提出了一种计算复合材料有效性能的分步格式,用以解决高体分比和多夹杂复合材料的有效性能计算.对于多类夹杂问题,模型分步处理每一类夹杂,并分步计算复合材料的有效性能.给出了多夹杂复合材料性能的数值计算结果.数值结果与实验数据符合很好.研究表明,对于二元复合材料,现有的分步格式能够很好地处理接近于1的高体分比夹杂问题,其结果与微分法的结果基本相同,分步格式能够有效地处理具有不同形状和尺寸的多类夹杂问题.
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