I am trying to simulate a problem where the particles are injected on a rotary disk. I inject the particles using the option surface injection and their velocity 0.1 normal to the boundary. the rotary disk is set to spin with 1000 rpm. the particles are leaving the disk with a velocity magnitude 0.1 m/s and not with 8 m/s, as I calculated before the experiment. I can not use the coordinates for the velocity definition, as a cylindrical definition would have been the right one.
Do you have any suggestions, how I can solve this problem
thank you very much in advance!
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