Laplacian containing an implicit and an explicit variable
I realize that my programming skills are almost zero but I had to venture in the C++ secrets of the FOAM and I am getting new challenges on a daily basis. So let's say I am getting used. Sometimes I simply cannot overcome the problems.
Here is the last (apparently) insurmountable one.
I have this couple of equations used for a jump condition on the L/G inteface:
The HUGE problem I have here is that, even if the solver compiles good, the resulting file won't run the code, exiting with a peculiar error:
Now, I tried to "dismantle" the laplacian operator forcing the solver to use the divergence of the gradient being naive enough to see that the fvc::grad does exist and could be directly used (alpha1 is explicit). The solver won't compile (complaining that fvc::grad does not exist!!!).
Looking inside the laplacian definition file (in the finitevolume lib) it shows that I can actually solve for an (SS, Scalar, Scalar), hence no error in the compilation process.
I am stuck. Can somebody help me to either decompose the laplacian or instructing the solver to solve the "mixed" implicit/explicit one?
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