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viscous moment

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Old   April 8, 2003, 05:43
Default viscous moment
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Thierry
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Hello !

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 ?

Thanks
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