Edge Load
Add an Edge Load to 3D components to apply a force distributed along an edge.
Shell Properties

 
This section is only present in the in the Layered Shell interface, where it is described in the documentation for the Edge Load node.
Force
Select a Load type — Force per unit length or Total force. Then enter values or expressions for the components in the matrix based on the selection:
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The load per unit length FL.
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The total force Ftot. COMSOL Multiphysics then divides the total force by the volume where the load is active.
After selecting a Load type, the Load list normally only contains User defined. When combining with another physics interface that can provide this type of load, it is also possible to choose a predefined load from this list.
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You can add the Phase subnode to specify the phase of this load in a frequency domain analysis.
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You can specify this load to be a Harmonic Perturbation in a frequency domain analysis.
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You can assign this load to a load group. See Load Cases in the Structural Mechanics Modeling chapter.
Location in User Interface
Context Menus
 Solid Mechanics>Edges>Edge Load
Layered Shell>Edge Load
 Multibody Dynamics>Edges>Edge Load
Ribbon
Physics tab with Solid Mechanics or Multibody Dynamics selected:
Edges>Edge Load
Physics tab with Layered Shell selected:
Edges>Layered Shell>Edge Load