A link object connects two joints, i and j, separated by length L, such that specialized structural behavior may be modeled. Linear, nonlinear, and frequency-dependent properties may be assigned to each of the six deformational degrees-of-freedom (DOF) which are internal to a link, including axial, shear, torsion, and pure bending. Internal deformation is then calculated from joint j displacement relative to joint i, where i may be grounded to simulate a support point. To utilize nonlinear and frequency-dependent properties, corresponding analysis cases must be defined and run.
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