The SectorCut feature is used to generate a 3D hub sector by revolving a closed-loop sketch curve (existing in a constant-theta plane) about the machine axis. The resulting 3D hub is trimmed at the same theta extents as the StageFluidZone feature corresponding to the specified Blade/Splitter. The 3D hub is also trimmed, if necessary, by the hub curve belonging to the FlowPath feature corresponding to the specified Blade/Splitter.
The feature properties are as follows:
Table 10.2: Details View for SectorCut Feature
|
Details of [Feature Name] | |
|
Blade |
[Blade or Splitter feature selection] |
|
Sketch |
[Sketch selection] |
|
Flow Type |
[Axial | Transitional | Radial] |
A StageFluidZone feature must be present in the model above the position of the SectorCut Feature.
With Improved Boolean Operations (Model Settings) set to "No", the resulting SectorCut feature does not include a copy of the blade geometry. The Hub geometry will be placed in the "Frozen" state to prevent merging with the Blade/Splitter geometry. If required, you can subsequently merge the Hub geometry by using an Unfreeze feature (see Unfreeze in the Ansys DesignModeler User's Guide).
If you cannot easily merge (using DesignModeler features) a SectorCut feature with a blade that has a hub blend, try setting preference Improved Boolean Operations (Model Settings) to "Yes". Note that:
With Improved Boolean Operations (Model Settings) set to "Yes", the resulting SectorCut feature includes a copy of the blade geometry merged with the Hub geometry.
Changing preference Improved Boolean Operations can slightly affect the resulting geometry for blades that have a hub/shroud blend.
It might be difficult to manually (using DesignModeler features) merge a SectorCut feature with a blade that has a shroud blend. You cannot merge a SectorCut feature with a blade that has a shroud blend by setting Improved Boolean Operations to ‘Yes’.
For the flow type:
Select "Axial" for flow paths that are entirely parallel to the machine axis
Select "Transitional" for flow paths that enter axially and exit radially or vice-versa
Select "Radial" for flow paths that are entirely perpendicular to the machine axis