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Thermal buckling analysis of skew fibre-reinforced composite and sandwich plates using shear deformable finite element models

机译：偏斜纤维增强复合材料和夹层板热屈曲的剪切变形有限元模型

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摘要

The paper considers the elastic buckling of skew fibre-reinforced composite and sandwich plasters subjected to thermal loads. To the best of the authors' knowledge, there is no paper in the open literature on this subject and the present paper attempts to fill this gap. Two shear deferrable finite element models, one based on first-order shear deformation theory and the other based on higher order shear deformation theory, are employed to obtain thermal buckling solutions. Extensive numerical results are presented for both thin and thick laminated composite plates with various skew angels, lamination parameters and boundary conditions. A few results for skew sandwiches are obtained for various geometric parameters and skew angles. Results presented, not available so far, could be useful to designers and researchers who may sue them as benchmark values to validate their numeric techniques and software for similar problems.
机译：本文考虑了偏斜纤维增强复合材料和夹芯石膏在热负荷下的弹性屈曲。据作者所知，公开文献中没有关于该主题的论文，本论文试图弥补这一空白。两种基于热剪力的有限元模型分别基于一阶剪切变形理论和另一种基于高阶剪切变形理论来获得热屈曲解。给出了具有各种倾斜角度，层压参数和边界条件的薄和厚层压复合板的大量数值结果。对于各种几何参数和偏斜角，可以获得偏斜三明治的一些结果。提出的结果（目前尚无法获得）对设计人员和研究人员可能有用，他们可以将其作为基准值来验证其数字技术和软件是否可解决类似问题。

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