Development of High-Performance Electromagnetic Analysis for Design of Engineering Application of High-Temperature Superconductor

高温超导体屏蔽电流密度的计算是高温超导体工程应用中不可或缺的一个重要环节，目前已经发展了多种数值计算方法来分析屏蔽电流密度。然而，所有的方法一直困扰着以下两个致命的困难：（1）缓慢的速度，由于隐式计划和（2）残疾处理高温超导样品含有裂纹或孔。在本研究中，两个新的数值技术，即。e.本构关系修正法和虚拟电压法是解决这两个难题的有效方法。

Since evaluation of the shielding current density is indispensable to engineering applications of high-temperature superconductors (HTSs), various numerical methods have been so far developed for analyzing the shielding current density. However, all of the methods have been plagued by the following two fatal difficulties : (1) slow speed due to implicit schemes and (2) disability to treat HTS samples containing cracks or holes. In the present study, two novel numerical techniques, i. e. constitutive-relation-modification method and virtual-voltage method, are proposed for resolving the above two difficulties.