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Search took 0.00 seconds. Search: Posts Made By: qi.yang@polimi.it
Forum: OpenFOAM Running, Solving & CFD July 7, 2020, 08:52
Replies: 12
Views: 928
Posted By qi.yang@polimi.it
Thanks a lot. I already considered what you...

Thanks a lot. I already considered what you mentioned below however, the time step is the samll one. Now I regard that issue as normal one. Really thank u. Gentilissimo!
Forum: OpenFOAM Running, Solving & CFD July 7, 2020, 08:42
Replies: 12
Views: 928
Posted By qi.yang@polimi.it
Hi guys, I met a new problem that the converency...

Hi guys, I met a new problem that the converency issue between the unstrcture mesh created by workbench and structure mesh generated by blockMesh. Why the iteration of P_rg is 1000, which means...
Forum: OpenFOAM Running, Solving & CFD July 7, 2020, 08:27
Replies: 12
Views: 928
Posted By qi.yang@polimi.it
Thanks. I did not try parallel but in the end I...

Thanks. I did not try parallel but in the end I will do it. I am curious that there is the way to increase the time step.
Forum: OpenFOAM Running, Solving & CFD July 6, 2020, 10:30
Replies: 12
Views: 928
Posted By qi.yang@polimi.it
Nobody is curious about this issue?

Nobody is curious about this issue?
Forum: OpenFOAM Running, Solving & CFD July 3, 2020, 03:38
Replies: 12
Views: 928
Posted By qi.yang@polimi.it
I saw your previous post and I checked your test...

I saw your previous post and I checked your test case uploaded there. The timestep in your case is 2e-4 s. So you need several days or more to finish one simulation?
Forum: OpenFOAM Running, Solving & CFD July 3, 2020, 03:29
Replies: 12
Views: 928
Posted By qi.yang@polimi.it
I uploaded the files here without mesh, due to...

I uploaded the files here without mesh, due to the large size.
Forum: OpenFOAM Running, Solving & CFD July 3, 2020, 03:24
Replies: 12
Views: 928
Posted By qi.yang@polimi.it
Thank you. I uploaded my test files and mesh...

Thank you. I uploaded my test files and mesh here. Could you please help me to have a look? By the way, the parameters in slurry pipe I used are the following:

pipe diameter 0.1 m (only half)...
Forum: OpenFOAM Running, Solving & CFD July 3, 2020, 03:15
Replies: 12
Views: 928
Posted By qi.yang@polimi.it
Thanks a lot. As you said, I already neglected...

Thanks a lot. As you said, I already neglected energy euqation. Even though I set maxCo 0.1, the maximum time step is 2e-5 or 2e-6. The totall cells are 260000. How about your time step used in the...
Forum: OpenFOAM Running, Solving & CFD July 2, 2020, 12:02
Replies: 12
Views: 928
Posted By qi.yang@polimi.it
Question time step of twophaseeulerfoam

Hi guys,


I am using twophaseeulerfoam to simulate the solid-liquid pipe flow. The total number of the cells are 180000 (unstructure mesh) but I need to set a very very small time step to keep...
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