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Antoine Cyril David Hoffmann
Gyacomo
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2211fb85
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2211fb85
authored
10 months ago
by
Antoine Cyril David Hoffmann
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better parameters handling
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1083dcd5
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basic_scripts/parameters_Zpinch.in
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2211fb85
&BASIC
nrun = 99999999 ! number of time step to perform
dt = 0.01 ! time step (not adaptive)
tmax = 100 ! maximal time [c_s/R]
maxruntime = 72000 ! maximal wallclock runtime [sec]
job2load = -1 ! index of the previous run to restart (-1:start a new run)
/
&GRID
pmax = 2 ! maximal degree of the Hermite basis (parallel velocity)
jmax = 1 ! maximal degree of the Laguerre basis (magnetic moment)
Nx = 64 ! number of points in the radial direction
Lx = 200 ! size of the box in the radial direction [rho_s]
Ny = 48 ! bumber of points in the binormal direction
Ly = 60 ! size of the box in the binormal direction [rho_s]
Nz = 1 ! number of points in the magnetic field direction
SG = .f. ! use a staggered grid in z (experimental)
Nexc = -1 ! to fullfill the sheared boundary condition (set -1 for automatic)
/
&GEOMETRY
geom = 'Z-pinch' ! geometry model (Z-pinch,s-alpha,miller,circular)
q0 = 0.0 ! safety factor
shear = 0.0 ! magnetic shear
eps = 0.0 ! inverse aspect ratio
kappa = 1.0 ! elongation
s_kappa= 0.0 ! elongation derivative
delta = 0.0 ! triangularity
s_delta= 0.0 ! triangularity derivative
zeta = 0.0 ! squareness
s_zeta = 0.0 ! squareness derivative
parallel_bc = 'dirichlet' ! to change the type of parallel boundary condition (experimental)
shift_y= 0.0 ! to add a shift in the parallel BC (experimental)
Npol = 1.0 ! set the length of the z domain (-pi N_pol < z < pi N_pol)
/
&DIAGNOSTICS
dtsave_0d = 0.5 ! period of 0D diagnostics (time traces)
dtsave_1d = -1 ! period of 1D diagnostics (nothing)
dtsave_2d = -1 ! period of 2D diagnostics (nothing)
dtsave_3d = 1 ! period of 3D diagnostics (phi, Aparallel, fluid moments etc.)
dtsave_5d = 10 ! period of 5D diagnostics (full set of GMs)
/
&MODEL
LINEARITY = 'nonlinear' ! set if we solve the linear or nonlinear problem
Na = 2 ! number of species (this sets the number of species namelists to be read)
mu_x = 1.0 ! numerical diffusion parameter in the radial direction
mu_y = 1.0 ! numerical diffusion parameter in the binormal direction
N_HD = 4 ! degree of the numerical diffusion
mu_z = 0.0 ! numerical diffusion parameter in the parallel direction (fourth order only)
HYP_V = 'hypcoll' ! numerical diffusion scheme in the velocity space (experimental)
mu_p = 0.0 ! numerical diffusion parameter in the parallel velocity (experimental)
mu_j = 0.0 ! numerical diffusion parameter in the magnetic moment (experimental)
nu = 0.1 ! collision rate, ~0.5 GENE parameter (better to use it instead of num. diff. in velocities)
beta = 0.0 ! plasma beta (not in percent)
ADIAB_E = .f. ! Use an adiabatic electron model (required if Na = 1)
ADIAB_I = .f. ! Use an adiabatic ion model (experimental)
/
&CLOSURE
hierarchy_closure='truncation' ! closure scheme
dmax = -1 ! set the maximal degree of moment to evolve (-1 evolves all th)
nonlinear_closure='anti_laguerre_aliasing' ! set the truncation of the Laguerre convolution (truncation,full_sum,anti_laguerre_aliasing)
nmax = -1 ! set the maximal degree in the truncation of the Laguerre convolution (experimental)
/
&SPECIES ! Defines the species a (out of Na species)
name_ = 'ions' ! name of the species a
tau_ = 1.0 ! temperature (Ta/Te)
sigma_= 1.0 ! sqrt mass ratio (sqrt(ma/mi))
q_ = 1.0 ! charge (qa/e)
k_N_ = 2.0 ! density background gradient, grad ln N (omn in GENE)
k_T_ = 0.4 ! temperature background gradient, grad ln T (omT in GENE)
/
&SPECIES ! defines electrons (if not, use ADIAB_E = true)
! electrons
name_ = 'electrons'
tau_ = 1.0
sigma_= 0.023338
q_ =-1.0
k_N_ = 2.0
k_T_ = 0.4
/
&COLLISION
collision_model = 'DG' !LB/DG/SG/PA/LD (Lenhard-Bernstein, Dougherty, Sugama, pitch angle, Landau)
GK_CO = .t. ! gyrokinetic version of the collision operator (or longwavelength only)
/
&INITIAL
INIT_OPT = 'phi' ! initilization of the system ('phi' put noise in electrostatic, 'blob' is like 'ppj' in GENE)
init_noiselvl = 0.005 ! amplitude of the noise init (for 'phi' init only)
iseed = 42 ! random seed
/
&TIME_INTEGRATION
numerical_scheme = 'RK4' ! numerical scheme for time integration (RK2,3,4 etc.)
/
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