详细分析了三维四步法1×1编织预制件的细观结构特征,并以此为基础对纱线的空间几何形态进行详尽的数学描述,提出了细观力学代表单元分析模型.与现有分析模型相比,该模型更准确地描述了纱线弯曲形态及各纱线间的空间位置关系,为后续材料的各种性能的分析奠定了基础.
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