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推导了基于Ｈｕｆ假设的复合材料夹层结构的主要理论公式，采用８结点Ｓｅｒｅｎｄｉｐｉｔｙ元素，推出相应的有限元列式的［Ｂ］和［Ｄ］阵，这种元素既是协调元又是高精元，对于研究分析复合材料结构有重要意义。
The main theoretical formula of composite sandwich structure based on Huf assumption is deduced. Using the 8-node Serendipity element, the corresponding finite element formulas [B] and [D] are deduced. These elements are both the coordinating element and the high- Research and analysis of composite structure is of great significance.