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  3. Please describe how to get rid of the error message about an undeclared variable when using the C_DIFF_L macro?

Please describe how to get rid of the error message about an undeclared variable when using the C_DIFF_L macro?

Tagged: fluent, fluid-dynamics
    • June 5, 2023 at 7:05 am
      FAQFAQ
      Participant

      If you are using a C_DIFF_L macro in the UDF and try to use the interpreter type, the following error will occur: DOMAIN_MULTICOMP_DIFF: undeclared variable C_DIFF_L macro must be used in the compilation type. The procedure for compiling the load of this UDF is as follows. 1.Define → User-Defined → Functions → open a panel in the Compiled 2.(will be compiled) Click Build button to specify the UDF 3.Click the Load button If you are using windows, you will need to install a compiler.

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