Position of the center of gravity
Hi everyone,
I am working on a "Vortex induced vibration" simulation and for now I managed to simulated a plate which is moving because of the air flow.. The thing is I would be glad if I can output the position of the center of gravity for each timestep in a transient simulation.. I spent a lot of time in CDF-Post and I have no idea how I can do that.. That is why I did a "DEFINE_EXECUTE_AT_END" UDF.. However I am not able to compile it with Ansys Fluent.. I will be very thankful if somebody can help me with this issue.. This is my UDF ========================================== #include "udf.h" DEFINE_EXECUTE_AT_END (execute_at_end, dt, time, dtime) { FILE * fp; /* Declaring file variable */ /* record the kinematic data in the file */ fp = fopen ("Motion.txt", "a"); /* Open a file to add data to the end */ /* Format output data file */ fprintf (fp, "% E", CURRENT_TIME); /* Current time in */ fprintf (fp, "% E", DT_CG(dt)[0]); /* center of gravity position */ fclose (fp); /* Closing the file */ } |
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