Stellarator-Tools-Docs/vmec_namelist_sec.html

&indata

  delt = 1.0,

  tcon0 = 2.0,

  nfp = 1,

  ns_array = 15,

  ftol_array = 1.0e-20,

  niter = 25000,

  nstep = 200,

  ntor = 0,

  mpol = 2,

  lasym = f,

  lfreeb = f,


  gamma = 0.0,

  phiedge = -0.05,

  bloat = 1.0,


  raxis_cc(0) = 1.0,

  zaxis_cs(0) = 0.0,

  rbc(0,0) = 1.0,

  rbc(0,1) = 0.25,

  zbs(0,0) = 0.0,

  zbs(0,1) = 0.25,


  ncurr = 1,

  curtor = 40000.0,

  pcurr_type = 'line_segment_I',

  ac_aux_s = 0.0, 1.0,

  ac_aux_f = 1.0, 0.0,


  spres_ped = 1.0,

  pres_scale = 400.0,

  pmass_type = 'line_segment',

  am_aux_s = 0.0, 1.0,

  am_aux_f = 1.0, 0.0,

/

@end code


@section vmec_namelist_prog_ref_sec programmers reference

reference material for the coding to implement this namelist is found in the

@ref vmec_input module.

vmec_input
This file contains all the variables for a VMEC namelist input file. The module contained within does...
Definition: vmec_input.f:234
`omp_num_threads`	Number of openmp threads to use. DEPRECATED	vmec_input::omp_num_threads
`gamma`	Adiabatic factor for the pressure perturbation.	vmec_input::gamma
`niter`	Maximum number of iterations to run. DEPRECATED Use vmec_input::niter_array instead.	vmec_input::niter
`niter_array`	Array of iterations for the multigrid runs.	vmec_input::niter_array @iten{pre_niter, Number of iterations to run after the preconditioner is activated. There special control values. -1 Default behavor. -2 Keep niter intact. vmec_input::pre_niter}
`time_slice`	Time index value to label the output files.	vmec_input::time_slice
`nstep`	Number of iterations between screen output.	vmec_input::nstep
`nvacskip`	Number of iterations between vacuum responses.	vmec_input::nvacskip
`delt`	Time step value for minimization.	vmec_input::delt
`ftol`	Force tolarance for minimization. DEPRECATED Use vmec_input::ftol_array instead.	vmec_input::ftol
`ftol_array`	Array of force tolarances for the multigrid runs.	vmec_input::ftol_array
`tcon0`	Weight factor for constraint force.	vmec_input::tcon0
`precon_type`	Type of preconditioner.	vmec_input::precon_type
`prec2d_threshold`	Force tolarance where the preconditioner is turned on.	vmec_input::prec2d_threshold
`lgiveup`	Stop early if convergence is poor.	vmec_input::lgiveup
`fgiveup`	Theshold tolarance for early exit.	vmec_input::lgiveup
`lmove_axis`	Allow movement of the magnetic axis.	vmec_input::lmove_axis
`lmac`	UNKNOWN	vmec_input::lmac
`lforbal`	Use non-variational forces to ensure force balance.	vmec_input::lforbal
`lasym`	Allow non-stellarator symmetric terms.	vmec_input::lasym
`lrfp`	Run in RFP mode. When true the iota profile becomes the q profile.	vmec_input::lrfp
`loldout`	Use text output when writting wout files. DEPRECATED	vmec_input::loldout
`ldiagno`	Get output for diagno 1.0 and 1.5.	vmec_input::ldiagno
`lbsubs`	Capture current sheets.	vmec_input::lbsubs
`lfull3d1out`	Write out full threed1 file if force tolarance is not met.	vmec_input::lfull3d1out
`lwouttxt`	Write out text based woutfile. Note text based wout files are deprecated.	vmec_input::lwouttxt
`lnyquist`	Write out the full nyquest spectrum when true. Write out a truncated spectrum to match mpol and ntor used for the equilibrium.	vmec_input::lnyquist
`nsin`	Number of radial flux surfaces. DEPRECATED Use vmec_input::ns_array instead.	vmec_input::nsin
`ns_array`	Number of radial flux surfaces for each grid size.	vmec_input::ns_array
`aphi`	Radial surface redistribution factors.	vmec_input::aphi
`mpol`	Total number of poloidal modes.	vmec_input::mpol
`ntor`	Largest value of the toroidal modes.	vmec_input::ntor
`nfp`	Number of field periods.	vmec_input::nfp
`ntheta`	Number of poloidal grid points.	vmec_input::ntheta
`nzeta`	Number of toroidal grid points.	vmec_input::nzeta
`lfreeb`	Use external fields to determine the boundary shape.	vmec_input::lfreeb
`extcur`	Array of external field coil currents.	vmec_input::extcur
`mgrid_file`	Path to the mgrid file.	vmec_input::mgrid_file
`curtor`	Total toroidal current.	vmec_input::curtor
`ncurr`	Control to use current profile.	vmec_input::ncurr
`pcurr_type`	Current profile type. sum_cossq_s Sum of cos^2 waves. I' sum_cossq_sqrts Sum of cos^2 with respect to sqrt(s). I' sum_cossq_s_free Sum of cos^2 waves up to 7. Free position and width. I' gauss_trunc Truncated gaussian. I' two_power ac(0)(1 - s^ac(1))^ac(2). two_power_gs ac(0)((1 - s^ac(1))^ac(2)(1 + Sum_{i}ac(i)exp(-((s - ac(i + 1))/ac(i + 2))^2)). sum_atan Sum of arctangents. power_series_I Power series. power_series Power series. I' (Default) Akima_spline_Ip Akima splines. I' Akima_spline_I Akima splines. cublic_splines_Ip Cublic splines. I' cublic_splines_I Cublic splines. I pedestal Pedestal profile. rational Rational function (ratio of polynomials). line_segment_Ip Line segments. I' line_segment_I Line segments. For more information See also pcurr	vmec_input::pcurr_type
`ac`	Parameterized current profile coefficents.	vmec_input::ac
`ac_aux_s`	Radial knot position for the current profile splines.	vmec_input::ac_aux_s
`ac_aux_f`	Knot amplitudes for the current profile splines.	vmec_input::ac_aux_f
`bloat`	Expansion factor for the current profile.	vmec_input::bloat
`piota_type`	Rotational transform profile type. sum_atan Sum of arctangents. Akima_spline Akima_splines. cublic_splines Cublic splines. rational Rational function (ratio of polynomials). nice_quadratic Quadratic with rearranged coefficients. line_segment Line segments. power_series Power series. (Default) For more information See also piota	vmec_input::piota_type
`ai`	Parameterized rotational transform profile coefficents.	vmec_input::ai
`ai_aux_s`	Radial knot position for the rotational transform profile splines.	vmec_input::ai_aux_s
`ai_aux_f`	Knot amplitudes for the rotational transform profile splines.	vmec_input::ai_aux_f