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-   -   maxco and icoFoam (https://www.cfd-online.com/Forums/openfoam-solving/114201-maxco-icofoam.html)

m5m5kh March 6, 2013 18:44
maxco and icoFoam
 
Hi.
I have problems with my courant number in icoFoam.:(
this number surged dramatically during the run.how can I limit the number in icoFoam.I will be glad if somebody help me to add maxco to my solver.

tnx :D

michielm March 7, 2013 02:40
Just add the following in your controlDict:

Code:
adjustTimeStep  yes;

maxCo          0.1;

m5m5kh March 8, 2013 06:39
Quote:
Originally Posted by michielm (Post 412188)
Just add the following in your controlDict:

Code:
adjustTimeStep  yes;

maxCo          0.1;
thanks michielm,I did as you said but it did not worked and courant number still increases fastly :(

michielm March 9, 2013 10:17
Then I think you have your case set up in the wrong way. What boundary conditions for velocity and pressure are you using?


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