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Buckling of filament-wound composite cylinders subjected to hydrostatic pressure for underwater vehicle applications

机译：水下车辆应用中承受水压的长丝缠绕复合材料气瓶的屈曲

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摘要

The buckling and failure characteristics of moderately thick-walled filament-wound carbon-epoxy composite cylinders under external hydrostatic pressure were investigated through finite element analysis and testing for underwater vehicle applications. The winding angles were [±30/90]_(FW). [±45/90]_(FW) and [±60/90]_(fw). ACOS, an in-house finite element program, successfully predicted the buckling pressure of filament-wound composite cylinders with 2 ～ 23% deviation from the test results. The analysis and test results showed that the cylinders do not recover the initial buckling pressure after buckling and that this leads directly to the collapse. Major failure modes in the test were dominated by the helical winding angles.
机译：通过有限元分析和水下航行器测试，研究了中厚壁长丝缠绕碳-环氧复合材料圆筒在外部静水压力下的屈曲和破坏特性。缠绕角为[±30/90] _（FW）。 [±45/90] _（FW）和[±60/90] _（fw）。内部有限元程序ACOS成功地预测了缠绕纤维复合材料圆柱体的屈曲压力，其与测试结果的偏差为2〜23％。分析和测试结果表明，气缸在屈曲后无法恢复初始屈曲压力，而这直接导致倒塌。测试中的主要失效模式主要由螺旋缠绕角决定。

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  • 来源
    《Composite Structures》 |2010年第9期|2241-2251|共11页
  • 作者

    Chul-Jin Moon; In-Hoon Kim; Bae-Hyeon Choi; Jin-Hwe Kweon; Jin-Ho Choi;

  • 作者单位

    School of Mechanical and Aerospace Engineering, Research Center for Aircraft Parts Technology, Gyeongsang National University, Jinju, Gyeongnam 660-701, Republic of Korea;

    rnSchool of Mechanical and Aerospace Engineering, Research Center for Aircraft Parts Technology, Gyeongsang National University, Jinju, Gyeongnam 660-701, Republic of Korea;

    rnSchool of Mechanical and Aerospace Engineering, Research Center for Aircraft Parts Technology, Gyeongsang National University, Jinju, Gyeongnam 660-701, Republic of Korea;

    rnSchool of Mechanical and Aerospace Engineering, Research Center for Aircraft Parts Technology, Gyeongsang National University, Jinju, Gyeongnam 660-701, Republic of Korea;

    rnSchool of Mechanical and Aerospace Engineering, Research Center for Aircraft Parts Technology, Gyeongsang National University, Jinju, Gyeongnam 660-701, Republic of Korea;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    filament winding; buckling; postbuckling; hydrostatic pressure;

    机译：灯丝缠绕屈曲后屈曲静水压力;

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