六边形蜂窝芯吸能盒创新设计及其吸能特性研究
白艳伟1，余万1，李响1,2，赵恒1
（1.三峡大学 机械与动力学院，湖北 宜昌 443002；2.三峡大学 水电机械设备设计与维护湖北省重点实验室，湖北 宜昌 443002）
摘要：六边形蜂窝结构具有良好的力学性能和吸能特性。为了更好地提升汽车吸能盒的吸能特性，采用四边形截面和内部填充六边形蜂窝芯创新构型了一种新型吸能盒。采用数值模拟技术发现，与传统吸能盒相比，六边形蜂窝芯吸能盒具有更优越的吸能效果和更高的比吸能，并且在受到相同的载荷冲击时仍能保持结构的稳定性，同时针对载荷角度探讨了六边形蜂窝芯吸能盒在不同速度载荷冲击下的吸能效果和碰撞力变化模式。本文研究内容有望为进一步提升吸能盒性能提供参考。
关键词：六边形蜂窝芯；吸能盒；载荷角；吸能特性；碰撞力
中图分类号：U463.99 文献标志码：A doi：10.3969/j.issn.1006-0316.2023.08.004
文章编号：1006-0316 (2023) 08-0026-06
Innovative Design and Energy Absorption Characteristics of Hexagonal Honeycomb Core Energy Absorbing Box
BAI Yanwei1，YU Wan1，LI Xiang1,2，ZHAO Heng1
( 1.College of Machinery and Power Engineering, Three Gorges University, Yichang 443002; 2.Hubei Key Laboratory of Hydroelectric Machinery Design and Maintenance, Three Gorges University, Yichang 443002 )
Abstract：The hexagonal honeycomb structure has good mechanical properties and energy absorption characteristics. In order to better improve the energy absorption characteristics of the automobile energy absorbing box, this paper adopts a new type of energy absorbing box with a quadrilateral section and a hexagonal honeycomb core filled inside. Through the numerical simulation technology, it is found that compared with the traditional energy absorbing box, the hexagonal honeycomb core energy absorbing box has better energy absorption effect and higher specific energy absorption while maintaining the stability of the structure when subjected to the same load impact. At the same time, the energy absorption effect and impact force change mode of the hexagonal honeycomb core energy absorbing box under different speed load impact are discussed according to the load angle. The research of this paper is expected to provide the reference for further improving the performance of the energy absorbing box.
Key words：hexagonal honeycomb cores；energy-absorbing box；load angle；energy absorption characteristics；collisions force
———————————————
收稿日期：2022-07-11
作者简介：白艳伟（1994－），男，山西吕梁人，硕士研究生，主要研究方向为动力工程，E-mail：1156634049@qq.com；余万（1984－），男，湖北黄冈人，博士，副教授，主要研究方向为新能源利用及强化传热，E-mail：yuwan@ctgu.edu.cn；赵恒（1997－），男，安徽阜阳人，硕士研究生，主要研究方向为结构优化设计，E-mail：2499457646@qq.com。
（1.三峡大学 机械与动力学院，湖北 宜昌 443002；2.三峡大学 水电机械设备设计与维护湖北省重点实验室，湖北 宜昌 443002）
摘要：六边形蜂窝结构具有良好的力学性能和吸能特性。为了更好地提升汽车吸能盒的吸能特性，采用四边形截面和内部填充六边形蜂窝芯创新构型了一种新型吸能盒。采用数值模拟技术发现，与传统吸能盒相比，六边形蜂窝芯吸能盒具有更优越的吸能效果和更高的比吸能，并且在受到相同的载荷冲击时仍能保持结构的稳定性，同时针对载荷角度探讨了六边形蜂窝芯吸能盒在不同速度载荷冲击下的吸能效果和碰撞力变化模式。本文研究内容有望为进一步提升吸能盒性能提供参考。
关键词：六边形蜂窝芯；吸能盒；载荷角；吸能特性；碰撞力
中图分类号：U463.99 文献标志码：A doi：10.3969/j.issn.1006-0316.2023.08.004
文章编号：1006-0316 (2023) 08-0026-06
Innovative Design and Energy Absorption Characteristics of Hexagonal Honeycomb Core Energy Absorbing Box
BAI Yanwei1，YU Wan1，LI Xiang1,2，ZHAO Heng1
( 1.College of Machinery and Power Engineering, Three Gorges University, Yichang 443002; 2.Hubei Key Laboratory of Hydroelectric Machinery Design and Maintenance, Three Gorges University, Yichang 443002 )
Abstract：The hexagonal honeycomb structure has good mechanical properties and energy absorption characteristics. In order to better improve the energy absorption characteristics of the automobile energy absorbing box, this paper adopts a new type of energy absorbing box with a quadrilateral section and a hexagonal honeycomb core filled inside. Through the numerical simulation technology, it is found that compared with the traditional energy absorbing box, the hexagonal honeycomb core energy absorbing box has better energy absorption effect and higher specific energy absorption while maintaining the stability of the structure when subjected to the same load impact. At the same time, the energy absorption effect and impact force change mode of the hexagonal honeycomb core energy absorbing box under different speed load impact are discussed according to the load angle. The research of this paper is expected to provide the reference for further improving the performance of the energy absorbing box.
Key words：hexagonal honeycomb cores；energy-absorbing box；load angle；energy absorption characteristics；collisions force
———————————————
收稿日期：2022-07-11
作者简介：白艳伟（1994－），男，山西吕梁人，硕士研究生，主要研究方向为动力工程，E-mail：1156634049@qq.com；余万（1984－），男，湖北黄冈人，博士，副教授，主要研究方向为新能源利用及强化传热，E-mail：yuwan@ctgu.edu.cn；赵恒（1997－），男，安徽阜阳人，硕士研究生，主要研究方向为结构优化设计，E-mail：2499457646@qq.com。
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