本文推导一种基于整体-局部位移假设的高阶理论, 该理论满足层间位移、应力连续条件,满足上、下自由表面条件.建立基于此高阶理论的三节点三角形层合板单元.数值计算结果表明此高阶理论能很好地描述剪切变形效应,该位移单元不仅能很好地计算整体位移参数,而且能很好地计算横向剪切应力.
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