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复合材料层合板非线性热屈曲分析

Keywords: 热屈曲,材料非线性,复合材料层合板,高阶理论

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Abstract:

本文基于高阶变形理论和修正型Hahn-Tsai非线性本构模型,提出一种复合材料层合板非线性热屈曲分析方法.针对四边简支反对称角铺设复合材料层合板,导出了非线性热屈曲临界温度封闭解.数值结果表明:材料非线性能显著降低层合板临界温度.

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