[Utkan]

Hello Foamers,

I am still new to programming in OpenFOAM, so I wanted to ask a question that may be trivial for others.

I am trying to implement a time-varying externalWallHeatFlux boundary condition to an already existing case of "hotRoom". In my case, I want to have the outer walls receive varying external heat loads with time while calculating the radiative heat transfer of different materials within the room.

I already have a .txt file (which is convertible into a .csv file) that has the external heat flux data on different columns and with each row, the time-step is incremented by one. I've learned that with patchFunction1 utility under meshTools library, it is possible to have time and space varying heat fluxes as a boundary condition and PatchFunction1 is no different than a regular Function1.

The problem is, that I cannot utilize this utility in the controlDict file. When I follow the steps on these two websites
https://www.openfoam.com/documentati...n-objects.html and https://cpp.openfoam.org/v3/a00004.html I get a fatal error saying that PatchFunction1 is an unknown function type and gives me 9 types of valid function objects.

What am I doing wrong here? Do you know how can I introduce the PatchFunction1 utility as a function object to the solver?

Thanks for reading, any help would be greatly appreciated.