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首页> 外文期刊>Composite Structures >Effect of thermal gradient load on thermo-elastic vibrational behavior of sandwich plates reinforced by carbon nanotube agglomerations
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Effect of thermal gradient load on thermo-elastic vibrational behavior of sandwich plates reinforced by carbon nanotube agglomerations

机译：热梯度载荷对碳纳米管团聚增强夹层板热弹性振动行为的影响

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摘要

In this study, we investigated the effect of thermal gradient load on natural frequencies of sandwich plates with polymer-based nanocomposite face sheets reinforced by functionally graded (FG) single-walled carbon nanotubes (SWCNTs) agglomerations. Volume fractions and agglomerations of CNTs change across the thickness of each nanocomposite face sheet and temperature-dependent properties of polymer/CNT composite can be estimated with the Eshelby-Mori-Tanaka method. First-order shear deformation theory and a moving least square (MLS) shape function based mesh-free method have also been developed for free vibration and steady state thermal analysis on sandwich plates on two-parameter elastic foundations. We investigated the effects of orientation, aggregation, volume fraction and distribution of CNT. We also studied the effects of essential boundary conditions, sandwich dimensions, and elastic foundation coefficients on frequency behavior of sandwich plates.
机译：在这项研究中，我们调查了热梯度负荷对夹层板固有频率的影响，夹层板具有功能性梯度（FG）单壁碳纳米管（SWCNTs）团聚体增强的聚合物基纳米复合面板。碳纳米管的体积分数和附聚物在每个纳米复合材料面板的整个厚度范围内都会发生变化，并且可以使用Eshelby-Mori-Tanaka方法估算聚合物/ CNT复合材料的温度依赖性。还开发了基于一阶剪切变形理论和基于移动最小二乘（MLS）形状函数的无网格方法来对两参数弹性基础上的夹层板进行自由振动和稳态热分析。我们研究了碳纳米管的取向，聚集，体积分数和分布的影响。我们还研究了基本边界条件，夹心尺寸和弹性地基系数对夹心板频率行为的影响。

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