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Showing results 1 to 14 of 14 Search took 0.00 seconds. Search: Posts Made By: lovecraft22

Forum: OpenFOAM April 18, 2012, 10:30

Replies: 77 pimpleDyMfoam simulation keeps blowing up Views: 15,900 Posted By lovecraft22 I'm a little bit lost now… To summarize, one... I'm a little bit lost now… To summarize, one needs to: 1. create to separated meshes, one for the rotor and one for the stator; 2. run mergeMeshes to merge the two. The output of which needs to...

Forum: OpenFOAM April 18, 2012, 07:58

Replies: 77 pimpleDyMfoam simulation keeps blowing up Views: 15,900 Posted By lovecraft22 Nope, is not enough… there's also a sets folder... Nope, is not enough… there's also a sets folder within polyMesh you won't get this way… don't know where it comes from…

Forum: OpenFOAM April 18, 2012, 06:50

Replies: 77 pimpleDyMfoam simulation keeps blowing up Views: 15,900 Posted By lovecraft22 I'm a little bit stuck there… I meshed both the... I'm a little bit stuck there… I meshed both the stator and the rotor then I moved back in the case folder and tried to run this: mergeMeshes Mesh/stator/ Mesh/rotor/ All I got was a 1e-05...

Forum: OpenFOAM April 18, 2012, 06:34

Replies: 77 pimpleDyMfoam simulation keeps blowing up Views: 15,900 Posted By lovecraft22 Have you already downloaded the case about my... Have you already downloaded the case about my cube linemann posted above?

Forum: OpenFOAM April 17, 2012, 18:07

Replies: 77 pimpleDyMfoam simulation keeps blowing up Views: 15,900 Posted By lovecraft22 I did some digging around and also looking at the... I did some digging around and also looking at the case you uploaded I think I understood this: 1. You need to create an interface between the rotating and the stationary meshes. In my case it was...

Forum: OpenFOAM April 17, 2012, 17:10

Replies: 77 pimpleDyMfoam simulation keeps blowing up Views: 15,900 Posted By lovecraft22 Thank you a lot linnemann, that's really great!... Thank you a lot linnemann, that's really great! I'll have a look at the setup tomorrow. Could you also explain me what commands you ran? Thanks again!

Forum: OpenFOAM April 17, 2012, 04:46

Replies: 77 pimpleDyMfoam simulation keeps blowing up Views: 15,900 Posted By lovecraft22 Thank you linnemann. Here's my case. ... Thank you linnemann. Here's my case. Regards

Forum: OpenFOAM April 16, 2012, 18:08

Replies: 77 pimpleDyMfoam simulation keeps blowing up Views: 15,900 Posted By lovecraft22 Actually, my geometry is quite a simple one: just... Actually, my geometry is quite a simple one: just a 2D cube… How comes it cannot be solved? I mean, what can you solve with the original pimpleDyMFoam then?

Forum: OpenFOAM April 16, 2012, 09:50

Replies: 77 pimpleDyMfoam simulation keeps blowing up Views: 15,900 Posted By lovecraft22 By the way, what's the difference between this... By the way, what's the difference between this and the one that comes with openFoam?

Forum: OpenFOAM April 16, 2012, 09:26

Replies: 77 pimpleDyMfoam simulation keeps blowing up Views: 15,900 Posted By lovecraft22 Thank you! I'll see what I can do! Thank you! I'll see what I can do!

Forum: OpenFOAM April 16, 2012, 09:21

Replies: 77 pimpleDyMfoam simulation keeps blowing up Views: 15,900 Posted By lovecraft22 Thank you. Do I need to compile it? Thank you. Do I need to compile it?

Forum: OpenFOAM April 16, 2012, 08:42

Replies: 77 pimpleDyMfoam simulation keeps blowing up Views: 15,900 Posted By lovecraft22 Thank you linnemann, unfortunately had no luck... Thank you linnemann, unfortunately had no luck with your tips… First of all I increased the time step from 1e-5 to 1e-4 and my simulation blew up at time 0.0266. So I changed this line I had in my...

Forum: OpenFOAM April 16, 2012, 05:32

Replies: 77 pimpleDyMfoam simulation keeps blowing up Views: 15,900 Posted By lovecraft22 Thank you Linnemann. Relax the components by... Thank you Linnemann. Relax the components by 0.5 means that I need this in my fvSolutions: relaxationFactors { "(U|k|epsilon).*" 1; } correct? About the rest, what do you mean with...

Forum: OpenFOAM April 16, 2012, 05:08

Replies: 77 pimpleDyMfoam simulation keeps blowing up Views: 15,900 Posted By lovecraft22 pimpleDyMfoam simulation keeps blowing up Hi all; I'm running a pimpleDyMFoam simulation and it keeps blowing up. Even reducing the time step down to 1e-5 does not solve the problem. Courant Number mean: 5.46684e+95 max: 8.98336e+97...

Showing results 1 to 14 of 14

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