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Aeroelastic analysis of smart composite structures in hygro-thermal environment

机译:湿热环境下智能复合结构的气动弹性分析

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摘要

Aeroelastic performances of smart composite plates under aerodynamic loads are investigated in hygro-thermal environment. The active fiber composite (AFC) which is more effective and adaptive than conventional monolithic piezoelectric material is used in the present analysis to control the undesirable response due to hygrothermal effect. In the presence of hygrothermal load the composite structure becomes weak. But the structure can regain its stiffness in hygro-thermal environment when the AFC layer is activated with the help of applied voltage. The AFC is also effective to enhance the flutter boundary of present aeroelastic structure in hygro-thermal environment.
机译:研究了湿热环境下智能复合材料板在气动载荷下的气动弹性性能。在本分析中,使用比常规整体压电材料更有效和更具适应性的活性纤维复合材料(AFC)来控制由于湿热效应引起的不良响应。在存在湿热负荷的情况下,复合结构变得脆弱。但是,当通过施加电压激活AFC层时,该结构可以在湿热环境中恢复其刚度。在湿热环境下,AFC还可以有效地增强当前气动弹性结构的颤动边界。

著录项

  • 来源
    《Composite Structures》 |2010年第4期|1027-1038|共12页
  • 作者

    P.K. Mahato; D.K. Maiti;

  • 作者单位

    Department of Aerospace Engineering, Indian Institute of Technology, Kharagpur 721302, India;

    Department of Aerospace Engineering, Indian Institute of Technology, Kharagpur 721302, 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

    flutter; AFC; hygrothermal; actuator; sensor; geometric stiffness;

    机译:扑;亚足联;湿热执行器传感器;几何刚度;

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