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Old   April 10, 2007, 03:03
Default Error: invalid argument [1]: improper list
  #1
Ralf Schmidt
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Hi!

I have a very large mesh (ab. 2.000.000 cells) with k-w, no energy eq. that runs not very stable. However, it runs

But, when I interupt iterating, save the file, take a look at the results and start again, Fluent gives following message:

Error: GENERAL-CAR-CDR: invalid argument [1]: improper list

Error Object: #f

When I read case and data again, the iteration works fine... until I turn on energy eq. or another turbulence model. Once, i run it laminar, and when i turn on any turb. model, the error message came...

So any help is highly appreciated!!!

Ralf

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Old   April 10, 2007, 17:08
Default Re: Error: invalid argument [1]: improper list
  #2
Phil
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If I am understanding you properly then I occasionally get this problem. I just re-read case and data then forget about it. Has never caused me any problems.
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Old   April 11, 2007, 13:29
Default Re: Error: invalid argument [1]: improper list
  #3
Ralf Schmidt
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Hi!

thanks for answer, but it didn't worked. Could it be because of the error message fluend gives, when it reades the grid:

Warning: Number of nodes read (1057672) does not match number referenced (1056748).

Resetting counter to match the number referenced.

Ther is somewere a volume, that has only one face meshed, and that is not exported - could that be the reason??

Ralf
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Old   April 11, 2007, 14:35
Default Re: Error: invalid argument [1]: improper list
  #4
bashu
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Have you defined any monitors?
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Old   April 12, 2007, 02:29
Default Re: Error: invalid argument [1]: improper list
  #5
Ralf Schmidt
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yes and now. I defined some, but even when I turn them off the error appears
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Old   April 12, 2007, 08:28
Default Re: Error: invalid argument [1]: improper list
  #6
bashu
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When I define the monitors and then change some paramters the monitor definitions sometimes get messed up. It looks like you don't have similar situation.
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Old   April 12, 2007, 12:33
Default Re: Error: invalid argument [1]: improper list
  #7
Ralf Schmidt
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Hi!

I thing the problem is solved, at least it didn't appear any more.

I don't know, what is different - i worked on the grid again and made it really good quality mesh (ab 95% of the cells have a skewness below 0.2

I read the mesh again, iterated, saved, turned on energy eq. iterated again and the error appears again

Than I read the file again, iterated untill convergence, turned on energy eq. and continued to iterate was no problem!! Until now, the file runs very fine!

So, what ever the problem of fluent is - it seems to me to be a little random. However, hoping that "&*'?"$ error will not appear anymore!

Ralf
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