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Finite element prediction of resin pocket geometry around embedded optical fiber sensors in prepreg composites

机译:预浸料复合材料中嵌入式光纤传感器周围树脂袋几何形状的有限元预测

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摘要

This work presents a finite element technique allowing for the accurate prediction of resin pocket geometries surrounding optical fiber sensors in UD prepreg composites. The F.E. implementation solely relies on material models and element formulations readily available in all commercial F.E. codes, rather than requiring specialized user developed element and material formulations. In addition, only a minimal amount of straight-forward experimental characterization is required to determine the necessary material parameters in the model. The F.E. results are validated with microscopic images of several lay-ups with embedded optical fiber samples of different diameters. Very good correspondence is found between RE. results and microscopic cross-sections, showing the usefulness and applicability of the method to random lay-ups and optical fiber dimensions. (C) 2015 Elsevier Ltd. All rights reserved.
机译:这项工作提出了一种有限元技术,可以准确预测UD预浸料复合材料中围绕光纤传感器的树脂袋的几何形状。 F.E.实施仅依赖于所有商业F.E.代码中容易获得的材料模型和元素配方,而不需要用户专门开发的元素和材料配方。另外,仅需最少量的简单实验表征即可确定模型中必要的材料参数。 F.E.结果通过具有不同直径的嵌入式光纤样品的几个叠层的显微图像进行验证。在RE之间发现很好的对应关系。结果和微观横截面,显示了该方法对随机铺层和光纤尺寸的有用性和适用性。 (C)2015 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Composite Structures》 |2015年第11期|825-832|共8页
  • 作者单位

    UGent, Dept Mat Sci & Engn, B-9052 Zwijnaarde, Belgium;

    UGent, Dept Mat Sci & Engn, B-9052 Zwijnaarde, Belgium;

    UGent, Dept Mat Sci & Engn, B-9052 Zwijnaarde, Belgium;

    UGent, Dept Mat Sci & Engn, B-9052 Zwijnaarde, Belgium;

    UGent, Dept Mat Sci & Engn, B-9052 Zwijnaarde, Belgium;

  • 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

    Optical fiber; Composites; Finite element;

    机译:光纤;复合材料;有限元;

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