研究了一种变厚度FRP曲面夹芯板的受力性能.利用有限元软件,在拉伸、剪切和弯曲作用下,分析变厚度FRP曲面夹芯板应力分布情况,分析结果得出,应力的最大值发生在支座部位并沿着板长减小.基于Tsai-Wu准则和第一、三主应力,在拉伸、剪切和弯曲组合荷载作用下,考察面层厚度、芯部厚度和铺层方向对破坏模式的影响,分析结果表明,分别增大面层厚度或芯部厚度,或采用0/90/0/90铺层角度,都可以提高夹芯板强度性能,为GFRP曲面夹芯板设计提供指导.
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