提出一种三层32结点温度壳单元,对蜂窝夹芯复合材料壳体的瞬态温度场进行了有限元分析.分别假定上下面板与芯层沿厚度方向的温度分布规律,事先近似满足上下表面的热边界条件及层间的温度连续条件,以消减总的自由度数.壳体内外表面可以同时考虑热流、对流及辐射换热边界条件,并通过温度的后处理使芯层温度场也满足层间的热流连续条件,从而进一步提高温度场计算的准确性.两个实例分析验证了所提出单元的可靠性与有效性.
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