You can create a new data surface from an existing surface by rotating and/or translating the original surface. For example, you can rotate the surface of a complicated turbomachinery blade to plot data in the region between blades. You can also create a new surface at a constant normal distance from the original surface.
To transform an existing surface to create a new one, you will use the Transform Surface panel (Figure 27.10.1).
The steps for transforming a surface are as follows:
In the About box under Rotate, you will specify a point, and the origin of the coordinate system for the rotation will be set to that point. (The , , and directions will be the same as for the global coordinate system.) For example, if you specified the point (1,5,3) in 3D, rotation would be about the , , and axes anchored at (1,5,3). You can either enter the point's coordinates in the x,y,z fields or click on the Mouse Select button and select a point in the graphics window using the mouse-probe button. (See Section 28.3 for information about mouse button functions.)
In the Angles box under Rotate, you will specify the angles about the , , and axes (i.e., the axes of the coordinate system with the origin defined under About) by which the surface is rotated. For 2D problems, you can specify rotation about the axis only.
| The surface name that you enter must begin with an alphabetical letter. If your surface name begins with any other character or number,
FLUENT will not accept the entry.
If you want to delete or otherwise manipulate any surfaces, click on the Manage... button to open the Surfaces panel. See Section 27.11 for details.