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The process for drawing section cuts within the graphical user interface is demonstrated using a cantilevered frame system (Figure 1) which has 1m segments extending along the positive global Z axis, then X, then Y. A point load of Fx = 1kN, Fy = 10kN, and Fz = 100kN is applied to the free end. After analysis is run, section cuts are drawn to obtain section-cut forces.


Figure 1 - Geometry and Loading of the Test Model



Section cut in 2D View

For section cuts drawn in a 2D View, the software automatically projects a quadrilateral cutting plane into the depth of the display. This depth is specified through Options > Dimensions and Tolerances > 2D View Cutting Planes +/-. Relevant parameters are shown in Figures 2 and 3:


Figure 2 - Section cut in 2D View


Figure 3 - Section-cut data


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Section cut in 3D View For section cuts drawn in a 3D View, open questions are listed as follows:

  • How is the section cut internally defined? Using groups or quadrilateral cutting planes?
  • If quadrilateral cutting planes are used, how is the plane determined from the line representing the section cut? (The plane is not uniquely defined by the line that is drawn to represent the section cut.)
  • Why can section cuts drawn in 3D views not be saved?



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