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Hi, everyone. During a column seismic experiment with the pseudo-static loading pattern, I use the CFRP wrapped the column, to check the improvement of the column's experiment outcome. In opensees modeling I use the nonlinear beam-column element, I am here asking how to model CFRP into the fiber sec...

Is the rigidlink command restrain all the 'dof' of the node? If I want to release certain dof, such as the dof along the vertical direction, how to realize it? Thank you very much.