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首页> 外文会议>International Conference on Mechanical and Robotics Engineering >Effect of Plate Aspect Ratio on Buckling Strength of Rectangular Composite Plate with Square/rectangular Cutout Subjected to Various Linearly Varying In-Plane Loading Using Fem
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Effect of Plate Aspect Ratio on Buckling Strength of Rectangular Composite Plate with Square/rectangular Cutout Subjected to Various Linearly Varying In-Plane Loading Using Fem

机译：平板宽高比用FEM用正方形/矩形切口与方形/矩形切口屈曲强度屈曲强度的影响

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摘要

A numerical study has been carried out to investigate the effect of plate aspect ratio on the buckling behavior of a sixteen ply quasi-isotropic graphite/epoxy symmetrically laminated rectangular composite plate [0°/+45°/-45°/90°]_(2s) with square and rectangular cutout subjected to various linearly varying in-plane compressive loads using finite element method (FEM). Further, this paper addresses the effects of size of square/rectangular cutout, plate length/thickness ratio(a/t), boundary conditions on the buckling bahaviour of symmetrically laminated rectangular composite plates subjected to various linearly varying in-plane compressive loading. The results show that the buckling loads of rectangular composite plates with rectangular/square cutout subjected to various linearly varying in-plane loads are decreased by increasing the plate aspect ratio (a/b) and length/thickness (a/t) ratio irrespective of cutout shape, size and boundary conditions. It is observed that the various linearly varying in-plane loads, boundary conditions, aspect ratio (a/b) and length/thickness (a/t) ratio have a substantial influence on buckling strength of rectangular composite plate with square/rectangular cutout.
机译：数值研究已经进行了调查的板宽比在16帘布层准各向同性石墨/环氧树脂层压对称矩形复合板的屈曲行为的影响[0°/ + 45°/ -45°/ 90°] _经受各种（2S）具有方形和矩形切口线性变化的面内采用有限元法（FEM）的压缩载荷。此外，本文地址正方形/矩形切口的尺寸，板的长度/厚度比（a / t）的影响，对的对称屈曲bahaviour边界条件层压经受各种矩形复合板线性变化的面内压缩载荷。结果表明，经受各种具有矩形/正方形切口矩形复合板的压曲载荷线性变化的面内载荷通过增大板的纵横比（A / B）和长度/厚度（A / T）比率，不考虑的降低切口的形状，大小和边界条件。据观察，各个线性调整在面外负荷，边界条件，纵横比（a / b）和长度/厚度（A / T）比率对屈曲矩形复合板的强度与正方形/矩形切口实质性影响。

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