Quantitative modeling of ICRF antennas with integrated time domain RF sheath and plasma physics
Quantitative modeling of ICRF antennas with integrated time domain RF sheath and plasma physics
复制标题
具有集成时域射频鞘和等离子体物理特性的 ICRF 天线的定量建模
DOI：
10.1063/1.4864506
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发表时间：
2014
影响因子：
2.2
通讯作者：
J. Myra
中科院分区：
文献类型：
--
作者：
D. Smithe;D. D'Ippolito;J. Myra
已作出重大努力，以定量基准鞘子网格模型中使用的等离子体浸没天线近场，其中包括非常详细的三维几何形状，慢波的存在下，鞘电位的非线性演化的时域模拟。我们提出了我们的定量基准测试策略，和ITER天线配置的结果，包括电场的详细地图，以及沿沿着整个天线结构的鞘电位。我们的方法基于时域线性等离子体模型[1]，使用有限差分电磁Vorpal/Vsim软件[2]。该模型已通过非线性射频鞘子网格模型[3]进行了扩充，该模型为金属表面附近的等离子体电流提供了自洽边界条件。很早以前，这种算法就被设计和证明可以处理非常复杂的三维几何形状，这些几何形状来自CAD或其他复杂的实际硬几何描述。
Significant efforts have been made to quantitatively benchmark the sheath sub-grid model used in our time-domain simulations of plasma-immersed antenna near fields, which includes highly detailed three-dimensional geometry, the presence of the slow wave, and the non-linear evolution of the sheath potential. We present both our quantitative benchmarking strategy, and results for the ITER antenna configuration, including detailed maps of electric field, and sheath potential along the entire antenna structure. Our method is based upon a time-domain linear plasma model [1], using the finite-difference electromagnetic Vorpal/Vsim software [2]. This model has been augmented with a non-linear rf-sheath sub-grid model [3], which provides a self-consistent boundary condition for plasma current where it exists in proximity to metallic surfaces. Very early, this algorithm was designed and demonstrated to work on very complicated three-dimensional geometry, derived from CAD or other complex description of actual hard...