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Apply CG load to a beam sub-structure

Question asked by Chris Fernald on Jul 31, 2012
Latest reply on Aug 3, 2012 by Jerry Steiger



I have an oddly-shaped structural tube assembly that I want analyze to see the stress/deflection under its own weight.  The structure's mass is made up of a steel structure, covered in large fiber glass panels.  I do not want the panels in my FEA model since they have little structural significance, but I do want to capture their mass and CG effect. 


Is there a good way (perhaps with remote masses) I can simulate the effect the panels have on mass and CG without having them present in the model?  If I use a remote mass, I am not sure what face to connect to the actual CG with the remote mass's "rigid beams".  I could apply panel loads on the individual beams but this would be a tedious and error-prone task as each one will be different due their odd shape.