Quasi-static puncture resistance behaviors of the air cushion fabric structures

IF 4.4 3区工程技术 Q1 ENGINEERING, CIVIL

Archives of Civil and Mechanical Engineering Pub Date : 2025-05-21 DOI:10.1007/s43452-025-01219-1

Junhao Xu, Shanshan Xu, Yingying Zhang, Yang Ji, Shuhuan Fei, Yushuai Zhao

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Abstract

Air cushion fabric structures rely on the internal air pressure within the enclosed space to support external loads. However, during service, they are often subjected to puncture forces from hard objects, which can significantly undermine their structural integrity. To address this issue, the present study investigates the quasi-static puncture resistance behavior of air cushion fabric structures. The analysis focuses on the influence of several factors, including internal pressure, penetrator shape and material, yarn orientation, puncture location, and specimen geometry on puncture resistance. In addition, a computational model to evaluate the puncture resistance of cushion structures has been developed using the finite element (FE) method. The results indicate that puncture resistance is strongly dependent on the shape of the penetrator and the magnitude of the internal pressure. Flat penetrators induce the highest puncture resistance, followed by hemispherical and conical heads, with the latter exhibiting lower resistance due to edge-induced punching shear. Wooden penetrators produce smoother resistance curves but exhibit higher puncture resistance and displacement compared to steel penetrators. As internal pressure increases, a reduction in the cushion’s puncture resistance is observed. The FE models provided accurate predictions of the puncture resistance behavior of the cushions.

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气垫织物结构的准静态抗穿刺性能

气垫织物结构依靠封闭空间内的内部空气压力来支撑外部载荷。然而，在使用过程中，它们经常受到来自硬物的穿刺力，这可能会严重破坏它们的结构完整性。为了解决这一问题，本研究对气垫织物结构的准静态抗穿刺性能进行了研究。分析了内压、穿甲器形状和材料、纱线方向、穿刺位置和试样几何形状等因素对穿刺阻力的影响。此外，采用有限元法建立了缓冲结构抗穿刺性能的计算模型。结果表明，穿透阻力很大程度上取决于穿透体的形状和内压的大小。平头穿甲弹的穿甲弹阻力最大，其次是半球形穿甲弹和锥形穿甲弹，锥形穿甲弹的穿甲弹阻力较小，主要是由于边缘引起的冲孔剪切。与钢制穿甲弹相比，木制穿甲弹的阻力曲线更平滑，但具有更高的抗穿刺性和位移。随着内部压力的增加，观察到缓冲垫的穿刺阻力降低。有限元模型提供了准确的预测垫的抗穿刺行为。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Archives of Civil and Mechanical Engineering 工程技术-材料科学：综合

CiteScore

6.80

自引率

9.10%

发文量

201

审稿时长

4 months

期刊介绍： Archives of Civil and Mechanical Engineering (ACME) publishes both theoretical and experimental original research articles which explore or exploit new ideas and techniques in three main areas: structural engineering, mechanics of materials and materials science. The aim of the journal is to advance science related to structural engineering focusing on structures, machines and mechanical systems. The journal also promotes advancement in the area of mechanics of materials, by publishing most recent findings in elasticity, plasticity, rheology, fatigue and fracture mechanics. The third area the journal is concentrating on is materials science, with emphasis on metals, composites, etc., their structures and properties as well as methods of evaluation. In addition to research papers, the Editorial Board welcomes state-of-the-art reviews on specialized topics. All such articles have to be sent to the Editor-in-Chief before submission for pre-submission review process. Only articles approved by the Editor-in-Chief in pre-submission process can be submitted to the journal for further processing. Approval in pre-submission stage doesn''t guarantee acceptance for publication as all papers are subject to a regular referee procedure.