Roller
The Roller node adds a roller constraint as the boundary condition; that is, the displacement is zero in the direction perpendicular (normal) to the boundary, but the boundary is free to move in the tangential direction.
Constraint Settings
To display this section, click the Show button () and select Advanced Physics Options.
Location in User Interface
Context menus
Solid Mechanics>Roller
Ribbon
Physics Tab with Solid Mechanics selected:
Boundaries>Solid Mechanics>Roller