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Change the application pole of the momentum of a force.


Marco_Lorenzi

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Good morning everyone!

I am an aerospace engineering working on my thesis and i am trying to solve a little problem.

In the picture you can see an "aeordynamic" body. The CFD analysis gives me the forces and the momentums acting on this body. How can i calculate the momentum acting on the body with respect to O'? In particular, how do i find "R"?

Thank you very much to everyone!

 

photo_2021-08-14_14-07-19.jpg

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R depends upon the shape of the body. Since you have drawn it, I presume that you know the shape.

 

For every point, there  is an R, and the moment with respect to O is simply the sum of the R x F contributions.

DrD

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