An efficient transport solver for tokamak plasmas

被引：0
|
作者：
Park J.M. [1 ]
Murakami M. [1 ]
St. John H.E. [2 ]
Lao L.L. [2 ]
Chu M.S. [2 ]
Prater R. [2 ]
机构：
[1] Oak Ridge National Laboratory, Oak Ridge, TN
[2] General Atomics, San Diego, CA
来源：
Park, J.M. (parkjm@ornl.gov) | 1600年 / Elsevier B.V., Netherlands卷 / 214期
关键词：
Diffusion equation; Plasma simulation; Tokamak; Transport;
D O I：
10.1016/j.cpc.2016.12.018
中图分类号：
学科分类号：
摘要：
A simple approach to efficiently solve a coupled set of 1-D diffusion-type transport equations with a stiff transport model for tokamak plasmas is presented based on the 4th order accurate Interpolated Differential Operator scheme along with a nonlinear iteration method derived from a root-finding algorithm. Numerical tests using the Trapped Gyro-Landau-Fluid model show that the presented high order method provides an accurate transport solution using a small number of grid points with robust nonlinear convergence. © 2017 Elsevier B.V.
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页码：1 / 5
页数：4
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