通过对变刚度铺放路径进行数学建模,得到变刚度复合材料层合板的拓扑构型,对复合材料层合板内每个离散单元的每个铺层进行纤维角度和铺层厚度的独立设计.然后将拓扑构型数据导入有限元分析软件GENESIS中,实现层合板铺层信息的可视化显示和拉伸性能的分析,得出层合板的弹塑性本构关系.通过仿真数据与实验测试数据进行对比,得出在所构建的变刚度复合材料层合板模型上进行拉伸实验仿真的准确度可达95%.该方法不仅可以可视化地展现出铺放过程中发生重叠的位置、整个复合材料层合板的厚度分布以及每层上铺放角的分布,还可对其在弹塑性范围内的拉伸性能进行精确仿真.
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