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4. Interpreting UDFs

Once you have written your UDF using any text editor and have saved the source code file it with a .c extension in your working directory, you are ready to interpret the source file. Follow the instructions below in Section  4.2. Once interpreted, the UDF function name(s) that you supplied in the DEFINE macro(s) will appear in drop-down lists in graphical panels in FLUENT, ready for you to hook to your CFD model. Alternatively, if you wish to compile your UDF source file, see Chapter  5 for details.

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