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The SWedge Combination Analysis is automatically computed:

  • when input data is entered or modified in a dialog (e.g. Input Data), and Apply or OK is selected in the dialog
  • when support is added or edited
  • when a previously saved file is opened

This ensures that the latest analysis results are always presented in the Sidebar (Wedge Information panel), and all SWedgeviews (e.g. Info Viewer, Stereonet View, Histograms, Scatter Plots etc).

Compute Option

The Compute option in the toolbar or Analysis menu can also be used to Compute the SWedge analysis. However, for a Combination analysis, the Compute option is generally not required, because the analysis results corresponding to the current input data, should always be displayed. Therefore, if you select the Compute option for a Combination Analysis, the analysis will be re-computed but the results should not change.

Geometry Validation

SWedge always checks if the wedge geometry is valid, before proceeding to calculate a Safety Factor for a given wedge. If the orientation of the Joint planes, Slope planes and Tension Crack (if present) do not form a kinematically admissible wedge (i.e. a wedge which can be removed from the slope), then the safety factor will not be computed for that wedge.

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