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An analytical model for predicting the deflection of laminated basalt composite plates under dynamic loads

机译：动力作用下层状玄武岩复合板变形预测的解析模型

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摘要

The nonlinear dynamic response of laminated basalt composite plates has been investigated under dynamic loads. The geometric nonlinearity effects are taken into account with the von Karman large deflection theory of thin plates. All edges simply supported boundary conditions are considered. The equations of motion for the plate are derived by the use of the virtual work principle. Approximate solutions are assumed for the space domain and substituted into the equations of motion. Then the Galerkin Method is used to obtain the nonlinear differential equations in the time domain. The finite difference and Newmark methods are applied to solve the system of coupled nonlinear equations. The effects of different loading conditions on the laminated basalt composites have been investigated. A parametric study is conducted considering the effects of aspect ratio, fiber orientation, peak pressure values, thickness, and waveform parameter. The objective is to show that, the laminated basalt composites would be a good alternative for structures under dynamic loads.
机译：研究了层合玄武岩复合板在动态载荷下的非线性动力响应。 von Karman薄板大挠度理论考虑了几何非线性效应。考虑所有边缘简单支持的边界条件。板的运动方程式是通过使用虚拟工作原理得出的。假定对空间域有近似解，并将其代入运动方程。然后使用伽勒金方法获得时域的非线性微分方程。应用有限差分和Newmark方法求解耦合非线性方程组。研究了不同加载条件对层状玄武岩复合材料的影响。考虑长宽比，纤维取向，峰值压力值，厚度和波形参数的影响，进行了参数研究。目的是表明，层状玄武岩复合材料将是动态载荷下结构的良好替代品。

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  • 来源
    《Composite Structures》 |2014年第sepaaocta期|273-285|共13页
  • 作者

    Sueleyman Bastuerk; Haydar Uyanik; Zafer Kazanci;

  • 作者单位

    Turkish Air Force Academy, Aeronautics and Space Technologies Institute, 34149 Yesilyurt, Istanbul, Turkey;

    Turkish Air Force Academy, Aerospace Engineering Department, 34149 Yesilyurt, Istanbul Turkey;

    Turkish Air Force Academy, Aerospace Engineering Department, 34149 Yesilyurt, Istanbul Turkey;

  • 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

    Basalt; Laminated composite; Plate; Simply-supported; Dynamic loads;

    机译：玄武岩层压复合材料;盘子;简单支持;动态负载;

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