TY - JOUR
T1 - Development of a Lagrange–Monte Carlo scheme for fluid modelling of SOL/divertor plasmas
AU - Tatsumi, Ryoko
AU - Runov, Alexei
AU - Schneider, Ralf
AU - Hatayama, Akiyoshi
N1 - Funding Information:
This work was supported in part by the Program for Leading Graduate Schools, “Global Environmental System Leaders Program” by the Ministry of Education, Culture, Sports, Science and Technology (MEXT) in Japan. One of the authors (R.T.) would like to thank for their support.
Publisher Copyright:
© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
PY - 2018/7/1
Y1 - 2018/7/1
N2 - Aiming at reproducing plasma detachment states with a three-dimensional fluid code, we are developing the Lagrange–Monte Carlo (LG-MC) scheme. It integrates two schemes, namely a Lagrange scheme for the convective part and a Monte Carlo scheme for the diffusive part. One advantage of the scheme is the semi-implicit treatment of the pressure gradient term in the convective part, which is essential to solve pure convective problems. As a first step, several one-dimensional (1D) test calculations have been carried out so far. In this paper, results of the two preliminary tests are presented: (a) a test for the Lagrange scheme solving convective equations, and (b) a test for the integrated LG-MC scheme solving a convection–conduction equation. These tests confirm the conservative property of the Lagrange scheme and the reliability of the integrated LG-MC scheme.
AB - Aiming at reproducing plasma detachment states with a three-dimensional fluid code, we are developing the Lagrange–Monte Carlo (LG-MC) scheme. It integrates two schemes, namely a Lagrange scheme for the convective part and a Monte Carlo scheme for the diffusive part. One advantage of the scheme is the semi-implicit treatment of the pressure gradient term in the convective part, which is essential to solve pure convective problems. As a first step, several one-dimensional (1D) test calculations have been carried out so far. In this paper, results of the two preliminary tests are presented: (a) a test for the Lagrange scheme solving convective equations, and (b) a test for the integrated LG-MC scheme solving a convection–conduction equation. These tests confirm the conservative property of the Lagrange scheme and the reliability of the integrated LG-MC scheme.
KW - Lagrange–Monte Carlo scheme
KW - SOL/divertor plasma
KW - fluid simulation
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U2 - 10.1002/ctpp.201700123
DO - 10.1002/ctpp.201700123
M3 - Article
AN - SCOPUS:85053020653
SN - 0863-1042
VL - 58
SP - 675
EP - 680
JO - Contributions to Plasma Physics
JF - Contributions to Plasma Physics
IS - 6-8
ER -