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  • FLUENT 6.2 - Using a material properties database generated with a previous version produces the Error: GENERAL-CAR-CDR: invalid argument [1]: improper list

  • -With FLUENT 6.2, you may see the following error if you are using a material properties database copied from a previous case that was generated with an earlier FLUENT version and if some of the materials in that database have a user-defined function (UDF) associated with them.

    Error: GENERAL-CAR-CDR: invalid argument [1]: improper list
    Error Object: "cell_density::libudf"

    FLUENT 6.2.16 has new syntax rules due to the addition of a new feature that allows for multiple UDFs (libudf) to be hooked within a case. The case file generated with an earlier FLUENT version will have an additional period (.) that has to be deleted for it to work within FLUENT 6.2. See example below:

    density (user-defined . "cell_density::libudf") -incorrect
    density (user-defined "cell_density::libudf") -corrected

    Use a text editor such as "vi" on UNIX/LINUX or Textpad on Windows to edit the case file.



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