MPI-AMRVAC  3.0
The MPI - Adaptive Mesh Refinement - Versatile Advection Code
Modules | Functions/Subroutines | Variables
mod_mf_phys.t File Reference

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Modules

module  mod_mf_phys
 Magnetofriction module.
 

Functions/Subroutines

subroutine mod_mf_phys::mf_write_info (fh)
 Write this module's parameters to a snapsoht. More...
 
subroutine mod_mf_phys::mf_angmomfix (fC, x, wnew, ixIL, ixOL, idim)
 
subroutine, public mod_mf_phys::mf_phys_init ()
 
subroutine mod_mf_phys::mf_check_params
 
subroutine mod_mf_phys::mf_physical_units ()
 
subroutine, public mod_mf_phys::mf_to_conserved (ixIL, ixOL, w, x)
 Transform primitive variables into conservative ones. More...
 
subroutine, public mod_mf_phys::mf_to_primitive (ixIL, ixOL, w, x)
 Transform conservative variables into primitive ones. More...
 
subroutine, public mod_mf_phys::mf_get_v (w, x, ixIL, ixOL, v)
 Calculate v vector. More...
 
subroutine, public mod_mf_phys::mf_get_v_idim (w, x, ixIL, ixOL, idim, v)
 Calculate v component. More...
 
subroutine mod_mf_phys::mf_get_cmax (w, x, ixIL, ixOL, idim, cmax)
 Calculate cmax_idim=csound+abs(v_idim) within ixO^L. More...
 
subroutine mod_mf_phys::mf_get_cbounds (wLC, wRC, wLp, wRp, x, ixIL, ixOL, idim, Hspeed, cmax, cmin)
 Estimating bounds for the minimum and maximum signal velocities. More...
 
subroutine mod_mf_phys::mf_get_ct_velocity (vcts, wLp, wRp, ixIL, ixOL, idim, cmax, cmin)
 prepare velocities for ct methods More...
 
subroutine mod_mf_phys::mf_get_p_total (w, x, ixIL, ixOL, p)
 Calculate total pressure within ixO^L including magnetic pressure. More...
 
subroutine mod_mf_phys::mf_get_flux (wC, w, x, ixIL, ixOL, idim, f)
 Calculate fluxes within ixO^L. More...
 
subroutine mod_mf_phys::mf_velocity_update (qt, psa)
 Add global source terms to update frictional velocity on complete domain. More...
 
subroutine mod_mf_phys::mf_add_source (qdt, ixIL, ixOL, wCT, w, x, qsourcesplit, active, wCTprim)
 w[iws]=w[iws]+qdt*S[iws,wCT] where S is the source based on wCT within ixO More...
 
subroutine mod_mf_phys::frictional_velocity (w, x, ixIL, ixOL)
 
subroutine mod_mf_phys::add_source_res1 (qdt, ixIL, ixOL, wCT, w, x)
 Add resistive source to w within ixO Uses 3 point stencil (1 neighbour) in each direction, non-conservative. If the fourthorder precompiler flag is set, uses fourth order central difference for the laplacian. Then the stencil is 5 (2 neighbours). More...
 
subroutine mod_mf_phys::add_source_res2 (qdt, ixIL, ixOL, wCT, w, x)
 Add resistive source to w within ixO Uses 5 point stencil (2 neighbours) in each direction, conservative. More...
 
subroutine mod_mf_phys::add_source_hyperres (qdt, ixIL, ixOL, wCT, w, x)
 Add Hyper-resistive source to w within ixO Uses 9 point stencil (4 neighbours) in each direction. More...
 
subroutine mod_mf_phys::add_source_glm (qdt, ixIL, ixOL, wCT, w, x)
 
subroutine mod_mf_phys::add_source_powel (qdt, ixIL, ixOL, wCT, w, x)
 Add divB related sources to w within ixO corresponding to Powel. More...
 
subroutine mod_mf_phys::add_source_janhunen (qdt, ixIL, ixOL, wCT, w, x)
 
subroutine mod_mf_phys::add_source_linde (qdt, ixIL, ixOL, wCT, w, x)
 
subroutine, public mod_mf_phys::get_divb (w, ixIL, ixOL, divb, fourthorder)
 Calculate div B within ixO. More...
 
subroutine, public mod_mf_phys::get_normalized_divb (w, ixIL, ixOL, divb)
 get dimensionless div B = |divB| * volume / area / |B| More...
 
subroutine, public mod_mf_phys::get_current (w, ixIL, ixOL, idirmin, current, fourthorder)
 Calculate idirmin and the idirmin:3 components of the common current array make sure that dxlevel(^D) is set correctly. More...
 
subroutine mod_mf_phys::mf_get_dt (w, ixIL, ixOL, dtnew, dxD, x)
 If resistivity is not zero, check diffusion time limit for dt. More...
 
subroutine mod_mf_phys::mf_add_source_geom (qdt, ixIL, ixOL, wCT, w, x)
 
double precision function, dimension(ixo^s), public mod_mf_phys::mf_mag_en_all (w, ixIL, ixOL)
 Compute 2 times total magnetic energy. More...
 
double precision function, dimension(ixo^s) mod_mf_phys::mf_mag_i_all (w, ixIL, ixOL, idir)
 Compute full magnetic field by direction. More...
 
double precision function, dimension(ixo^s) mod_mf_phys::mf_mag_en (w, ixIL, ixOL)
 Compute evolving magnetic energy. More...
 
subroutine mod_mf_phys::mf_modify_wlr (ixIL, ixOL, qt, wLC, wRC, wLp, wRp, s, idir)
 
subroutine mod_mf_phys::mf_boundary_adjust (igrid, psb)
 
subroutine mod_mf_phys::fixdivb_boundary (ixGL, ixOL, w, x, iB)
 
subroutine, public mod_mf_phys::mf_clean_divb_multigrid (qdt, qt, active)
 
subroutine mod_mf_phys::mf_update_faces (ixIL, ixOL, qt, qdt, wprim, fC, fE, sCT, s, vcts)
 
subroutine mod_mf_phys::update_faces_average (ixIL, ixOL, qt, qdt, fC, fE, sCT, s)
 get electric field though averaging neighors to update faces in CT More...
 
subroutine mod_mf_phys::update_faces_contact (ixIL, ixOL, qt, qdt, wp, fC, fE, sCT, s, vcts)
 update faces using UCT contact mode by Gardiner and Stone 2005 JCP 205, 509 More...
 
subroutine mod_mf_phys::update_faces_hll (ixIL, ixOL, qt, qdt, fE, sCT, s, vcts)
 update faces More...
 
subroutine mod_mf_phys::get_resistive_electric_field (ixIL, ixOL, sCT, s, jce)
 calculate eta J at cell edges More...
 
subroutine, public mod_mf_phys::mf_face_to_center (ixOL, s)
 calculate cell-center values from face-center values More...
 
subroutine, public mod_mf_phys::b_from_vector_potential (ixIsL, ixIL, ixOL, ws, x)
 calculate magnetic field from vector potential More...
 
subroutine, public mod_mf_phys::record_force_free_metrics ()
 
subroutine mod_mf_phys::mask_inner (ixIL, ixOL, w, x, patchwi, volume_pe)
 
double precision function mod_mf_phys::integral_grid_mf (ixIL, ixOL, w, x, iw, patchwi)
 

Variables

double precision, public mod_mf_phys::mf_nu = 1.d-15
 viscosity coefficient in s cm^-2 for solar corona (Cheung 2012 ApJ) More...
 
double precision, public mod_mf_phys::mf_vmax = 3.d6
 maximal limit of magnetofrictional velocity in cm s^-1 (Pomoell 2019 A&A) More...
 
double precision, dimension(2 *^nd), public mod_mf_phys::mf_decay_scale =0.d0
 decay scale of frictional velocity More...
 
logical, public, protected mod_mf_phys::mf_particles = .false.
 Whether particles module is added. More...
 
logical, public, protected mod_mf_phys::mf_glm = .false.
 Whether GLM-MHD is used. More...
 
logical, public, protected mod_mf_phys::source_split_divb = .false.
 Whether divB cleaning sources are added splitting from fluid solver. More...
 
double precision, public mod_mf_phys::mf_glm_alpha = 0.5d0
 GLM-MHD parameter: ratio of the diffusive and advective time scales for div b taking values within [0, 1]. More...
 
logical, public, protected mod_mf_phys::mf_4th_order = .false.
 MHD fourth order. More...
 
logical, public, protected mod_mf_phys::mf_record_electric_field = .false.
 set to true if need to record electric field on cell edges More...
 
integer, dimension(:), allocatable, public, protected mod_mf_phys::mom
 Indices of the momentum density. More...
 
integer, dimension(:), allocatable, public, protected mod_mf_phys::mag
 Indices of the magnetic field. More...
 
integer, public, protected mod_mf_phys::psi_
 Indices of the GLM psi. More...
 
double precision, public mod_mf_phys::mf_eta = 0.0d0
 The resistivity. More...
 
double precision, public mod_mf_phys::mf_eta_hyper = 0.0d0
 The hyper-resistivity. More...
 
character(len=std_len), public, protected mod_mf_phys::typedivbfix = 'ct'
 Method type to clean divergence of B. More...
 
character(len=std_len), public, protected mod_mf_phys::type_ct = 'average'
 Method type of constrained transport. More...
 
logical, public, protected mod_mf_phys::mf_divb_4thorder = .false.
 Whether divB is computed with a fourth order approximation. More...
 
logical, public mod_mf_phys::divbwave = .true.
 Add divB wave in Roe solver. More...
 
double precision, public, protected mod_mf_phys::he_abundance =0.1d0
 Helium abundance over Hydrogen. More...
 
logical, dimension(2 *^nd), public, protected mod_mf_phys::boundary_divbfix =.true.
 To control divB=0 fix for boundary. More...
 
integer, dimension(2 *^nd), public, protected mod_mf_phys::boundary_divbfix_skip =0
 To skip * layer of ghost cells during divB=0 fix for boundary. More...
 
logical, public, protected mod_mf_phys::clean_initial_divb =.false.
 clean divb in the initial condition More...