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

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Old   March 25, 2011, 08:07
Default Error: GENERAL-CAR-CDR: invalid argument [1]: improper list
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Diane Davies
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I'm currently trying to run a 1mil cell mesh but everytime I load it I get the following error
Setting Post Processing and Surfaces information ...
Error: GENERAL-CAR-CDR: invalid argument [1]: improper list
Error Object: #f

I will also get an error stating "material air not available" but this one only appears some times. I have tried re-defining my material from the Fluent database but that doesn't work.

The above errors are preventing me from using my Parameter Set in workbench which would be very helpful to use as I have a bunch of design points I need to run. I can run my cases by manually clicking Calculate.

If it helps at all this is the error workbench gives me when I try to run a parameter set:
Error Occured during handling message in WorkBench: An error occured in FLUENT when applying cx state information.
The cortex state and surfaces could not be updated

Any help is much appreciated!!
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Old   June 21, 2011, 05:55
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Dan Humphreys
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Hi ddavies

I am having the exact same problem at the moment. Just thought I would see if you managed to find a solution?

Many thanks

Dan
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Old   December 30, 2011, 03:47
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zayzan
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Hi all, I have the same problem right now and I have been stuck to it for a while. Can you please let me know what was the problem for you guys?

Thanks
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Old   January 8, 2012, 07:40
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Hi,I have the same problem. Have you solved that?
Error: CAR: invalid argument [1]: wrong type [not a pair]
Error Object: ()



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Originally Posted by zayzan View Post
Hi all, I have the same problem right now and I have been stuck to it for a while. Can you please let me know what was the problem for you guys?

Thanks
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Old   January 9, 2012, 11:00
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zayzan
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it is a corrupted file.
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Old   July 3, 2012, 10:16
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Paul
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I'm using an older version of FLUENT (V6), and I am using a very large mesh as well. I get a similar error saying:

Error: GENERAL-CAR-CDR: invalid argument
Error Object: #f

Any help would be greatly appreciated
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Old   July 3, 2012, 10:17
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Quote:
Originally Posted by zayzan View Post
it is a corrupted file.
If the mesh passes the gridcheck, how can it possibly be a corrupted file?
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Old   October 1, 2012, 07:49
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Clément
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Did anyone find a solution to this problem? I'm facing the same one...
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Old   October 24, 2014, 04:35
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Sorry, guys, for reanimating this old post, but I found the reason. The solution is described here. Shortly, you can mark all bodies "fluid" in the DM or Meshing.
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Old   October 31, 2022, 09:07
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Lukas Fischer
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In general CAR-CDR means a setting is missing that is needed or is wrongly set up.


Check every set-up-entry in your panels, if there are entries, which make no sense.

In my case I could not switch from transient mode to steady state. I removed one input parameter and afterwards it was working (after testing all other settings...).
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Old   August 21, 2023, 09:51
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Luis Paredes Yataco
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Quote:
Originally Posted by lukasf View Post
In general CAR-CDR means a setting is missing that is needed or is wrongly set up.


Check every set-up-entry in your panels, if there are entries, which make no sense.

In my case I could not switch from transient mode to steady state. I removed one input parameter and afterwards it was working (after testing all other settings...).
Hi Lukas I am facing the same problem right now.
Please could you tell me which input parameter did you have to remove?

I am using fluent 2022 R2: Besides the case where I am working, I opened another case that had a steady state set up: I just changed it to transient (nothing else was modified) then I tried to go back to steady and the same error popped up:


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

Thanks in advance
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Old   August 24, 2023, 02:43
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Lukas Fischer
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Hi,


in Ansys Fluent there is a section where you can define "input parameters". E.g. a variable X with a certain value.


I used an input variable to define a velocity at the inlet patch of my domain. After removing this input parameter and setting a manual value for the velocity, the Error disappeared.


Again, this was the issue in my case. You may have to find something else. If nothing works, rebuild your case from the beginning.
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Old   August 24, 2023, 03:05
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you can try these tips
https://howtooansys.blogspot.com/202...ar-cdr-in.html
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Quick Tips and Tricks, Tutorials FLuent/ CFX (CFD)
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