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Effective mechanical properties of EM composite conductors: an analytical and finite element modeling approach

机译：EM复合导体的有效机械性能：一种分析和有限元建模方法

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摘要

An analytical model and numerical approach to predict the effective mechanical properties of a composite conductor consisting of metallic core and insulation layers are presented in this paper. The analytical model was developed based on a two-step homogenizations and mechanics analysis for composite unit cell. The Step 1 homogenization derives the effective properties of the out-wrapped composite insulation layers. The Step 2 homogenization further smears the metallic core and the effective composite insulation layers to develop homogenized mechanical properties for composite conductor according to appropriate homogenization sequences. The procedure of using numerical approach and finite element method to determine the unit cell effective constants were also described and the results of the FEA prediction were presented. The analytical predictions were compared well to the numerical results for the nine material constants that characterize the effective mechanical properties of the composite conductor.
机译：本文提出了一种分析模型和数值方法来预测由金属芯和绝缘层组成的复合导体的有效机械性能。基于两步均化和复合材料单元格的力学分析，开发了分析模型。步骤1均质化可以得出外包裹复合绝缘层的有效特性。步骤2的均质化还会进一步涂抹金属芯和有效的复合绝缘层，以根据适当的均质化顺序为复合导体开发均质的机械性能。描述了使用数值方法和有限元方法确定晶胞有效常数的过程，并给出了有限元分析的预测结果。将分析预测与表征复合导体有效机械性能的九种材料常数的数值结果进行了很好的比较。

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