RigidLink command: Difference between revisions
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(New page: This command is used to construct a single MP_Constraint object. {| | style="background:yellow; color:black; width:800px" | '''rigidLink $type $masterNodeTag $slaveNodeTag''' |} ---- ...) |
(Change terminology to retained/constrained) |
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{{CommandManualMenu}} | |||
This command is used to construct a single MP_Constraint object. | This command is used to construct a single MP_Constraint object. | ||
{| | {| | ||
| style="background:yellow; color:black; width:800px" | '''rigidLink $type $ | | style="background:yellow; color:black; width:800px" | '''rigidLink $type $rNodeTag $cNodeTag''' | ||
|} | |} | ||
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| style="width:150px" | '''$type ''' || string-based argument for rigid-link type: | | style="width:150px" | '''$type ''' || string-based argument for rigid-link type: | ||
|- | |- | ||
| || ''' | | || '''bar''' only the translational degree-of-freedom will be constrained to be exactly the same as those at the retained node | ||
|- | |- | ||
| || '''beam''' both the translational and rotational degrees of freedom are constrained. | | || '''beam''' both the translational and rotational degrees of freedom are constrained. | ||
|- | |- | ||
| '''$ | | '''$rNodeTag ''' || integer tag identifying the retained node | ||
|- | |- | ||
| '''$ | | '''$cNodeTag ''' || integer tag identifying the constrained node | ||
|} | |} | ||
| Line 27: | Line 28: | ||
rigidLink beam 2 3; # connect node 3 to node 2 via a rigid link-beam. | rigidLink 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: <span style="color:blue"> fmk </span> | Code Developed by: <span style="color:blue"> fmk </span> | ||
Latest revision as of 15:45, 13 June 2020
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This command is used to construct a single MP_Constraint object.
| rigidLink $type $rNodeTag $cNodeTag |
| $type | 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 | |
| beam both the translational and rotational degrees of freedom are constrained. | |
| $rNodeTag | integer tag identifying the retained node |
| $cNodeTag | integer tag identifying the constrained node |
NOTE: The constraint object constructed for the beam option assumes small rotations
EXAMPLE:
rigidLink 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