![]() I recommend you use the upper half of the hole in the blue plate as the scope for the Mobile connection to the Beam. In that case, a Rigid behavior of the bolt head provides a stress field in the plastic that is closer to the solid bolt head than the Deformable behavior, which will pull the edges of the hole down way too much.nYes, Deformable is like RBE3 from Nastran. The example is two plates made of plastic or any material that is hundreds or thousands of times softer than a steel bolt. nI can give you an example where Rigid behavior will produce results that are closer to the results from a solid bolt head than a Deformable behavior on a Beam connection. The point he and I agree on is that if stress at a bolted joint is critical, it should be represented using solids for the nut and bolt, not idealized beams and constraint equations.
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