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-   -   IcoFoam diverges with smaller step why (http://www.cfd-online.com/Forums/openfoam-solving/60039-icofoam-diverges-smaller-step-why.html)

rafal August 30, 2006 10:24

Dear all, Below I show two pr
 
Dear all,
Below I show two pressure profiles of a case
I was running with standard icoFoam solver.
One is correct and the other not so much.
http://www.cfd-online.com/OpenFOAM_D...ges/1/2978.png http://www.cfd-online.com/OpenFOAM_D...ges/1/2979.png
The only difference is that datas for Fig1
were calculated with bigger time step(0.01s)
than the for Fig2.(0.00001s). How to explain
this? What is wrong? Boundary conditions?
(using slip BC cannot produce this error.
can it?)
Thanks in advance.
here is case to try http://www.cfd-online.com/OpenFOAM_D...hment_icon.gif caseIcoFoam.tar.gz .


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