Reply To: How to check the boundary and conectivity?

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November 10, 2015 at 10:54 pm #260
Andreas Schellenberg
Keymaster

Yes, that is often a problem with SAP2000, because it will automatically eliminate/ignore degrees of freedom that are not connected to anything. However, OpenSees will not do this, so if you import a SAP2000 model that has dangling nodes or DOFs that are not connected to anything, the analysis in OpenSees will fail. You did the correct thing, by carefully checking your model for these conditions.