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基于Cosserat理论的微观结构对非均质材料有效性能的影响分析

ZHAO Yong,ZHANG Ruojing

Computer Aided Engineering（2010）

Cited 23|Views1
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Abstract
为更有效地研究具有周期性微观结构的非均质材料平面应变问题,用基于Cosserat理论的渐进均匀化方法得到微观结构对非均质材料有效性能的影响情况.计算结果表明,单胞内夹杂体的形状对有效杨氏弹性模量、有效泊松比、有效Cosserat弹性常数和有效材料特征长度有影响,并且随着夹杂体与单胞体积比的增大而影响明显.
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Key words
effective property,asymptotic homogenization method,Cosserat theory,heterogeneous material
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