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NX stress wizzard force applied to point

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Ritchie

Automotive
Oct 24, 2002
86
I would like to apply a force on point on a surface to see how a construction behaves under that load. I use the NX Stress Wizzard and can select planes and lines, however not point. I know there is a mesh point option but that seems to be only available in the Pre/After module. Since I am using a NX for Design license I don't have access to that module. Is there a way to apply the force to a point? I tried making a normal point on the surface but that disappears once the mesh is made. This is the workflow that I am following:



 
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Specific points are tricky in regards to FEM calculations, chances are that you bump into math singularities, the stress in that point goes to infinity and the entire calculation is ruined.
Multiple nodes are better loaded in that perspective. - In the real world a load always has an area, the ball and the rings in a ball bearing will deform such that the area can carry the load. It's point-point contact only in theory.

Create a small circle, use divide face and apply the load to that edge or face.

Regards,
Tomas

 
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