[Faggio11]

Dear all,

I have tried to work with udf functions. My results were pretty acceptable when I found out that there is a small mistake that I am not able to solve.

I have to apply a rigid body motion to a bar which stands for a leaflet of a valve. I need to simulate this motion for 10 cycles.

I have written a UDF code where I impose the angular velocities within time intervals. I realised that adding up cycles the leaflet was not following the same movement; it was slightly different but enough to alter my results. Then, I have tried to derive an equation for the angular velocity with the property of being piecewise continuous. Again, the small error appears that does not let me move on.

Can anybody have a look at my code please? Any suggestions are more than welcome!!!

Thank you in advance,

G.