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Numerical and experimental investigation of hygro mechanical states of glass fiber reinforced polyester composites experienced by FBG sensors

机译：FBG传感器经历的玻璃纤维增​​强聚酯复合材料的湿力学状态的数值和实验研究

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摘要

This study is focused on the finite element analysis of the hygro-elastic stresses experienced by unidirectional composite structures instrumented by Fiber Bragg Grating (FBG) sensors. One of the significant advantages of this method is that by taking into account the complex geometry of elaborated specimen and their different constituents with heterogeneous hygroscopic and mechanical properties. In the first time, the obtained results were compared with the results obtained owing to an analytical solution deduced from the simplified concentric cylinders approach. This comparison allows us to evaluate the reliability of the concentric cylinders approach which cannot account for every aspects of the actual geometry of the studied samples. Besides the numerical results were compared to the experimental characterization of the mechanical states deduced from the Fiber Bragg Grating measurements.
机译：这项研究的重点是纤维布拉格光栅（FBG）传感器测量的单向复合结构所经历的湿弹应力的有限元分析。该方法的显着优点之一是，通过考虑精心制作的标本的复杂几何形状以及具有不同吸湿性和机械特性的不同成分。第一次，将获得的结果与由于简化的同心圆柱体方法得出的分析结果而获得的结果进行了比较。这种比较使我们能够评估同心圆柱体方法的可靠性，该方法不能说明所研究样品的实际几何形状的每个方面。此外，将数值结果与从光纤布拉格光栅测量得出的机械状态的实验表征进行了比较。

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  • 来源
    《Composite Structures》 |2014年第sepaaocta期|38-47|共10页
  • 作者

    H. Ramezani Dana; F. Jacquemin; S. Freour; A. Perronnet; P. Casari; C. Lupi;

  • 作者单位

    Universite de Nantes - Centrale de Nantes, Institut de Recherche en Genie Civil et Mecanique (UMR CNRS 6183), IUT de Saint-Nazaire, 58, rue Michel Ange - BP 420, 44606 Saint-Nazaire, France;

    Universite de Nantes - Centrale de Nantes, Institut de Recherche en Genie Civil et Mecanique (UMR CNRS 6183), IUT de Saint-Nazaire, 58, rue Michel Ange - BP 420, 44606 Saint-Nazaire, France;

    Universite de Nantes - Centrale de Nantes, Institut de Recherche en Genie Civil et Mecanique (UMR CNRS 6183), IUT de Saint-Nazaire, 58, rue Michel Ange - BP 420, 44606 Saint-Nazaire, France;

    Universite de Nantes - Centrale de Nantes, Institut de Recherche en Genie Civil et Mecanique (UMR CNRS 6183), IUT de Saint-Nazaire, 58, rue Michel Ange - BP 420, 44606 Saint-Nazaire, France;

    Universite de Nantes - Centrale de Nantes, Institut de Recherche en Genie Civil et Mecanique (UMR CNRS 6183), IUT de Saint-Nazaire, 58, rue Michel Ange - BP 420, 44606 Saint-Nazaire, France;

    Universite de Nantes - Centrale de Nantes, Institut de Recherche en Genie Civil et Mecanique (UMR CNRS 6183), IUT de Saint-Nazaire, 58, rue Michel Ange - BP 420, 44606 Saint-Nazaire, France;

  • 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

    Finite element method; Hygroscopic aging; Fiber Bragg Grating sensors; Organic matrix composite;

    机译：有限元法;吸湿老化光纤布拉格光栅传感器;有机基复合材料;

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