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 reference area and Force per deformed area, the traction components are given explicitly.
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For Total force, COMSOL Multiphysics divides the total force by the area of the boundaries where the load is active. When working with curved boundaries or local coordinate systems, use this option carefully, as the result is not always intuitive.
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For Pressure, a scalar input is given, and the orientation of the load is given by the normal to the boundary. The pressure is positive when directed toward the membrane. In a geometrically nonlinear analysis, the current surface normal and area are used.
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N/m2
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N/m2
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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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) and select Advanced Physics Options in the Show More Options dialog.
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