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Viscoelastic properties of heterogeneous materials: The case of periodic media containing cuboidal inclusions

机译:非均质材料的粘弹性:周期性介质中包含长方体夹杂物

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摘要

This paper presents analytical solutions for the effective viscoelastic properties of composite materials based on a homogenization approach. The cases of spherical inclusions and cracks were recently developed. The objective of this paper is to use the same technique to deal with the case of periodic media containing cuboidal inhomogeneities. The viscoelastic behavior of both the matrix and the homogeneous equivalent medium is modeled by the Zener rheological model while inclusions are assumed to be linearly elastic. The viscoelastic Hill tensor required for the calculation of the effective viscoelastic tensors is obtained explicitly in the Laplace-Carson space in terms of Fourier series. The final expressions show that overall behavior depends on the viscoelastic properties of the matrix, the 3D dimensions of the inclusions and the thickness of the matrix layer between two nearby inclusions. Applications to masonry structures are presented to illustrate the theoretical results. (C) 2016 Elsevier Ltd. All rights reserved.
机译:本文提出了一种基于均质化方法的复合材料有效粘弹性特性的分析解决方案。最近发现了球形夹杂物和裂纹的情况。本文的目的是使用相同的技术来处理包含立方不均匀性的周期性介质的情况。齐纳流变模型对基质和均质等效介质的粘弹性行为进行了建模,而夹杂物被认为是线性弹性的。计算有效粘弹性张量所需的粘弹性希尔张量是在傅立叶级数的拉普拉斯-卡森空间中明确获得的。最终表达式表明,总体行为取决于基体的粘弹性,夹杂物的3D尺寸以及两个附近夹杂物之间的基体层厚度。介绍了在砌体结构中的应用以说明理论结果。 (C)2016 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Composite Structures》 |2016年第12期|275-284|共10页
  • 作者单位

    Euro Engn, Rue Jules Ferry, F-64053 Pau, France|Duy Tan Univ, Inst Res & Dev, K7-25 Quang Trung, Danang, Vietnam;

    Duy Tan Univ, Inst Res & Dev, K7-25 Quang Trung, Danang, Vietnam|Univ Paris Est, MSME UMR CNRS 8208, Lab Modelisat & Simulat Multi Echelle, 5 Blvd Descartes, F-77454 Marne La Vallee 2, France;

    Duy Tan Univ, Inst Res & Dev, K7-25 Quang Trung, Danang, Vietnam;

    Duy Tan Univ, Inst Res & Dev, K7-25 Quang Trung, Danang, Vietnam;

  • 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

    Viscoelastic; Homogenization; Laplace-Carson transform; Cuboidal inclusions;

    机译:粘弹性;均质化;Laplace-Carson变换;长方体夹杂物;

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