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Check that you have applied adequate fixtures to stabilize the model

Question asked by Daniel Kitts on Aug 2, 2013
Latest reply on Aug 4, 2013 by Jared Conway

I'm running a static analysis of a truss frame (created with beam weldments) with a large mass at the end.  The large mass is modeled as a solid body.  The only load I'm looking at is gravity, and I have the truss constrained on one end at specified joints.  I'm getting this error (Check that you have applied adequate fixtures to stabilize the mode) after I mesh the model and try to run the solver.

 

I believe there may be something wrong with how I'm creating the contact between the beam components and the solid body (but I don't know how to check this).  Is there a specific method to create contacts between solid bodies and beams??  I've applied "bonded" contacts with the beams to the face of the solid body.

 

Any ideas??

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