You can define complex coupled behavior for connectors using connector derived components and connector potentials. Connector derived components are user-specified component definitions based on a function of intrinsic connector components of relative motion. You can create derived components to specify the friction-generating normal force in connectors as a complex combination of connector forces and moments or to use as an intermediate result in a connector potential function.

Connector potentials are user-defined mathematical functions of intrinsic components of relative motion or derived components. These functions can be quadratic, elliptical, or maximum norms. You use connector potentials to define coupled friction, plasticity, and damage connector behaviors.

For detailed instructions on defining derived components and potentials, see “Specifying connector derived components,” Section 15.15.14, and “Specifying potential terms,” Section 15.15.15. For more information on connector functions, see “Connector functions for coupled behavior,” Section 25.2.4 of the ABAQUS Analysis User's Manual.