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SAP2000 calculates the section cut forces by summing the element joint forces from the frame, shell and link members included in the group that defines the section cut. The joints that are considered are those at the same location as the point objects that are included in the group. To sum the forces, each considered joint force and moment is transformed to the location that the forces are summed about and then they are transformed to the local coordinate system specified for the section cut forces. When all of the considered forces have been transformed to the appropriate location and coordinate system they are simply summed up and the total forces are reported. Section cuts can be defined by group, by cutting plane, or in graphical user interface.




Section-cut first steps

Introductory tutorial for using section cuts.


Test Problems


Frame and shell section cuts

Section cuts are defined through a simply-supported beam which is modeled using frame and shell objects.


Moving-load analysis section cuts

Verification of section-cut forces generated during moving-load analysis.


Saving section cuts during moving-load analysis

Sections cuts may be saved during moving-load analysis through this procedure.


Section cuts drawn within the graphical user interface

Draw section cuts within the graphical user interface using either 2D or 3D views.


Tendon force vs. frame response

Tendon application is validated by comparing tendon forces to those in an equivalent frame system.


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