This option allows
you to create a multipoint constraint equation of the form: 
where Aj is a real number, and A1 is non-zero.
A mesh must be loaded in order to define a constraint equation.
- Name
the name of the constraint equation.
- MPC Set
the set identification number.
- LCS
select the Coordinate System from the drop-down list.
- Node Set ID
specifies the ID number of the Node Set.
The dependent and independent nodes, DOF, and coefficients can be specified.