Effects of resistivity and viscosity on dynamic evolution and radial position change of m/n= 3/1 double tearing mode

XQ Lu, W Guo, ZW Ma, HW Zhang, WF Guo - Nuclear Fusion, 2023 - iopscience.iop.org
The effects of the plasma resistivity and viscosity on the dynamic evolution of the m/n= 3/1
double tearing mode (DTM) are studied and analyzed quantitatively using the CLT (Ci-Liu …

Influence of Hall effect and toroidal flow on the plasmoid formation and incomplete reconnection in a low resistivity plasma in tokamak

W Zhang, ZW Ma, HW Zhang - Nuclear Fusion, 2021 - iopscience.iop.org
The nonlinear resistive-kink mode in the low resistivity plasma in tokamak is investigated
through the three-dimensional, toroidal, and nonlinear Hall-MHD code CLT. It is found that …

Zonal flow generation and toroidal Alfvén eigenmode excitation due to tearing mode induced energetic particle redistribution

HW Zhang, ZW Ma, J Zhu, W Zhang, ZY Qiu - Nuclear Fusion, 2022 - iopscience.iop.org
Generation of the n= 0 zonal flow and excitation of the n= 1 toroidal Alfvén eigenmode (TAE)
due to the redistribution of energetic particles (EPs) by the m/n= 2/1 tearing mode (TM) are …

Study of the influence of magnetic shear on the linear MHD instabilities in the pedestal of elongated divertor configurations using CLT code

Y Xu, S Mao, W Chen, Z Ma… - Contributions to Plasma …, 2024 - Wiley Online Library
Edge localized modes resulted from magnetohydrodynamic (MHD) instabilities in the
pedestal region are a significant concern for future tokamaks. In this work, Ci‐Liu‐Ti (CLT) …

Sawtooth-like oscillations and steady states caused by the m/n= 2/1 double tearing mode

W Zhang, MA Zhiwei, H Zhang… - Plasma Science and …, 2022 - iopscience.iop.org
The sawtooth-like oscillations resulting from the//mn 2 1= double tearing mode (DTM) are
numerically investigated through the three-dimensional, toroidal, nonlinear resistive-MHD …

Development of a tokamak magnetohydrodynamic code with the discontinuous Galerkin and Weighted Essentially Non-Oscillatory methods

J Ma, W Guo, Y Xie - Computer Physics Communications, 2024 - Elsevier
In this study, we present the development of a new initial-value magnetohydrodynamic
(MHD) code for toroidal geometry using discontinuous Galerkin (DG) and Weighted …

Pseudo-spectral solver versus grid-based solver: A quantitative accuracy test using GMHD3D and PLUTO4. 4

S Biswas, R Ganesh - Computers & Fluids, 2024 - Elsevier
We provide a thorough comparison of the GMHD3D code and the PLUTO4. 4 code for both
two-and three-dimensional hydrodynamic and magnetohydrodynamic problems. The open …

An adaptive moving mesh finite difference scheme for tokamak magneto-hydrodynamic simulations

J Wang, JM Duan, ZW Ma, W Zhang - Computer Physics Communications, 2024 - Elsevier
An adaptive moving mesh finite difference scheme is developed for tokamak magneto-
hydrodynamic (MHD) simulations, based on the CLT code (S. Wang and ZW Ma, Phys …

Hall MHD Simulations of MARFE movements in limiter and divertor configurations

Y Zu, Z Ma, W Zhang, W Chen, Y Xu, G Zhuang - Nuclear Fusion, 2025 - iopscience.iop.org
MARFE movements in limiter and divertor configurations are studied using impurity Hall
MHD code CLT. We simulate the MARFE movement experiment on J-TEXT and validated …

Numerical studies of sawtooth crashes with non-monotonic safety factor profiles

X Wang, W Zhang, ZW Ma - Nuclear Fusion, 2024 - iopscience.iop.org
The sawtooth crashes with non-monotonic q profiles are numerically investigated by the
three-dimensional, toroidal-geometry MHD code (CLT). We find that, when the initial q …