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Forum: OpenFOAM Running, Solving & CFD

October 16, 2007, 02:28

Replies: 25

BuoyantFoam problem

Views: 3,315

Posted By miquelvinya

Thanks Prashant, The case i

Thanks Prashant,

The case is correctly running.

Regards,
Miquel

Forum: OpenFOAM Running, Solving & CFD

October 15, 2007, 09:15

Replies: 25

BuoyantFoam problem

Views: 3,315

Posted By miquelvinya

Hello, The values used for

Hello,

The values used for my first buoyantFoam simulation were:

INLET

- Type: inlet
- U_y = 0.1 m/s
- k = 0.1
- epsilon = 0.01

Forum: OpenFOAM Running, Solving & CFD

October 8, 2007, 03:15

Replies: 25

BuoyantFoam problem

Views: 3,315

Posted By miquelvinya

Hello! The geometry is more

Hello!

The geometry is more complex and there are surfaces up to T = 473 K. Is the buoyantFoam thermodynamic package prepared for these temperatures? Must I change the solver?

Thank you! ...

Forum: OpenFOAM Running, Solving & CFD

October 5, 2007, 10:51

Replies: 25

BuoyantFoam problem

Views: 3,315

Posted By miquelvinya

The next step was to create a

The next step was to create a more complex case based in the above described. When I try to run the case the solver shows me this message:

Create time

Create mesh for time = 0

...

Forum: OpenFOAM Running, Solving & CFD

October 5, 2007, 05:13

Replies: 25

BuoyantFoam problem

Views: 3,315

Posted By miquelvinya

I would specially thank to Pra

I would specially thank to Prashant for helping me.

I changed intitial conditions such as k, epsilon and pressure. With this there is no zerodivision problem. And then I reduced timestep to 0.05...

Forum: OpenFOAM Running, Solving & CFD

October 4, 2007, 07:24

Replies: 25

BuoyantFoam problem

Views: 3,315

Posted By miquelvinya

Thanks Prashant, I tryed yo

Thanks Prashant,

I tryed your option because I forgot k and epsilon values for the internal field, but the problem persists with the same message...

#0 ...

Forum: OpenFOAM Running, Solving & CFD

October 4, 2007, 04:34

Replies: 25

BuoyantFoam problem

Views: 3,315

Posted By miquelvinya

Hi all, I have made a geome

Hi all,

I have made a geometry that is basically a cube with an inlet of fresh air (298K) and an outlet of wasted hot air, walls at 303 K, ground at 298K and ceiling at 308K. I fix the inlet...

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