Edge Load
Add an Edge Load to 3D components to apply a force distributed along an edge.
Force
Select a Load type — Force per unit length (the default) 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
 Multibody Dynamics>Edges>Edge Load
Ribbon
Physics tab with Solid Mechanics or Multibody Dynamics selected:
Edges>Edge Load