# RigidLink command
This command is used to construct a single MP_Constraint object.
```tcl rigidLink $type $rNodeTag $cNodeTag ```
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string-based argument for rigid-link type: |
bar only the translational degree-of-freedom will be constrained to be exactly the same as those at the retained node |
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beam both the translational and rotational degrees of freedom are constrained. |
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integer tag identifying the retained node |
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integer tag identifying the constrained node |
NOTE: The constraint object constructed for the beam option assumes small rotations
## ExamplesrigidLink beam 2 3; # connect node 3 to node 2 via a rigid link-beam.
REFERENCE:
Cook, R.D., Malkus, D.S., Plesha, M. E., and Witt, R. J., "Concepts and Applications of Finite Element Analysis," 4th edition, John Wiley and Sons publishers, 2002.
Code Developed by: fmk