simulation_config.yaml

# Default configuration for plasma fluid simulation
physical:
  tau: 0.001   # Temperature ratio (T_i/T_e)
  RN: 1.0     # Density gradient scale length
  RT: 3500.0   # Temperature gradient scale length
  eps: 0.1    # Inverse aspect ratio (for s-alpha geometry)
  shear: 0.0  # Magnetic shear (for s-alpha geometry)
  alpha_MHD: 0.0  # MHD alpha parameter (for s-alpha geometry)
  q0: 2.0     # Safety factor (for s-alpha geometry)
  R0: 1.0     # Major radius (for s-alpha geometry)
  alpha: 0.1  # Adiabaticity parameter (for Hasegawa-Wakatani model)
  kappa: 1.0  # Curvature parameter (for Hasegawa-Wakatani model)
  
numerical:
  nx: 64       # Number of grid points in x
  ny: 64       # Number of grid points in y
  nz: 1        # Number of grid points in z
  Lx: 40.0    # Domain size in x
  Ly: 40.0    # Domain size in y
  Lz: 2.0      # Domain size in z (only used if nz > 1)
  dt: 0.1     # Initial time step (for fixed-step methods)
  max_time: 500.0  # Maximum simulation time
  muHD: 0.01  # Hyperdiffusion coefficient

model_type: 'HW' # '9GM' or 'HW'
geometry_type: 'zpinch'  # 'salpha' or 'zpinch'
nonlinear: true         # Include nonlinear terms
output_dir: 'output'    # Directory for output files
nframes: 200            # Number of output frames