研究复合材料斜交层板的柱状弯曲问题,建立新的数值计算方法.在厚度方向,利用翘曲修正理论,推导出了层板面内位移的两个序列分布规律;在长度方向,采用升阶谱位移函数,应用最小势能原理,给出了层板柱状弯曲的特殊有限元模型.通过典型例题的计算表明:应力、位移在厚度方向的分布计算结果与精确弹性解符合很好.本文方法的自由度少,方法简单,优于一阶剪切理论、高阶理论,适用于解决层板弯曲问题.
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