两种星型蜂窝夹芯板的抗低能冲击研究

吉国明; 李易兴; 韩庆; 王睿文

doi:10.15892/j.cnki.djzdxb.2025.01.013

弹箭与制导学报 >

2025 , Vol. 45 >Issue 1: 93 - 100

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2025.01.013

两种星型蜂窝夹芯板的抗低能冲击研究

吉国明 ^,¹^,² ,
李易兴 ¹ ,
韩庆 ¹^,² ,
王睿文 ¹

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¹ 西北工业大学航空学院,陕西西安 710072
² 飞行器基础布局全国重点实验室,陕西西安 710072

吉国明(1970—),男,副教授,硕士。E-mail: jiguom@nwpu.edu.cn

收稿日期: 2024-03-14

网络出版日期: 2025-03-12

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Study on Low Energy Impact Resistance of Two Kinds of Star-shaped Honeycomb Sandwich Panels

JI Guoming ^,¹^,² ,
LI Yixing ¹ ,
HAN Qing ¹^,² ,
WANG Ruiwen ¹

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¹ School of Aviation, Northwestern Polytechnical University, Xi'an 710072,Shaanxi, China
² National Key Laboratory of Aircraft Configuration Design, Xi'an 710072,Shaanxi, China

Received date: 2024-03-14

Online published: 2025-03-12

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摘要

为研究负泊松比内凹星型(RES)、内凹圆弧星型(RECS)蜂窝夹芯板的抗低能冲击性能,通过商业软件ANSYS/LS-DYNA建立了含复合材料层合板、ABS蜂窝的蜂窝夹芯板有限元模型,数值方法分析了半球头圆柱冲头分别在10 J,15 J,30 J的低冲击能量下,面外、面内冲击蜂窝夹芯板的冲击响应。分析对比了不同冲击条件下冲头位移-时间历程、冲头接触力-时间历程以及蜂窝夹芯板的吸能占比。仿真结果表明,在相同的冲击条件下,RECS蜂窝夹芯板损伤深度均大于RES蜂窝夹芯板,并且在面内冲击时差异更加明显;但相同条件下,冲击RECS冲头拥有更低的反弹速度,即RES蜂窝夹芯板比RECS蜂窝夹芯板具有更好的抗冲击性能,但RECS具有更好的吸能性能。

关键词： 星型蜂窝; 低能冲击; 负泊松比; 夹芯板

本文引用格式

吉国明 , 李易兴 , 韩庆 , 王睿文 . 两种星型蜂窝夹芯板的抗低能冲击研究[J]. 弹箭与制导学报, 2025 , 45(1) : 93 -100 . DOI: 10.15892/j.cnki.djzdxb.2025.01.013

Abstract

In order to study the low energy impact resistance of re-entrant star-shaped (RES) and re-entrant circular star-shaped (RECS) honeycomb sandwich panels with negative Poisson ratio, a finite element model of honeycomb sandwich panels with composite laminates and ABS honeycomb is established by using commercial software ANSYS/LS-DYNA. Impact response of the composite sandwich panels with RES honeycomb and RECS honeycomb is analyzed numerically at low impact energies of 10 J,15 J,30 J. In this paper, the impactor displacement versus time curves、contact force versus time curves and energy absorption ratio of sandwich panels under different impact conditions are analyzed and compared. The simulation results show that under the same impact conditions, the damage depth of RECS honeycomb sandwich panels is greater than that of RES honeycomb sandwich panels, and the difference is more obvious when under in-plane impact. In addition, the impactor has a lower rebound speed after impacting RECS honeycomb sandwich panels, that is, the RECS honeycomb sandwich panel has a higher energy absorption ratio. According to the above results, it is concluded that RES honeycomb sandwich panel has better low energy impact resistance than RECS honeycomb sandwich panel, but the latter has better energy absorption performance.

Key words： star-shaped honeycomb; low energy impact; negative Poisson ratio; sandwich panel

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