基于考虑纤维束面接触的细观结构模型,引入周期性位移边界条件,采用细观有限元方法建立了材料的弹性性能预报模型.模型数值结果与试件实测数据吻合较好,证明了该模型的合理有效性.经详细分析单胞在典型工况载荷作用下的细观应力分布及变形,表明模型体现了周期性相邻单胞表面力和位移的连续性,能获得单胞更为合理的细观应力应变场.
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