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-   -   Incompatible Field of operation (http://www.cfd-online.com/Forums/openfoam/110459-incompatible-field-operation.html)

tayo December 11, 2012 14:46

Incompatible Field of operation
 
I want to include pressure in my energy eqn in the form below. It compiles fine but whenever I run it the case, it gives an error
"incompatible fields of operation
[T] + [p_rgh]"

I guess it means I can only solve for one field per scalar matrix. How can I go around this to include pressure in the energy eqn? Thanks.

fvScalarMatrix TEqn
(
fvm::ddt(rhoCp,T)
+ fvm::div(rhoPhiCpf,T)
+ fvm::div(phi,p_rgh)
- fvm::laplacian(kappa,T)
);

mturcios777 December 11, 2012 15:41

Including it explicitly might work, but I don't think that is what you are after.

tayo December 11, 2012 16:04

Quote:

Originally Posted by mturcios777 (Post 397004)
Including it explicitly might work, but I don't think that is what you are after.

Thanks. it works when I solve it explicitly but according to your statement, what should I look out for?


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