!=================================================================================================================================== ! Copyright (c) 2025 GVEC Contributors, Max Planck Institute for Plasma Physics ! License: MIT !=================================================================================================================================== #include "defines.h" !=================================================================================================================================== !> !!# Module ** MHD3D Variables ** !! !! !! !=================================================================================================================================== MODULE MODgvec_MHD3D_Vars ! MODULES USE MODgvec_Globals,ONLY: PI,wp,Unit_stdOut,abort USE MODgvec_sgrid, ONLY: t_sgrid USE MODgvec_base, ONLY: t_base USE MODgvec_Sol_Var_MHD3D,ONLY: t_sol_var_MHD3D USE MODgvec_hmap USE MODgvec_rProfile_base, ONLY: c_rProfile IMPLICIT NONE PUBLIC !----------------------------------------------------------------------------------------------------------------------------------- ! derived type variables !----------------------------------------------------------------------------------------------------------------------------------- CLASS(t_base), ALLOCATABLE,TARGET :: X1_base !! container for base of variable X1 CLASS(t_base), ALLOCATABLE,TARGET :: X2_base !! container for base of variable X2 CLASS(t_base), ALLOCATABLE,TARGET :: LA_base !! container for base of variable lambda TYPE(t_sgrid) :: sgrid !! only one grid up to now TYPE(t_sol_var_MHD3D),ALLOCATABLE :: U(:) !! solutions at levels (k-1),(k),(k+1) TYPE(t_sol_var_MHD3D),ALLOCATABLE :: V(:) !! 'velocity' in minimizer TYPE(t_sol_var_MHD3D),ALLOCATABLE :: F(:) !! force TYPE(t_sol_var_MHD3D),ALLOCATABLE :: P(:) !! temporary for update INTEGER :: nDOF_X1 !! total number of degrees of freedom, sBase%nBase * fbase%mn_modes INTEGER :: nDOF_X2 !! total number of degrees of freedom, sBase%nBase * fbase%mn_modes INTEGER :: nDOF_LA !! total number of degrees of freedom, sBase%nBase * fbase%mn_modes INTEGER,ALLOCATABLE :: X1_BC_type(:,:) !! X1 var: BC type for axis and edge for each mode (1:2,1:modes) (1=axis,2=edge) INTEGER,ALLOCATABLE :: X2_BC_type(:,:) !! X2 var: BC type for axis and edge for each mode (1:2,1:modes) (1=axis,2=edge) INTEGER,ALLOCATABLE :: LA_BC_type(:,:) !! LA var: BC type for axis and edge for each mode (1:2,1:modes) (1=axis,2=edge) #ifdef PP_WHICH_HMAP TYPE(PP_T_HMAP), ALLOCATABLE :: hmap !! type containing subroutines for evaluating the map h (Omega_p x S^1) --> Omega TYPE(PP_T_HMAP_AUXVAR),ALLOCATABLE :: hmap_auxvar(:) !! auxiliary variables for hmap #else CLASS(PP_T_HMAP), ALLOCATABLE :: hmap !! type containing subroutines for evaluating the map h (Omega_p x S^1) --> Omega CLASS(PP_T_HMAP_AUXVAR),ALLOCATABLE :: hmap_auxvar(:) !! auxiliary variables for hmap #endif !=================================================================================================================================== INTEGER :: which_init !! select initialization. 0: only using input parameter, 1: using a VMEC equilibrium INTEGER :: which_hmap LOGICAL :: init_fromBCOnly !! default=TRUE, for VMEC only, if set false: initial mapping is interpolated for s=0..1 LOGICAL :: init_with_profile_pressure !! default=FALSE, if True, overwrite profile from VMEC ini using profile from parameterfile LOGICAL :: init_with_profile_iota !! default=FALSE, if True, overwrite profile from VMEC ini using profile from parameterfile LOGICAL :: init_average_axis !! default=FALSE, if true, use outer boundary to estimate axis position (center of closed line) LOGICAL :: boundary_perturb !! default=FALSE, if true, mapping is perturbed with a given modal perturbation of the boundary (X1pert_b,X2pert_b) REAL(wp) :: average_axis_move(2) !! used if init_average_axis=True to additionally move axis in X1,X2 INTEGER :: init_BC !! active if init_fromBC_only=T: -1: keep vmec axis and boundary (default), 0: keep vmec boundary, overwrite axis, 1: keep vmec axis, overwrite boundary, 2: overwrite axis and boundary INTEGER :: getBoundaryFromFile !! -1: off, 1: read from specific netcdf file LOGICAL :: init_LA !! false: lambda=0 at initialization, true: lambda is computed from initial mapping INTEGER :: PrecondType !! -1: off: 1: .. ! input parameters for minimization INTEGER :: MinimizerType !! which mimimizer to use: 0: gradient descent (default) , 10: accelerated gradient descent INTEGER :: maxIter !! maximum iteration count for minimization INTEGER :: outputIter !! number of iterations after which output files are written INTEGER :: logIter !! number of iterations after which a screen log is written INTEGER :: nlogScreen !! number of log outputs after a screen output is written REAL(wp) :: minimize_tol !! absolute tolerance for minimization of functional REAL(wp) :: start_dt !! starting time step, is adapted during iteration REAL(wp) :: dW_allowed !! for minimizer, accept step if dW