While an element is assigned with a tapered section and is divided into number of segments, tapering happens with each segment of theelement.From Main Menu select
Properties > Section > Tapered GroupTo get uniform tapering irrespective of the number of segments, Tapered Section Group
should be assigned.
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For the members, grouped in Tapered Section Group, the sectional properties of the non-prismatic section are automatically calculated such that the group section varies uniformly irrespective of the number of segments in the group. The auto-calculated sectional information can be converted into the model data on clicking ‘Convert to Tapered Section’.
NOTE: Tapered sections defined by Value Type cannot be assigned as a Tapered Section Group