【摘 要】
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The effective dielectric response of linear composites containing graded material is investigated under an applied electric field Eo. For the cylindrical inclus
【机 构】
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School of Agriculture and Light Industry Engineering,Institute of Oceanology
【基金项目】
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国家高技术研究发展计划(863计划);中国科学院知识创新工程项目;中国科学院\"百人计划\"
论文部分内容阅读
The effective dielectric response of linear composites containing graded material is investigated under an applied electric field Eo. For the cylindrical inclusion with gradient dielectric function, εi(r) = b+cr, randomly embedded in a host with dielectric constant εm, we have obtained the exact solution of local electric potential of the composite media regions, which obeys a linear constitutive relation D= εE, using hypergeometric function. In dilute limit, we have derived the effective dielectric response of the linear composite media. Furthermore, for larger volume fraction, the formulas of effective dielectric response of the graded composite media are given.
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