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-   -   icoFoam vs simpleFoam (http://www.cfd-online.com/Forums/openfoam/90251-icofoam-vs-simplefoam.html)

lovecraft22 July 5, 2011 11:50

icoFoam vs simpleFoam
 
Hi all;
what's the difference between icoFoam and simpleFoam run with turbulence model?

Thank you!

nimasam July 5, 2011 15:52

icoFoam: Transient solver for incompressible, laminar flow of Newtonian fluids.
simpleFoam: Steady-state solver for incompressible, turbulent flow
pisoFoam: Transient solver for incompressible flow.
Turbulence modelling is generic, i.e. laminar, RAS or LES may be selected.

look in source, you can find description for each solver!;)
if you compare them, you will find little differences
for examples:
in simpleFoam
in momentum equation fvm::ddt(U) is omited because it solves for steady-state
or
in icoFoam friction term is like that fvm::laplacian(nu, U) which does not count turbulence effect

lovecraft22 July 6, 2011 00:59

Thank you!


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