目的 针对传统正六边形铝合金蜂窝芯在动态冲击载荷下其胞壁交汇节点处存在应力集中、易诱发局部屈曲等问题,设计两种节点局部增强复合胞元结构,研究其动态压缩响应与能量吸收特性,为轻量化抗冲击蜂窝结构优化设计提供参考。方法 在传统六边形蜂窝胞元基础上,引入三角形和圆形节点增强单元,建立三种蜂窝结构有限元模型,采用Abaqus/Explicit显式动力学方法,对其在5、20、50 m/s压溃速度下的动态压缩过程进行数值模拟。结果 节点增强结构能够改善局部应力传递路径并优化变形模式。三角形增强构型形成“X”变形带并表现出负泊松比效应;圆形增强构型能够缓解节点应力集中,使应力分布更加均匀。不同工况下,三角形增强构型在相同应变时的吸收能量明显更高。在50 m/s高速冲击下,三角形构型仍具有最佳综合吸能性能,较圆形构型高约14%。结论 节点局部增强可显著提高铝合金蜂窝芯的动态抗冲击性能,其中三角形增强构型在结构稳定性、应力峰值控制及能量吸收方面优势最为突出,可为高性能缓冲防护结构和轻量化吸能材料设计提供理论依据。
Abstract
To address the issues of stress concentration and susceptibility to local buckling at the cell-wall junctions of conventional regular hexagonal aluminum alloy honeycomb cores under dynamic impact loading, the work aims to design two node-reinforced composite unit cell configurations to investigate their dynamic compression responses and energy absorption characteristics, to provide reference for the optimal design of lightweight impact-resistant honeycomb structures. Based on the conventional hexagonal honeycomb cell, triangular and circular node reinforcement elements were introduced to establish the finite element models of three honeycomb structures and their dynamic crushing responses at impact velocities of 5, 20, and 50 m/s were investigated with the Abaqus/Explicit solver. The node reinforcement effectively modified the local stress transfer path and improved the deformation mode. The triangular-reinforced configuration developed an "X"-shaped deformation band accompanied by a negative Poisson's ratio effect, whereas the circular-reinforced configuration alleviated stress concentration at the junctions and promoted a more uniform stress distribution. Under all loading conditions, the triangular-reinforced structure exhibited higher energy absorption than the other two configurations at the same strain level. At an impact velocity of 50 m/s, its overall energy absorption remained approximately 14% higher than that of the circular-reinforced structure. The proposed node reinforcement strategy significantly improves the dynamic impact resistance of aluminum alloy honeycomb cores, with the triangular-reinforced configuration demonstrating the best overall performance in structural stability, stress peak mitigation, and energy absorption. These findings provide theoretical guidance for the design and optimization of lightweight impact-resistant structures and high-performance energy-absorbing materials.
关键词
铝合金蜂窝芯 /
节点增强 /
动态压缩 /
有限元分析 /
能量吸收
Key words
aluminum alloy honeycomb core /
node reinforcement /
dynamic compression /
finite element analysis /
energy absorption
{{custom_sec.title}}
{{custom_sec.title}}
{{custom_sec.content}}
参考文献
[1] 黄英杰, 薛莹莹, 汪聃. 加载速率对点阵铝力学行为及吸能特性的影响[J]. 包装工程, 2020, 41(15): 64-69.
HUANG Y J, XUE Y Y, WANG D.Effect of Loading Rate on the Mechanical Behavior and Energy Absorption Characteristics of Aluminum Lattice Structures[J]. Packaging Engineering, 2020, 41(15): 64-69.
[2] 余同希, 朱凌, 许骏. 结构冲击动力学进展 (2010-2020)[J]. 爆炸与冲击, 2021, 41(12): 121401.
YU T X, ZHU L, XU J.Progress in Structural Impact Dynamics during 2010-2020[J]. Explosion and Shock Waves, 2021, 41(12): 121401.
[3] HAMZA N A A, AL-FATLWE F M K, TALIB M A. Experimental and Numerical Study of Effecting Core Configurations on the Static and Dynamic Behavior of Honeycomb Plate with Aluminum Material[J]. Defence Technology, 2024(39): 177-192.
[4] RANGAPURAM M, DASARI S K, NEWKIRK J W, et al.Performance Evaluation of Composite Sandwich Structures with Additively Manufactured Aluminum Honeycomb Cores with Increased Bonding Surface Area[J]. Polymer Composites, 2023, 44(9): 5357-5368.
[5] 段江霞, 杜鹏, 何利, 等. 一种空运集装箱式生物隔离转运救治装备的设计[J].中国医疗器材学报, 2024, 45(12).
Duan J X, Du P, He L, et al.Design of an Air Transport Container-Based Biological Isolation Transfer and Treatment Equipment[J]. Chinese Medical Equipment Journal, 2024, 45(12).
[6] 杨钊, 姚谦, 王鹏飞, 等. 曲边手性超结构压缩力学行为及吸能特性研究[J]. 包装工程, 2025, 46(19): 15-23.
YANG Z, YAO Q, WANG P F, et al.Compressive Mechanical Behavior and Energy Absorption Characteristics of Curved-Ligament Chiral Metastructures[J]. Packaging Engineering, 2025, 46(19): 15-23.
[7] ZHANG C, QIAO H, YANG L, et al.Vibration characteristics of additive manufactured IWP-type TPMS lattice structures[J]. Composite Structures, 2024(327): 117642.
[8] WANG Z, WANG Y, HE J, et al.Additive Manufacturing of Continuous Fiber-reinforced Polymer Composite Sandwich Structures with Multiscale Cellular Cores[J]. Chinese Journal of Mechanical Engineering: Additive Manufacturing Frontiers, 2023, 2(3): 100088.
[9] 朱陈成, 陈鸿玲, 傅高升, 等. SLM 成形多孔结构TC4骨科植入物的仿真与力学试验[J]. 特种铸造及有色合金, 2024, 44(7): 975-981.
ZHU C C, CHEN H L, FU G S, et al.Simulation and Mechanical Testing of SLM-Fabricated Porous TC4 Orthopedic Implants[J]. Special Casting & Nonferrous Alloys, 2024, 44(7): 975-981.
[10] KHALID E, RADWAN A B, RAHMAN M M, et al.Additively Manufactured Metal-matrix Composites and Their Assessment as Orthopedic Implants[J]. Materials Advances, 2025, 6(21): 7685-7721.
[11] 吴文旺, 夏热. 轻质点阵超结构设计及多功能力学性能调控方法[J]. 力学进展, 2022, 52(3): 673-718.
WU W W, XIA R.Design of Lightweight Lattice Metastructures and Methods for Regulating Their Multifunctional Mechanical Properties[J]. Advances in Mechanics, 2022, 52(3): 673-718.
[12] 余同希. 能量吸收研究 60 年——来自何处? 走向何方?[J]. 力学与实践, 2024, 46(1): 1-17.
YU T X.Sixty Years in the Study of Energy Absorption: Where It Came from and Where It Goes?[J]. Mechanics in Engineering, 2024, 46(1): 1-17.
[13] 天进, 孙玉瑾, 孙德强, 等. 构型对正多边形蜂窝异面缓冲性能的影响[J]. 包装工程, 2023, 44(23): 283-292.
TIAN J, SUN Y J, SUN D Q, et al.Effects of Configuration on Out-of-Plane Cushioning Performance of Regular Polygonal Honeycombs[J]. Packaging Engineering, 2023, 44(23): 283-292.
[14] 韦青, 郭彦峰, 付云岗, 等. 纸蜂窝夹层管的轴向跌落冲击缓冲吸能特性研究[J]. 中国造纸学报, 2021, 36(1): 52-62.
WEI Q, GUO Y F, FU Y G, et al.Energy Absorption Characteristics of Paper Honeycomb Sandwich Tubes under Axial Drop Impact[J]. Transactions of China Pulp and Paper, 2021, 36(1): 52-62.
[15] 王志伟, 王立军, 徐晨翼. 多次低强度冲击对蜂窝纸板缓冲性能的影响[J]. 应用力学学报, 2015, 32(3): 441-445.
WANG Z W, WANG L J, XU C Y.Effect of Multiple Low-Intensity Impacts on Cushioning Performance of Honeycomb Paperboard[J]. Chinese Journal of Applied Mechanics, 2015, 32(3): 441-445.
[16] YANG S P, WANG Z W.Influence of Relative Humidity on Energy Absorption of Honeycomb Paperboard[C]//Proceedings othe The 21st IAPRI World Conference on Packaging. New York: IAPRI, 2018
[17] RAJPUT A, CHAVHAN H.Effect of Honeycomb Shape and Parameters on Specific Energy Absorption of Aluminium Honeycomb Sandwich Composites[J]. Marine Structures, 2026, 107: 104005.
[18] Ivanez I, Fernandez-Cañadas L M, Sanchez-Saez S. Compressive Deformation and Energy-Absorption Capability of Aluminium Honeycomb Core[J]. Composite Structures, 2017(174): 123-133.
[19] 王曦晨, 王树青, 郑泽鹏, 等. 增强型内凹蜂窝结构的压缩力学性能研究[J]. 中国海洋大学学报(自然科学版), 2026, 56(2): 138-152.
WANG X C, WANG S Q, ZHENG Z P, et al.Compression Mechanical Properties of Enhanced Re-entrant Honeycomb Structures[J]. Journal of Ocean University of China (Natural Science Edition), 2026, 56(2): 138-152.
[20] 何晓蕾, 张雷, 张庆刚, 等. 轨道列车超材料吸能结构设计及特性研究[J]. 铁道科学与工程学报, 2025, 22(6): 40-50.
HE X L, ZHANG L, ZHANG Q G, et al.Design and Performance Analysis of Metamaterial Energy-Absorbing Structures for Rail Vehicles[J]. Journal of Railway Science and Engineering, 2025, 22(6): 40-50.
[21] YANG C, ZHONG Y, MA Y, et al.Research on the Failure Mechanism and Enhanced Energy-Absorbing Capacity for a Novel Concave Octagonal NPR Honeycomb Structure[J]. Scientific Reports, 2026(16): 22238.
[22] MO K, LU F, ZHANG C, et al.Energy Absorption Characteristics of a Novel Hierarchical Auxetic Star-Shaped Honeycomb[J]. Thin-Walled Structures, 2025(215): 113598.
[23] FORES-GARRIGA A, GOMEZ-GRAS G, PEREZ M A.Lightweight Hybrid Composite Sandwich Structures with Additively Manufactured Cellular Cores[J]. Thin-Walled Structures, 2023(191): 111082.
[24] MA N, HAN Q, HAN S, et al.Hierarchical Re-entrant Honeycomb Metamaterial for Energy Absorption and Vibration Insulation[J]. International Journal of Mechanical Sciences, 2023(250): 108307.
[25] AN L, ZHANG X, WU H, et al.In-Plane Dynamic Crushing and Energy Absorption Capacity of Self-similar Hierarchical Honeycombs. Advances in Mechanical Engineering. 2017;9(6):124-137.
[26] QI C, JIANG F, YANG S, et al.Dynamic Crushing Response of Novel Re-Entrant Circular Auxetic Honeycombs: Numerical Simulation and Theoretical Analysis[J]. Aerospace Science and Technology, 2022(124): 107548.
[27] HUSSAIN K F, CANTWELL W J, KHAN K A.Review of Recent Advances in Origami-Inspired Structures for Enhanced Energy Absorption: Trends and Engineering Applications[J]. Arab J Sci Eng 50, 2025: 13503-13548.
[28] QI C, JIANG F, REMENNIKOV A, et al.Quasi-Static Crushing Behavior of Novel Re-Entrant Circular Auxetic Honeycombs[J]. Composites Part B: Engineering, 2020(197): 108117.
[29] CHEN L, ZHANG J, DU B, et al.Dynamic Crushing Behavior and Energy Absorption of Graded Lattice Cylindrical Structure under Axial Impact Load[J]. Thin-Walled Structures, 2018(127): 333-343.
基金
天津市自然科学基金重点项目（24JCZDJC00280）; 大学生创新训练计划（202510069062）
PDF(1584 KB)
渝公网安备 50010702501716号 渝ICP备15012534号-2
