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Old   August 13, 2009, 07:56
Default problem with reading case file
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Shengyi Wang
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Hi All,

I encountered a very weird problem when I am trying to read a case and data file.

It says:

Error: prf-set-var: invalid flonum
Error Object: nan

It is just a very simple steady case without UDF. I do not know what happens. Can anyone give some help?

Thanks a lot.
Best wishes,
Shengyi
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Old   August 13, 2009, 18:25
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Sean Delfel
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Hi Shengyi,

I don't know what that error refers to, but maybe can help you narrow down the problem. Does the error occur when reading the case file or the data file?

If it's the case file, have you tried re-importing the mesh to Fluent to see if there's any issues or warnings then?

If it's the data file, was the data created using the same case file? Also, can you re-initialize data on the mesh without receiving the same error?

Cheers,
-sean
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Old   August 14, 2009, 02:39
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Shengyi Wang
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Quote:
Originally Posted by delfel View Post
Hi Shengyi,

I don't know what that error refers to, but maybe can help you narrow down the problem. Does the error occur when reading the case file or the data file?

If it's the case file, have you tried re-importing the mesh to Fluent to see if there's any issues or warnings then?

If it's the data file, was the data created using the same case file? Also, can you re-initialize data on the mesh without receiving the same error?

Cheers,
-sean
Hi Sean,

Thanks a lot for reply. The error happens when reading the case file.
The problem is that I employ periodic boundary conditons. So every time I re-importing the mesh, I need to modify the zones and create the periodic bc. Thus, the new case may not match the data file. So I cannot read the data file if I import the mesh.

Anyway, thanks a lot.

Good luck,
Shengyi
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Old   February 2, 2013, 01:25
Default %prf-set-var: invalid flonum
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sundaravadivel
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Dears
i am using fluent 6.3 for my work (wind turbine analysis with single reference frame). if i want to open a case and data file which was done with the same version.. i am getting the below mentioned error.

Error: %prf-set-var: invalid flonum
Error Object: ()
please help me to overcome this.
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