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Buckling and vibration of composite laminated plates with variable fiber spacing

机译:纤维间距可变的复合层压板的屈曲和振动

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摘要

Buckling and vibration of composite laminated plates with variable fiber spacing were studied by use of finite element method. The formulation of the location-dependent stiffness matrix due to nonhomogene-ous material properties was derived. The results indicate that the more fibers distributed in the central portion of the plate may efficiently increase the buckling load and natural frequencies. The fibers distributed in the outer portion of the plate may increase the critical buckling load. However, they will decrease the natural frequencies due to increasing more mass than stiffness. The fiber distribution may change the stiffness and mass of the plate. Therefore, the sequence of the natural mode may be altered.
机译:利用有限元方法研究了纤维间距可变的复合层合板的屈曲和振动。推导了由于非均质材料特性导致的位置相关刚度矩阵的公式。结果表明,更多的纤维分布在板的中心部分,可以有效地增加屈曲载荷和固有频率。分布在板外部的纤维可能会增加临界屈曲载荷。但是,由于质量比刚度增加,它们将降低固有频率。纤维分布可能会改变板的刚度和质量。因此,自然模式的顺序可能会改变。

著录项

  • 来源
    《Composite Structures》 |2009年第2期|196-200|共5页
  • 作者

    Shih-Yao Kuo; Le-Chung Shiau;

  • 作者单位

    Department of Aviation Service Management, Aletheia University, Tainan, Taiwan, ROC;

    Department of Aeronautics and Astronautics, National Cheng-Kung University, Tainan, Taiwan, ROC;

  • 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

    fiber spacing; buckling; vibration; composite laminated plate;

    机译:纤维间距屈曲振动;复合层压板;

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