LS-DYNA Input Interface KeywordThis keyword should always be the first card of the input file. Optionally used with *CONTROL_UNIT card to specify model units.
Optimization Keyword This manual contains the description of the keywords for the Radioss optimization. This manual is compatible with the version 2018 of Radioss.
*CONSTRAINED_JOINT LS-DYNA Input Interface KeywordDefine a joint between two rigid bodies.
*CONSTRAINED_JOINT_STIFFNESS LS-DYNA Input Interface KeywordDefine a stiffness, stop angles and friction for rotational DOFs of a joint between two rigid bodies.
*CONSTRAINED_NODAL_SET LS-DYNA Input Interface KeywordDefines a translational constraint to a set of nodes in the global coordinate system. There is no rotational coupling.