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Thermal buckling analysis of laminated composite beams using hyperbolic refined shear deformation theory

机译:基于双曲精细剪切变形理论的层合组合梁热屈曲分析

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摘要

In this article, thermal buckling of laminated composite beams, based on hyperbolic refined shear deformation theory, presented for the first time, is formulated using the principle of minimum total potential energy. Navier's analytical solution is derived to analytically solve the differential equations and the thermal critical buckling is presented in closed-form solution. The effects of temperature distribution, length to thickness ratio, modulus ratio, and thermal expansion coefficient ratio on thermal buckling of isotropic, orthotropic and laminated composite beams are investigated. The accuracy of the numerical model is verified by comparison with the available results in the literature.
机译:在本文中,首次提出了基于双曲细化剪切变形理论的层合复合材料梁的热屈曲,其依据是最小总势能原理。导出Navier的解析解来解析微分方程,并以封闭形式给出热临界屈曲。研究了温度分布,长宽比,模量比和热膨胀系数比对各向同性,正交各向异性和层合复合梁的热屈曲的影响。通过与文献中的可用结果进行比较,可以验证数值模型的准确性。

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