Optimization of finite-build stellarator coils
Optimization of finite-build stellarator coils
复制标题
有限构建仿星器线圈的优化
DOI：
--
复制
发表时间：
2020
影响因子：
2.5
通讯作者：
D. Anderson
中科院分区：
文献类型：
--
作者：
L. Singh;T. Kruger;A. Bader;C. Zhu;S. Hudson;D. Anderson
寻找具有理想物理和工程特性的线圈组是现代仿星器设备设计的关键一步。现有仿星器线圈优化代码最终产生零厚度灯丝线圈。然而，仿星器线圈具有有限的深度和厚度，这可能使单灯丝模型成为较差的近似，特别是当线圈构建尺寸与线圈-等离子体距离相比相对较大时。在本文中，我们提出了一种新的方法来设计线圈与有限的建设，并提出了一种机制，以优化方向的绕组包。我们近似有限构建线圈与多丝模型。数值实现已经开发，螺旋对称eExperiment仿星器和一个新的UW-Madison准螺旋对称配置的应用程序。
Finding coil sets with desirable physics and engineering properties is a crucial step in the design of modern stellarator devices. Existing stellarator coil optimization codes ultimately produce zero-thickness filament coils. However, stellarator coils have finite depth and thickness, which can make the single-filament model a poor approximation, particularly when coil build dimensions are relatively large compared to the coil–plasma distance. In this paper, we present a new method for designing coils with finite builds and present a mechanism to optimize the orientation of the winding pack. We approximate finite-build coils with a multi-filament model. A numerical implementation has been developed, and applications to the Helically Symmetric eXperiment stellarator and a new UW-Madison quasihelically symmetric configuration are shown.