2019R3帶的UDF手冊 User-defined functions (UDFs) allow you to customize ANSYS Fluent and can significantly enhance its capabilities. Part 1 of the ANSYS Fluent Customization Manual presents detailed information on how to write, compile, and use UDFs in ANSYS Fluent. Examples have also been included, where available. General information about C programming basics is included in an appendix.