Pinned
The Pinned node adds an edge, boundary, domain, or point condition that fixes the translations in all directions; that is, all displacements are zero. The rotations are not constrained.
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:
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Constraint Reaction Terms
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Weak Constraints
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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
Shell>Face Constraints>Pinned
Shell>More Constraints>Pinned (Edge)
Shell>Points>Pinned
Plate>Face Constraints>Pinned
Plate>More Constraints>Pinned (Boundary)
Plate>Points>Pinned
Ribbon
Physics tab with Shell selected:
Boundaries>Face Constraints>Pinned
Edges>More Constraints>Pinned
Points>Shell>Pinned
Physics tab with Plate selected:
Boundaries>Face Constraints>Pinned
Edges>More Constraints>Pinned
Points>Plate>Pinned