setfgap

RealConstants.setfgap(gap='', ropt='', pamb='', acf1='', acf2='', pref='', mfp='', **kwargs)

Updates or defines the real constant table for squeeze film elements.

Mechanical APDL Command: SETFGAP

Parameters:

gapstr

Gap separation.

roptint or str

Real constant set option.

• 0 - Creates separate real constant sets for each selected element with the specified real constant values (default).

• 1 - Updates existing real constant sets. The gap separation is updated from displacement results in the database. Other real constants are updated as specified in the command input parameters.

pambstr

Ambient pressure.

acf1str

Accommodation factor 1 and 2.

acf2str

Accommodation factor 1 and 2.

prefstr

Reference pressure for mean free path.

mfpstr

Mean free path.

Notes

This command is used for large signal cases to update the gap separation real constant on a per- element basis. Issue this command prior to solution using the default ROPT value to initialize real constant sets for every fluid element. After a solution, you can re-issue the command to update the real constant set for a subsequent analysis. See for more information on thin film analyses.