3.7 User-Defined Functions (UDFs) for the Continuous Fiber Model

The continuous fiber model allows you to apply custom correlations for drag, heat transfer, and mass transfer coefficients to the fibers by means of user-defined functions (UDFs). You are provided with a C template file named fiber_fluent_interface.c that contains source code for the drag, heat transfer, and mass transfer coefficient UDFs. You will need to modify this UDF source file to suit your application, compile it, and hook the resulting UDF object(s) to the fiber model. This process is described below.