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boundary load F(x,y)

Posted 29 ott 2010, 05:08 GMT-4 2 Replies

Stephan Struggl
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Hello,

i´m struggling with a simple question... How can I set up a boundary load in z-direction like F(x,y) in solid mechanics?!

Thanks!
2 Replies Last Post 29 ott 2010, 08:14 GMT-4
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago 29 ott 2010, 05:21 GMT-4
Hi

type in your equation in the load BC with the x,y variables.
Example:
cylinder of radius R: axis along z, fixed at the lower end surface
on the upper edge rim you apply a Moment M0 [N*m] defined as an edge load force in global coordinates:
Fx = -y*M0/R
Fy = +x*M0/R

see the 3.5a moment load example in structural doc

--
Good luck
Ivar
Hi type in your equation in the load BC with the x,y variables. Example: cylinder of radius R: axis along z, fixed at the lower end surface on the upper edge rim you apply a Moment M0 [N*m] defined as an edge load force in global coordinates: Fx = -y*M0/R Fy = +x*M0/R see the 3.5a moment load example in structural doc -- Good luck Ivar
Stephan Struggl
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Posted: 1 decade ago 29 ott 2010, 08:14 GMT-4
Thanks Ivar!

Sometimes the solution is much easier as it seem to be :-)
Thanks Ivar! Sometimes the solution is much easier as it seem to be :-)

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