FEM ConstraintContact

Description
Creates a FEM constraint for contact between 2 surfaces.

How to use

 * 1) Click on [[Image:FEM ConstraintContact.png|32px]] or choose → Mechanical Constraints →   from the top menu.
 * 2) Select the master face.
 * 3) Select the slave face.
 * 4) Enter a contact stiffness.
 * 5) Enter a friction coefficient.

Limitations

 * 1) The contact constraint can only be applied to two faces.