Additional utilities
4.0.11.1 Computation of average field values at patches
In the current case, there is an imposed inlet velocity and an imposed outlet pressure.
However, one variable that would be interesting to compute is the inlet pressure
that exists in the pipe according to such boundary conditions. Knowing this factor
may help the user in the computation of some useful values such as the pressure
drop. There is a tool in OpenF OAM
R
to compute average values of a concrete
field in any patch of the domain (previously defined in blockMeshDict). It is the
patchAverage utility, which must be followed by the name of the field and the patch
where it is calculated. For instance, to compute the average pressure at the inlet