm away from the base. This study shows a significant effect of the hole diameter on the values of the stroke efficiency indicator and mean crushing force.

摘要

承受轴向力动态加载的薄壁结构是本研究的对象。这些结构通过渐进式谐波挤压作为被动能量吸收器工作。吸收器由AA-6063-T6铝合金制成，并进行了数值和实验测试。实验测试在INSTRON 9350 HES试验台上进行，而数值分析则使用Abaqus软件进行。测试的能量吸收器具有钻孔形式的挤压引发器。可变参数是孔的数量及其直径。这些孔位于距底部30毫米的一条线上。本研究表明，孔径对行程效率指标和平均挤压力值有显著影响。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1f2/10254256/650128dda05d/materials-16-04196-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1f2/10254256/14fe78481bea/materials-16-04196-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1f2/10254256/a9e60cff11f0/materials-16-04196-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1f2/10254256/95c425514f94/materials-16-04196-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1f2/10254256/b672fabec8d6/materials-16-04196-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1f2/10254256/b06f62bcc838/materials-16-04196-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1f2/10254256/9b0b283b353d/materials-16-04196-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1f2/10254256/ee56f7c7da4b/materials-16-04196-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1f2/10254256/8882eba8bbe4/materials-16-04196-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1f2/10254256/1d409b11b22a/materials-16-04196-g009a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1f2/10254256/650128dda05d/materials-16-04196-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1f2/10254256/14fe78481bea/materials-16-04196-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1f2/10254256/a9e60cff11f0/materials-16-04196-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1f2/10254256/95c425514f94/materials-16-04196-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1f2/10254256/b672fabec8d6/materials-16-04196-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1f2/10254256/b06f62bcc838/materials-16-04196-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1f2/10254256/9b0b283b353d/materials-16-04196-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1f2/10254256/ee56f7c7da4b/materials-16-04196-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1f2/10254256/8882eba8bbe4/materials-16-04196-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1f2/10254256/1d409b11b22a/materials-16-04196-g009a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1f2/10254256/650128dda05d/materials-16-04196-g010.jpg

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