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Mechanical responses of metallic strip flexible pipe subjected to combined bending and external pressure

机译：金属带挠性管在弯曲和外压作用下的力学响应

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摘要

Metallic strip flexible pipe (MSFP) is regarded as a promising alternative for submarine pipelines. This relatively new composite pipe has been favoured for its good features and performances. In this paper, the mechanical behaviours of MSFP under combined bending and external pressure are investigated experimentally and numerically. The bending-pressure loading tests of MSFP are presented and its collapse response as a result of the combined loading is simulated by using the commercial software ABAQUS. The accuracy and reliability of the finite-element model is verified by the good agreement with the results obtained from the full-scale laboratorial experiment. The influence of initial bend radius on the collapse is discussed through the proposed model. Additional parametric study related to its geometrical configurations was conducted through modified models. Some conclusions are drawn for its marine engineering application, which might be useful for manufacturing engineers.
机译：金属带状挠性管（MSFP）被认为是海底管道的有希望的替代品。这种相对较新的复合管因其良好的特性和性能而受到青睐。本文对MSFP在弯曲和外压作用下的力学行为进行了实验和数值研究。给出了MSFP的弯曲压力载荷测试，并使用商业软件ABAQUS模拟了由于组合载荷而导致的倒塌响应。有限元模型的准确性和可靠性通过与全面实验室实验获得的结果良好吻合而得到验证。通过提出的模型讨论了初始弯曲半径对坍塌的影响。通过修改的模型进行了与其几何构造有关的其他参数研究。得出了其海洋工程应用的一些结论，这可能对制造工程师有用。

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  • 来源
    《Ships and offshore structures》 |2018年第4期|320-329|共10页
  • 作者

    Yong Bai; Peihua Han; Ting Liu; Shuai Yuan; Gao Tang;

  • 作者单位

    College of Civil Engineering and Architecture, Zhejiang University, Hangzhou, Zhejiang, P. R. China;

    College of Civil Engineering and Architecture, Zhejiang University, Hangzhou, Zhejiang, P. R. China;

    College of Civil Engineering and Architecture, Zhejiang University, Hangzhou, Zhejiang, P. R. China;

    College of Civil Engineering and Architecture, Zhejiang University, Hangzhou, Zhejiang, P. R. China;

    College of Materials Science and Engineering, China Jiliang University, Hangzhou, Zhejiang, P. R. China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Metallic strip flexible pipe (MSFP); combined bending and external pressure; experiment; FEM;

    机译：金属带挠性管（MSFP）;弯曲和外部压力相结合;实验;有限元法;

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