I'm simulating a rotating shaft in a cavity full of oil.
I want to have both viscous & pressure moments on the rotating shaft.
Doing 'Report / Forces / moment', I obtain : pressure moment, viscous moment, total moment, pressure coefficient, viscous coefficient, total coefficient.
What is the definition of all these values ? I'm very surprised to see that pressure moment and viscous moment are of opposite sign !! - have you already met this ?
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