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Showing results 1 to 21 of 21 Search took 0.00 seconds. Search: Posts Made By: Yann

Forum: OpenFOAM Running, Solving & CFD August 9, 2023, 05:46

Replies: 49 FOAM Warning : Views: 1,067 Posted By Yann Sure, no worry, everyone has been a beginner. :) ... Sure, no worry, everyone has been a beginner. :) And when it comes to CFD and OpenFOAM, everyone keeps learning, for a very long time, not to say a lifetime! But this is exactly because you are...

Forum: OpenFOAM Running, Solving & CFD August 9, 2023, 03:52

Replies: 49 FOAM Warning : Views: 1,067 Posted By Yann Then you changed you mesh! :D You moved your... Then you changed you mesh! :D You moved your geometry and re-run snappy = you generated a new mesh, and you will need to map the results from the old mesh to the new mesh if you want to use the...

Forum: OpenFOAM Running, Solving & CFD August 8, 2023, 08:37

Replies: 49 FOAM Warning : Views: 1,067 Posted By Yann and you ran blockMesh and/or snappyHexMesh? and you ran blockMesh and/or snappyHexMesh?

Forum: OpenFOAM Running, Solving & CFD August 8, 2023, 08:27

Replies: 49 FOAM Warning : Views: 1,067 Posted By Yann What do you mean by this? What did you concretely... What do you mean by this? What did you concretely do to move the position of your geometry in your mesh?

Forum: OpenFOAM Running, Solving & CFD August 8, 2023, 07:46

Replies: 49 FOAM Warning : Views: 1,067 Posted By Yann So... you created a new mesh, right? So... you created a new mesh, right?

Forum: OpenFOAM Running, Solving & CFD August 8, 2023, 07:31

Replies: 49 FOAM Warning : Views: 1,067 Posted By Yann If you didn't change anything, it should restart... If you didn't change anything, it should restart flawlessly. But the error you get indicates there is something different somewhere between the moment you stopped the simulation and the moment you...

Forum: OpenFOAM Running, Solving & CFD August 8, 2023, 07:02

Replies: 49 FOAM Warning : Views: 1,067 Posted By Yann There is a mismatch between the size of your mesh... There is a mismatch between the size of your mesh and the size of your variables. Since it seems your simulation is starting at iteration 400, You are probably trying to restart a case after...

Forum: OpenFOAM Running, Solving & CFD August 1, 2023, 04:35

Replies: 49 FOAM Warning : Views: 1,067 Posted By Yann There are 2 readers for ParaView to open an... There are 2 readers for ParaView to open an OpenFOAM case: The native reader from ParaView: it uses a empty file using the .foam extension to trigger the OpenFOAM reader in ParaView. You can...

Forum: OpenFOAM Running, Solving & CFD July 31, 2023, 08:48

Replies: 49 FOAM Warning : Views: 1,067 Posted By Yann Open 2 terminals : one to run you case and... Open 2 terminals : one to run you case and another one to launch paraview ;)

Forum: OpenFOAM Running, Solving & CFD July 28, 2023, 05:55

Replies: 49 FOAM Warning : Views: 1,067 Posted By Yann About the results you posted: Your geometry... About the results you posted: Your geometry is not meshed. You are running your solver on an empty mesh (it's basically only the mesh created by blockMesh). You end up with a 10m/s flow in a...

Forum: OpenFOAM Running, Solving & CFD July 28, 2023, 05:36

Replies: 49 FOAM Warning : Views: 1,067 Posted By Yann the coordinate should be in the volume you want... the coordinate should be in the volume you want to simulate. If your geometry is a cube, and you want to simulate the flow around the cube, the coordinate should be outside the cube (but inside...

Forum: OpenFOAM Running, Solving & CFD July 28, 2023, 03:24

Replies: 49 FOAM Warning : Views: 1,067 Posted By Yann Yes, the locationInMesh parameter in snappy,... Yes, the locationInMesh parameter in snappy, which defines which part of the mesh is kept. However, your screenshot is different from the mesh I got from the test case you uploaded in previous...

Forum: OpenFOAM Running, Solving & CFD July 27, 2023, 08:11

Replies: 49 FOAM Warning : Views: 1,067 Posted By Yann I dont know if the case you have uploaded here is... I dont know if the case you have uploaded here is your latest setup, but the locationInMesh in your snappyHexMeshDict is wrong: you are meshing the inside of your geometry rather than the outside. ...

Forum: OpenFOAM Running, Solving & CFD July 27, 2023, 07:41

Replies: 49 FOAM Warning : Views: 1,067 Posted By Yann Hello, It's impossible to tell without... Hello, It's impossible to tell without knowing the details of your case. It can be pretty much anything: mesh, boundary conditions, numerical setup, or even physics itself... Yann

Forum: OpenFOAM Running, Solving & CFD July 26, 2023, 09:08

Replies: 49 FOAM Warning : Views: 1,067 Posted By Yann If checkMesh does not report any errors, you'll... If checkMesh does not report any errors, you'll have to investigate your case to know what's wrong. Have you check boundary conditions are properly defined for your new geometry? What wrong with...

Forum: OpenFOAM Running, Solving & CFD July 26, 2023, 08:31

Replies: 49 FOAM Warning : Views: 1,067 Posted By Yann Then probably it is related to the new geometry... Then probably it is related to the new geometry and/or mesh. ;) have you run checkMesh on your last mesh?

Forum: OpenFOAM Running, Solving & CFD July 25, 2023, 05:04

Replies: 49 FOAM Warning : Views: 1,067 Posted By Yann If you ran snappyHexMesh without the -overwrite... If you ran snappyHexMesh without the -overwrite option, you should see additional timeStep directories written in your case directory. When loading the case in ParaView, you need to display the...

Forum: OpenFOAM Running, Solving & CFD July 25, 2023, 03:17

Replies: 49 FOAM Warning : Views: 1,067 Posted By Yann Hello, I cannot help if I don't know what... Hello, I cannot help if I don't know what you are doing :D Are you running in serial or parallel? Did snappy complete without error? How do you load your case in paraView? What are you...

Forum: OpenFOAM Running, Solving & CFD July 24, 2023, 05:51

Replies: 49 FOAM Warning : Views: 1,067 Posted By Yann OK, I think this is related to your features... OK, I think this is related to your features refinement: Reading features... Read edgeMesh av1.obj points : 0 edges : 0 boundingBox : (0 0 0) (0 0 0) Refinement level according to distance...

Forum: OpenFOAM Running, Solving & CFD July 24, 2023, 05:24

Replies: 49 FOAM Warning : Views: 1,067 Posted By Yann Not with that few information. But you can post... Not with that few information. But you can post the full snappy log file (or at least the beginning of the log, up to the part where you get the warning) which would be more helpful to have an idea...

Forum: OpenFOAM Running, Solving & CFD July 24, 2023, 03:39

Replies: 49 FOAM Warning : Views: 1,067 Posted By Yann Hello, In the geometry section of your... Hello, In the geometry section of your snappyHexMeshDict, you geometry is named "av1.stl" but in the refinementSurfaces section you define refinement levels for "av1". You can either rename your...

Showing results 1 to 21 of 21

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