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Title: An efficient transport solver for tokamak plasmas

Abstract

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 accurate transport solution using a small number of grids with robust nonlinear convergence.

Authors:
 [1];  [1];  [2];  [2];  [2];  [2]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. General Atomics, San Diego, CA (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); General Atomics, San Diego, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Fusion Energy Sciences (FES)
OSTI Identifier:
1344254
Alternate Identifier(s):
OSTI ID: 1375926; OSTI ID: 1396489
Grant/Contract Number:  
AC05-00OR22725; FC02-04ER54698
Resource Type:
Accepted Manuscript
Journal Name:
Computer Physics Communications
Additional Journal Information:
Journal Volume: 214C; Journal ID: ISSN 0010-4655
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; 97 MATHEMATICS AND COMPUTING; plasma simulation; diffusion equation; transport; tokamak

Citation Formats

Park, Jin Myung, Murakami, Masanori, St. John, H. E., Lao, Lang L., Chu, M. S., and Prater, Ronald. An efficient transport solver for tokamak plasmas. United States: N. p., 2017. Web. doi:10.1016/j.cpc.2016.12.018.
Park, Jin Myung, Murakami, Masanori, St. John, H. E., Lao, Lang L., Chu, M. S., & Prater, Ronald. An efficient transport solver for tokamak plasmas. United States. https://doi.org/10.1016/j.cpc.2016.12.018
Park, Jin Myung, Murakami, Masanori, St. John, H. E., Lao, Lang L., Chu, M. S., and Prater, Ronald. Tue . "An efficient transport solver for tokamak plasmas". United States. https://doi.org/10.1016/j.cpc.2016.12.018. https://www.osti.gov/servlets/purl/1344254.
@article{osti_1344254,
title = {An efficient transport solver for tokamak plasmas},
author = {Park, Jin Myung and Murakami, Masanori and St. John, H. E. and Lao, Lang L. and Chu, M. S. and Prater, Ronald},
abstractNote = {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 accurate transport solution using a small number of grids with robust nonlinear convergence.},
doi = {10.1016/j.cpc.2016.12.018},
journal = {Computer Physics Communications},
number = ,
volume = 214C,
place = {United States},
year = {Tue Jan 03 00:00:00 EST 2017},
month = {Tue Jan 03 00:00:00 EST 2017}
}

Journal Article:

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Cited by: 12 works
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Works referencing / citing this record:

On benchmarking of simulations of particle transport in ITER
journal, June 2019


Machine-learning assisted steady-state profile predictions using global optimization techniques
journal, October 2019


Integrated modeling of high β N steady state scenario on DIII-D
journal, January 2018

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