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changing zone of some cells in fluent

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Old   October 15, 2014, 06:36
Default changing zone of some cells in fluent
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hamid
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Hello Sir/Madam
I have a cube geometry with different cell zones within it. I imported the mesh into fluent, and now I want to have a central sphere with that defined zones. But all the cells outside of the sphere be a new zone. can anybody please take me some help? How can I do it in Fluent? Or maybe with UDF?
Thank you
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Old   October 16, 2014, 02:27
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Originally Posted by mech_sim View Post
Hello Sir/Madam
I have a cube geometry with different cell zones within it. I imported the mesh into fluent, and now I want to have a central sphere with that defined zones. But all the cells outside of the sphere be a new zone. can anybody please take me some help? How can I do it in Fluent? Or maybe with UDF?
Thank you
Hi

What do you want to simulate?
Do you need a cube with a separate sphere domain inside it?
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Old   October 16, 2014, 02:46
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Thank you Amin. Yes. Actually I need to outside of the sphere be a part of one of the zones inside the sphere.
Best regards
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Old   October 16, 2014, 03:26
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Thank you Amin. Yes. Actually I need to outside of the sphere be a part of one of the zones inside the sphere.
Best regards
I'm not sure that understand what you mean exactly,
but do you separate them in your meshing software!?
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Old   October 16, 2014, 10:55
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No, actually that's the problem. I have to do that in my mesh file because I don't have the editable geometry file. I have only the .msh file of all the domain of cube. But I want to define a central sphere in that cube. And the outside of the cube be a part of one zones in the sphere. Can you please help me out here?
Best regards
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Old   October 16, 2014, 17:10
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Quote:
Originally Posted by znri View Post
No, actually that's the problem. I have to do that in my mesh file because I don't have the editable geometry file. I have only the .msh file of all the domain of cube. But I want to define a central sphere in that cube. And the outside of the cube be a part of one zones in the sphere. Can you please help me out here?
Best regards
Your problem must solve in meshing software! What software do you use? Gambit or ANSYS meahing or ICEM or...?
And finally can you attach some pictures from your model?
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