热导率
材料科学
复合材料
复合数
热阻
热的
微观结构
界面热阻
保温
热膨胀
热扩散率
热障涂层
热冲击
热力学
物理
作者
C. F. T. Matt,Manuel Fernández Cruz
标识
DOI:10.1080/10407780701678380
摘要
This article presents a numerical scheme, based on an isoparametric second-order finite-element discretization of the unit cell heat conduction problem, to calculate the effective thermal conductivity of composite materials with general 3-D microstructures and interfacial thermal resistance. Representative numerical results for the effective conductivity of ordered arrays of spheres, prolate ellipsoids of revolution, and finite-length circular cylinders are presented and, when possible, validated against previous analytical predictions. Furthermore, the effective conductivity of a disordered multiparticle cell is calculated, showing that the present computational approach is a valuable tool for understanding the macroscopic thermal behavior of composite materials.
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