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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For Force per unit area, the body load as force per unit volume is then the value of F divided by the thickness.
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For Total force, COMSOL Multiphysics then divides the total force by the area of the surfaces where the load is active.
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For Pressure, it can represent a pressure or another external pressure. The pressure is positive when directed toward the solid.
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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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FA
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FL
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Ftot
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