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Three-dimensional thermo-elasticity solution of sandwich cylindrical panel with functionally graded core

机译：功能梯度芯夹心圆柱面板的三维热弹性解

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摘要

Based on theory of elasticity, static analysis of a simply supported sandwich panel with functionally graded material (FGM) core subjected to thermo-mechanical mechanical load is carried out. The thermo-elastic constants of the FGM core layer are assumed to be graded in the radial direction according to the power-law of constituents while the Poisson's ratio is assumed to be constant. Analytical solutions for the temperature, stress and displacement fields for the sandwich panel with simply-supported edges are derived by using the Fourier series expansions along the axial and circumferential direction and state-space technique along the radial direction. Accuracy and convergence of the presents approach are validated by comparing the numerical results with those found in literature. In addition, the effects of surface boundary conditions, gradient index, span angle, facing layers thickness and axial length to mid radius ratio on the behavior of the sandwich panel are studied.
机译：基于弹性理论，对具有功能梯度材料（FGM）芯的简支夹芯板进行热机械机械载荷的静态分析。假定FGM芯层的热弹性常数根据成分的幂律在径向上分级，而泊松比则恒定。通过使用沿轴向和周向的傅里叶级数展开以及沿径向的状态空间技术，得出了具有简单支撑边缘的夹心板的温度，应力和位移场的解析解。通过将数值结果与文献中的结果进行比较，验证了本方法的准确性和收敛性。此外，研究了表面边界条件，梯度指数，跨度角，饰面层厚度以及轴向长度与中间半径之比对夹芯板性能的影响。

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  • 来源
    《Composite Structures》 |2014年第1期|458-468|共11页
  • 作者

    A. Alibeigloo;

  • 作者单位

    Mech. Eng. Dep., Faculty of Engineering, Tarbiat Modares University, Tehran, Iran Thermo elasticity Center of Excellence, 15875-4413, Tehran, Iran;

  • 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

    FGM; Sandwich panel; Thermo-elasticity; Three-dimentional; State space;

    机译：女性生殖器;夹心板;热弹性;三维;状态空间;

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