Abstract Superconducting cable-in-conduct-conductors (CICC) are multi-stage structures with complex geometries. We study the contact behavior and tensile stiffness for a new design of CICC. The geometrical configurations of the new design of CICC is first formulated. Based on the superposition principle, a simple theoretical model is proposed to study the contact behavior of the new design of CICC. A wide range of numerical simulations have been performed by using finite element method. The contact force and tensile stiffness are analyzed by changing the winding laps of C u strand. Further, an extensive parametric study is conducted in which the effect of tensile stiffness on the contact properties are also considered. The results show the trend of the contact properties and tensile stiffnesses in the new design of CICC which can be used to optimize the superconducting CICC. This analytical and computational studies provide a guide for new design of CICC to improve the mechanical properties of CICC by controlling the winding patterns of each strand.

中文翻译：

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采用 CWS 设计的 CICC 中的接触行为和拉伸刚度

摘要 超导电缆导体（CICC）是具有复杂几何形状的多级结构。我们研究了新设计的 CICC 的接触行为和拉伸刚度。CICC 新设计的几何配置首先被制定。基于叠加原理，提出了一个简单的理论模型来研究新设计的CICC的接触行为。已经通过使用有限元方法进行了广泛的数值模拟。通过改变C u 股的缠绕圈数来分析接触力和拉伸刚度。此外，还进行了广泛的参数研究，其中还考虑了拉伸刚度对接触特性的影响。结果显示了可用于优化超导 CICC 的新设计的 CICC 中的接触性能和拉伸刚度的趋势。这种分析和计算研究为 CICC 的新设计提供了指导，以通过控制每条链的缠绕模式来改善 CICC 的机械性能。