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[GAMBIT] Meshing problem in GAMBIT

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Old   November 9, 2012, 08:07
Default Meshing problem in GAMBIT
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I am planning to simulate the heat transfer from water passing through pipes inserted in ceiling of a building. But, while meshing the faces on GAMBIT, some faces are not getting meshed. Can anybody help me with some advice about how to mesh the model attached below? The unmeshed faces are in red.

Please... Help awaited.
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File Type: jpg Untitled 2.jpg (75.4 KB, 17 views)
File Type: jpg Untitled 3.jpg (73.2 KB, 15 views)

Last edited by nkme2007; November 9, 2012 at 11:13.
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Old   November 9, 2012, 08:21
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is it closed volume?
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Old   November 9, 2012, 08:40
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Quote:
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is it closed volume?
No, it is not a closed volume.. walls and ceiling on their top with water pipes.
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Old   November 9, 2012, 08:54
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Hi,

I think your mesh is way too coarse... You should also try to split your volume into smaller, simpler volumes.
Marion.
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Old   November 9, 2012, 11:08
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Quote:
Originally Posted by Marion View Post
Hi,

I think your mesh is way too coarse... You should also try to split your volume into smaller, simpler volumes.
Marion.
Marion,

Sorry to ask you again. Can you elaborate since I am new to CFD and this is my first model I am working on?

Last edited by nkme2007; November 9, 2012 at 12:06.
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Old   November 10, 2012, 00:07
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can you show us the control volume for this case?

You can edit above pics and roughly draw the control volume in red color around this room.
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Old   November 10, 2012, 00:31
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Quote:
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can you show us the control volume for this case?

You can edit above pics and roughly draw the control volume in red color around this room.
Sir,

The Contol Volume is shown in the image attached below. Inside volume of the room 3m X 3m X 3m is in white with 2 windows and 1 door in pink.

-Nithin
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Old   November 10, 2012, 00:50
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so the white shows the overall domain. With 3*3*3 volume and 1 door and 2 windows. Will you specify the boundary conditions for each wall, ceiling, each window and door seperatly?
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Old   November 10, 2012, 00:57
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so the white shows the overall domain. With 3*3*3 volume and 1 door and 2 windows. Will you specify the boundary conditions for each wall, ceiling, each window and door seperatly?
All the Walls will have same boundary conditions..
All the windows and doors have same..
Ceiling will have conditions different from walls and windows...
And Pipes visible on the ceiling are of fibre, that will be first effected due to water temperature, then ceiling and then the walls....
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