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Dynamic performance of sandwich composite plates with circular hole/cut-out: A mixed experimental-numerical study

机译：带圆孔/切孔的夹心复合材料板的动力性能：混合实验-数值研究

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摘要

The dynamic characteristics of sandwich composite plates with holes at various locations are investigated both experimentally and through numerical simulations. The critical parameters which affect the natural frequencies of such plates with holes or cut-outs are the core and face sheet thicknesses, diameter and location of the holes and aspect ratio of the plate. A rigorous parametric study has been conducted to determine their interrelationship and presented in a concise manner. An experimental investigation has been conducted in the beginning to get an idea about the variations of the above mentioned parameters. The results can be utilized to determine the changes in dynamic characteristics of sandwich composite plates with holes with specified diameters and locations. The methodology can also be useful to control the dynamic responses of such plates by incorporating holes of chosen diameters at appropriate locations. The results may be used to create design curves for satisfactory dynamic performances of sandwich composite plate with holes. (C) 2015 Elsevier Ltd. All rights reserved.
机译：通过实验和数值模拟研究了在不同位置有孔的夹心复合材料板的动力学特性。影响这种带有孔或切口的板的固有频率的关键参数是芯和面板的厚度，孔的直径和位置以及板的纵横比。进行了严格的参数研究以确定它们之间的相互关系，并以简洁的方式进行介绍。在开始时已经进行了实验研究，以了解上述参数的变化。结果可用于确定具有指定直径和位置的孔的夹心复合材料板的动力特性变化。通过在适当的位置结合选定直径的孔，该方法还可用于控制此类板的动态响应。结果可用于创建设计曲线，以使带孔的夹心复合材料板具有令人满意的动态性能。 （C）2015 Elsevier Ltd.保留所有权利。

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  • 来源
    《Composite Structures》 |2015年第11期|479-489|共11页
  • 作者

    Mondal S.; Patra A. K.; Chakraborty S.; Mitra N.;

  • 作者单位

    Indian Inst Technol Kharagpur, Dept Civil Engn, Kharagpur, W Bengal, India;

    Indian Inst Technol Kharagpur, Dept Civil Engn, Kharagpur, W Bengal, India;

    Indian Inst Technol Kharagpur, Dept Civil Engn, Kharagpur, W Bengal, India;

    Indian Inst Technol Kharagpur, Dept Civil Engn, Kharagpur, W Bengal, India;

  • 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

    Sandwich composite; Plate with cut-out; Modal analysis; Finite element analysis;

    机译：夹心复合材料;开孔板;模态分析;有限元分析;

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