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32.5.4 Adapt/Region...

The Adapt/Region... menu item opens the Region Adaption panel.



Region Adaption Panel


The Region Adaption panel allows you to mark or refine cells inside or outside a specified region defined by text or mouse input. See Section  26.7 for details.

figure

Controls

Options   contains radio buttons that control whether the cells inside or outside the region are marked for refinement.
Inside   enables the marking of cells with centroids that are within the region.

Outside   enables the marking of cells with centroids that are outside the region.

Shapes   contains radio buttons that control the type of region.
Hex/Quad   defines a hexahedral region in 3D or a rectangular region in 2D. The appropriate button will appear for the solver you are using.

Sphere/Circle   defines a spherical region in 3D or a circular region in 2D. The appropriate button will appear for the solver you are using.

Cylinder   defines a cylindrical region in 3D or a rectangular region in 2D.

Manage...   opens the Manage Adaption Registers panel, which allows you to display and manipulate adaption registers that are generated using the Mark command.

Controls...   opens the Grid Adaption Controls panel, which allows you to control certain aspects of the adaption process.

Input Coordinates   defines the extent of the selected region. The appearance of this box changes depending on the type of region selected.

If the region selected is a hexahedron or quadrilateral, you will input the minimum and maximum coordinates defining the box. (The Radius real number field will not be active.)

X Min,Y Min,Z Min   define the coordinates of the minimum point defining the hexahedron or rectangle. For quadrilaterals, the Z Min real entry field will not be active.

X Max,Y Max,Z Max   define the coordinates of the maximum point defining the hexahedron or rectangle. For quadrilaterals, the Z Max real entry field will not be active.

If the region selected is a sphere or circle, you will input the coordinates of the sphere's center and its radius. (The maximum coordinate real number fields will not be active.)

X Center,Y Center,Z Center   are the coordinates of the centroid of the sphere or circle. For circles, the Z Center real entry field will not be active.

Radius   is the radius of the sphere or circle.

If the region selected is a cylinder, you will input the minimum and maximum coordinates defining the cylinder axis, as well as the radius of the cylinder.

X-Axis Min,Y-Axis Min,Z-Axis Min   define the coordinates of the minimum point defining the cylinder axis. For 2D cases, the Z-Axis Min real entry field will not be active.

X-Axis Max,Y-Axis Max,Z-Axis Max   define the coordinates of the maximum point defining the cylinder axis. For 2D cases, the Z-Axis Max real entry field will not be active.

Radius   is the radius of the cylinder. (In 2D, this will be the width of the resulting rectangle.)

Select Points with Mouse   activates selection of input coordinates with the mouse. If one of the mouse buttons is defined as a mouse probe, you may select the input coordinates from a display of the grid or solution field. For more information on mouse buttons, please refer to Section  28.3. After you select the points, the values will be loaded automatically into the appropriate real number field. If you desire, you can edit these values before marking or adapting. The order of input for defining a hexahedron (rectangle) is insignificant, but the order of input for the sphere (circle) has significance. First, you select the location of the centroid. Then you select a point that lies on the sphere, i.e., a point that is one radius away from the centroid.

Adapt   adapts the grid based on the region defined and the in/out option.

Mark   marks the cells to be refined based on the region defined and the in/out option. This command produces an adaption register. For information on using adaption registers, see Section  26.11.1.


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