|   | FEATool Multiphysics
      v1.17.5
     Finite Element Analysis Toolbox | 
SWIRLFLOW Axisymmetric swirl flow physics mode.
SWIRLFLOW Define and generate a swirl flow physics mode struct. Used with the ADDPHYS function.
  1) Add default swirl flow physics mode.
  fea.sdim = {'r', 'z'};
  fea.geom.objects = {gobj_circle};
  fea = addphys( fea, @swirlflow );
  2) Add swirl flow physics mode with named dependent variables.
  fea.sdim = {'r', 'z'};
  fea.geom.objects = {gobj_rectangle};
  fea = addphys( fea, @swirlflow, {'u1', 'u2', 'u3', 'p'} );
[ PHYS ] = SWIRL( SDIM, DVAR, TAG ) Optional arguments when used without addphys are a cell array of space dimension variables SDIM (default {r, z}), dependent variable names DVAR (default {u, v, w, p}), mode tag TAG (default sw).