[hamidf5533]

Hi frinds ,
I am working about Maragoni number,
For my work i Want to a udf file.
I have a Rectangular cube that fulled by water, the serface have have a four surce point that have diffrent temprature with Remnat point of surface.
Plz help me for this, i want a udf file that talk this.

[pakk]

You do not really say whay your UDF should do. So here is a random example of a UDF.

 #include "udf.h"
 
 DEFINE_PROFILE(inlet_x_velocity, thread, position)
 {
    face_t f;
    begin_f_loop(f,thread)
      {
        F_PROFILE(f, thread, position) = 1.0;
      }
    end_f_loop(f, thread)
 }