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辅助六边形结构的力学性能与能量吸收

The Mechanical Properties and Energy Absorption of AuxHex Structures.

作者信息

Panowicz Robert, Jeschke Adam, Durejko Tomasz, Zachman Marcin, Konarzewski Marcin

机构信息

Faculty of Mechanical Engineering, Military University of Technology, Gen. Kaliskiego Str., 00-908 Warsaw, Poland.

Faculty of Advanced Technologies and Chemistry, Military University of Technology, Gen. Kaliskiego Str., 00-908 Warsaw, Poland.

出版信息

Materials (Basel). 2024 Dec 12;17(24):6073. doi: 10.3390/ma17246073.

DOI:10.3390/ma17246073
PMID:39769674
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11677218/
Abstract

Based on a combination of hexagonal honeycomb and re-entrant honeycomb cells, the concept of novel hybrid cell structures was developed. Experimental studies and numerical analyses of the behaviour of the analysed structures under in-plane compression in two compression directions were carried out. Explicit finite element analyses with an explicit integration scheme, incorporating plastic deformation and ductile damage evolution models, were employed to analyse the entire deformation process, including plastic and damage stages. Good agreement was obtained between the results of the numerical analyses and the experimental studies.

摘要

基于六边形蜂窝和内凹蜂窝单元的组合，提出了新型混合单元结构的概念。对分析结构在两个压缩方向的面内压缩下的行为进行了实验研究和数值分析。采用显式积分格式的显式有限元分析方法，结合塑性变形和韧性损伤演化模型，对包括塑性和损伤阶段在内的整个变形过程进行了分析。数值分析结果与实验研究结果取得了良好的一致性。

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