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材料工程  2011 

纵横加筋对复合材料单元在大网格下高精度计算的影响

Keywords: 复合材料,筋条,大网格,高精度,自编单元

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Abstract:

利用八节点薄壳单元的相关理论,通过自编单元实现了加筋前后双曲度复合材料薄壳单元的大网格高精度计算,通过两种结果的对比发现纵横加筋对自编单元实现大网格下的高精度计算影响不大。从精度和效率上来讲,由于加筋后对精度的影响小这一特点,因此可将其应用于加筋与不加筋情况下的各种有限元分析,这样为解决大型工程问题提供了有效的有限元分析途径,显著提高了效率。

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