Description

CUSTOMEQN Custom equation physics mode definition.

CUSTOMEQN Define and generate a custom physics mode struct. Used with the ADDPHYS function.

Example

  1) Add default custom equation physics mode.

  fea.sdim = {'x', 'y'};
  fea.geom.objects = {gobj_circle};
  fea = addphys( fea, @customeqn );

  2) Add custom equation physics mode with 3 named dependent variables.

  fea.sdim = {'x', 'y', 'z'};
  fea.geom.objects = {gobj_block};
  fea = addphys( fea, @customeqn, {'u1', 'u2', 'u3'} );

[ PHYS ] = CUSTOMEQN( SDIM, DVAR, TAG, ISAXI ) Optional arguments when used without addphys are a cell array of space dimension variables SDIM (default {x, y}), dependent variable names DVAR (default {u}), mode tag TAG (default ce), and boolean ISAXI to specify 2D axisymmetric formulation (default false).

See also: addphys