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In the conceptual design environment, a surface can host subregions that have their own properties. Creating subregions can help you refine your design and improve the accuracy of an energy analysis. You can assign a material to a subregion or extrude its profile into a solid or void form to change the topography of the surface.
To create a subregion on a surface
- In the conceptual design environment, click Model tabDraw panel, and select a drawing tool. If you are creating subregions on a non-planar surface, select Line, Rectangle, or Spline Through Points.
NoteReference lines cannot be used to create subregions.
- Click Modify | Lines tabDraw panel Draw on Face.
- On the Options bar, select:
- Make surface from closed loops
- 3D Snapping
- Sketch on Surface
- an orientation from the Sketch on Surface drop-down.
- Sketch the subregion onto the surface. Any closed-loop geometry sketched in this manner is a subregion, including those created by intersecting lines, as in the following example, where 2 splines divide a triangular surface into 4 subregions. Note that a different material has been applied to each subregion to distinguish it from the others.