Laplacian term missing in simpleFoam - UEqn.H
Dear Foamers,
I am trying to understand the code for simpleFoam and I came across the wiki for the same HTML Code:
http://openfoamwiki.net/index.php/The_SIMPLE_algorithm_in_OpenFOAM the second equation says that the tmp<fvVectorMatrix> UEqn ( fvm::div(phi, U) - laplacian(nu,U) ); But in the actual file UEqn.H in the /solvers folder , the code is as below tmp<fvVectorMatrix> UEqn ( fvm::div(phi, U) + turbulence->divDevReff(U) ); Is the laplacian term replaced with a turbulence term?? Can someone help to figure this out? Your help is highly appreciated. Thanks |
Hi, simpleFoam manages both laminar and turbulent cases via turbulence->divDevReff(U). This term reduces to the laplacian one in laminar cases.
Regards. |
Thanks a lot for your reply:)
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