Multi plastic Link in sap2000

[William dapeuh]

hello everyone as part of my master's thesis in civil engineering i have to make a model with multi plastic link to take into account the semi-rigid nature of the connections of the truss in sap2000 according to the configuration of the image attached to this message. my problem is at the level of the definition of the law of behavior of these link moreover i have to connect these non linear link by rigid link at each node of my frame any help will be welcome