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Forum: OpenFOAM Pre-Processing

July 17, 2013, 07:25

Replies: 20

ribbed channel / simpleFoam / boundary conditions

Views: 7,584

Posted By Lieven

Hi Steven, You should be able to set the...

Hi Steven,

You should be able to set the gradP using the fvOptions-functionallity in OF 2.2. I'm still working with OF 2.1.x so I can't really help you with the details about this.
...

Forum: OpenFOAM Pre-Processing

December 12, 2012, 07:02

Replies: 20

ribbed channel / simpleFoam / boundary conditions

Views: 7,584

Posted By Lieven

Hi Demur, If I understand your problem...

Hi Demur,

If I understand your problem correctly (correct me if I'm wrong), your problem is not periodic i.e. it has a finite number of ribs. In this case you can better use the pisoFoam solver....

Forum: OpenFOAM Pre-Processing

December 9, 2012, 03:49

Replies: 20

ribbed channel / simpleFoam / boundary conditions

Views: 7,584

Posted By Lieven

Dear Demur, Where are the 14 ribs located...

Dear Demur,

Where are the 14 ribs located exactly? Since you have a finite number of ribs, periodic boundaries (mapped or cyclic) might not be appropriate. If not, I would simply recommend you to...

Forum: OpenFOAM Pre-Processing

November 25, 2012, 12:47

Replies: 20

ribbed channel / simpleFoam / boundary conditions

Views: 7,584

Posted By Lieven

It's pretty straightforward to change channelFoam...

It's pretty straightforward to change channelFoam for this. Have a look at the source code. Change the gradP-variable to the value you would like (line 134) i.e. link it to a new input variable...

Forum: OpenFOAM Pre-Processing

November 22, 2012, 18:17

Replies: 20

ribbed channel / simpleFoam / boundary conditions

Views: 7,584

Posted By Lieven

Hey Beeo, Now that I think about it, you...

Hey Beeo,

Now that I think about it, you might get it working using simpleFoam if you use the directMapped (or mapped) boundary condition and set the 'setAverage' to 'true' in 0/U. In this case...

Forum: OpenFOAM Pre-Processing

November 22, 2012, 17:20

Replies: 20

ribbed channel / simpleFoam / boundary conditions

Views: 7,584

Posted By Lieven

Dear Beeo, I'd recommend you to have a look...

Dear Beeo,

I'd recommend you to have a look at channelFoam and its tutorial. Channelfoam is specifically developed to simulate the flow in a duct using cyclic inlet-outlet boundary conditions with...

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