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Showing results 1 to 5 of 5 Search took 0.00 seconds. Search: Posts Made By: maolongliu

Forum: OpenFOAM August 13, 2010, 10:17

Replies: 7 SimpleFoam convergen problem Views: 2,263 Posted By maolongliu I think I find the reason why my calculation seen... I think I find the reason why my calculation seen hard to cenverge. Now I am doing a 3D simulation, and through the calculation results I found tat ux and uy is very small, about 1e-5. I heard some...

Forum: OpenFOAM August 12, 2010, 02:32

Replies: 7 SimpleFoam convergen problem Views: 2,263 Posted By maolongliu Thanks, Hrushikesh Now I am trying to start... Thanks, Hrushikesh Now I am trying to start with a higher viscosity, and then gradually decrease it to the real value. This seems work, the calculation is still going on. If this fail, I will try...

Forum: OpenFOAM August 11, 2010, 01:47

Replies: 7 SimpleFoam convergen problem Views: 2,263 Posted By maolongliu I tried to decrease reTol parameter of p to 1e-3.... I tried to decrease reTol parameter of p to 1e-3. the others to 0, but still, the residual of ux, uy and p decrease at first to about 1e-4, and then start to increase.

Forum: OpenFOAM August 10, 2010, 10:56

Replies: 7 SimpleFoam convergen problem Views: 2,263 Posted By maolongliu Thanks, I'll try that later. Thanks, I'll try that later.

Forum: OpenFOAM August 10, 2010, 09:38

Replies: 7 SimpleFoam convergen problem Views: 2,263 Posted By maolongliu SimpleFoam convergen problem Hi, Now I am using simpleFoam to calculate a pipe flow. Now I face a converge problem.I am using low-Re k-epsilon model. After about 10 000 times irritation, k ,epsilon nearly converged, but ux and...

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