Briefly I have an RCS frame with nonlinear RC Columns and nonlinear steel Beams (both by fiber sections) connected by Joint2D elements. First, how to apply an equalDOF to the central node of the Joint2D elements in the floor levels. because nevertheless I change the model dimension into a -2d -4dof and then back into its original state (-2d -3dof), it generates an error!
Second, as enforcing an equalDOF for rigid diaphragm in RC Beam nonlinear fiber sections differs the internal forces and changes the frame property, whether in this model with RC Columns and Steel beams would I also still encounter the same problem or not?
Problem with Rigid Diaphragm or equalDOF in Joint2D elements
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