L. Stals   R. Numata   R. Ball   
SIAM JOURNAL ON SCIENTIFIC COMPUTING 31(2) 961-986 2008年 [査読有り]
The Hasegawa-Wakatani system of equations may be used to predict and study the behavior of plasma flow. Stability analysis of the flow requires results over prolonged time series, which places a great strain on computational resources. Results can...
Ryusuke Numata   Rowena Ball   Robert L. Dewar   
PHYSICS OF PLASMAS 14(10) 2007年10月 [査読有り]
The Hasegawa-Wakatani equations, coupling plasma density, and electrostatic potential through an approximation to the physics of parallel electron motions, are a simple model that describes resistive drift wave turbulence. Numerical analyses of bi...
Ryusuke Numata   Rowena Ball   Robert L. Dewar   
FRONTIERS IN TURBULENCE AND COHERENT STRUCTURES 6 431-442 2007年 [査読有り]
In a two-dimensional version of the modified Hasegawa-Wakatani (HW) model, which describes electrostatic resistive drift wave turbulence, the resistive coupling between vorticity and density does not act on the zonal components (k(y) = 0). It is t...
Dan Hori   Masaru Furukawa   Shuichi Ohsaki   Ryusuke Numata   Zensho Yoshida   
JOURNAL OF PLASMA PHYSICS 72 965-970 2006年12月 [査読有り]
We have developed a new shell model for the Hall magnetohydrodynamic (MHD) system to investigate the spectral properties of the plasma turbulence. Through the numerical simulation of the shell model, in the Hall MHD case, we find that the energy s...
A three-dimensional Hall-Magnetohydrodynamics (Hall-MHD) simulation code has been developed to study the self-organization process in two-fluid plasmas. An appreciable amount of flow is created in the direction perpendicular to the magnetic field,...