.. _emagCalcPara:

==============================
Calculation Control Parameters
==============================

.. admonition:: pre_models(*"FE-contr-data"*)

 Definition of the basic parameters of the FE calculation and machine simulation.

 **Example** and parameter description

 .. sourcecode:: lua

  m.hc_min          =   95.0    -- Limit demagnetisa > 0:[%]Hc; <0 [kA/m]
  m.con_hdcopy      =    0      -- Hc-copy:Name:auto:0,intact:1, none:-1
  m.b_max           =    2.4    -- Max Induction [T] in colorgradation
  m.b_min           =    0      -- Move inside: 0 , Move outside: > 0
  m.calc_fe_loss    =    1      -- Calcul. FE-Loss > 0, areas <0, no (use FE-Losses Param = 2)
  m.eval_force      =    0      -- Eval. force density > 0, no <= 0
  m.allow_draw      =    1      -- Draw Graphics :> 0: yes, 0:  no
  m.fline_dens      =    1      -- F-Lines: 1: small, 2: medium, 3:thick
  m.num_flines      =   10      -- Number of Field-lines:      < 100 > 2
  m.name_bch_log    =    0      -- Name bch-file in Logfile:> 0:yes,0:no
  m.st_size_move    =    0.0    -- Step size move: r/ph:[degr], x/y:[mm]
  m.num_nonl_it     =  300      -- Max. nonlinear Iterations
  m.perm_mode       =    0      -- Permeability mode:>0:restore,0:actual
  m.error_perm      =    0.01   -- Rel. Permeability error [%]
  m.allow_demagn    =    0      -- Allow Demagnetisation:= 1:yes,= 0:no
  m.maenergy        =    0      -- Force from magn energy 1 :yes,= 0:no
  m.el_order_ag     =    1      -- El. order in air gap: lin=1: quadr=2
  m.export_scrpt    =    0      -- Export parameters in script: yes > 0
  m.intern_bndc     =    0      -- Intern. Boundary Conditions: yes > 0

  pre_models("FE-contr-data")