Pinned
The
Pinned
node adds an edge (3D), boundary (2D), or point (2D and 3D) condition that makes the edge, boundary, or point fixed; that is, the displacements are zero in all directions.
Constraint Settings
To display this section, click the
Show More Options
button (
) and select
Advanced Physics Options
in the
Show More Options
dialog box.
In the
COMSOL Multiphysics Reference Manual:
•
Constraint Reaction Terms
•
Weak Constraints
•
Constraint Settings
You can activate and deactivate this boundary condition by assigning it to a constraint group. See
Load Cases
in the
Structural Mechanics Modeling
chapter.
Location in User Interface
Context Menus
Truss>Line Constraints>Pinned
(Line)
Truss>Pinned
(Point)
Ribbon
Physics tab with
Truss
selected:
Edges>Line Constraints>Pinned
Points>Truss>Pinned
) and select Advanced Physics Options in the Show More Options dialog box. 
