Create a selection recipe using a bounding volume

1. in the Simulation Navigator, right-click the Selection Recipes node.To create a single-strategy selection recipe, choose New Selection Recipe.To create a stacked selection recipe that can include additional strategies or adapters, choose New Stacked Selection Recipe.

2. In the Name box, type a unique name for the selection recipe.

3. From the Strategy list, select Bounding Volume.

4. If you are creating a stacked selection recipe, click Add .

5. From the Input Filter list, select the option that indicates where the entities that you want to select exist.For example, you might select Component to select entities only in a particular component FEM of an assembly FEM.Your choice also affects the types of entities that you can select using this strategy. For example, if you select Polygon Body, you can select only polygon edges and faces. If you select Mesh, you can select only nodes, elements, and element edges and faces.

6. If you selected Mesh, Polygon Body, or Component from the Input Filter list, in the Input Filter subgroup, click Select Object and then select the appropriate object.

7. Select the check box for each type of entity that you want to select.You can also click Select All to select all of the check boxes, or click Deselect All to clear all of them. You can select or clear individual check boxes after you click either of these buttons. You must select at least one check box.Note: If you are creating a stacked selection recipe and you select more than one check box, you cannot add an adapter to the selection recipe later.

8. From the Method list, select the technique to use to define the bounding volume.For information about each method, see Bounding Volume Strategy dialog box.

9. Take the appropriate action depending on the method you selected:Box - CSYS and Edge LengthsSpecify the coordinate system to use for the bounding volume box.You can click CSYS Dialog to open the CSYS dialog box, or select the coordinate system creation method from the list and then take the appropriate action in the graphics window.In the Length (XC), Width (YC), and Height (ZC) boxes, type the length, height, and width of the box relative to the specified coordinate system.Box - Two Diagonal PointsIn the Origin subgroup, specify the point at which the bounding volume box originates.You can click Point Dialog to open the Point dialog box, or select the point creation method from the list and then take the appropriate action in the graphics window.In the Target Point subgroup, specify the diagonally opposite point at which the box ends.The target point must be in a separate plane from the origin point.Box - Two Points on View PlaneIn the Origin subgroup, specify the point on the plane parallel to the screen where the bounding volume box originates.In the Target subgroup, specify the diagonally opposite point on the view plane where the box ends.To create a bounding volume with a specific depth, in the Dimensions subgroup, click Finite and then type the desired depth in the Depth box. To automatically set the depth to the current depth of the model, click Automatic Model Depth .To create a bounding volume with an infinite depth normal to the view plane, click Infinite.Note: If you use an infinite depth, the symbol for the bounding volume in the graphics window remains a 2D box.Cylinder - CSYS, Diameter and HeightSpecify the coordinate system to use for the bounding volume cylinder.The origin of the coordinate system is the origin of the cylinder.In the Diameter box, type the diameter of the cylinder.The diameter is in the X-direction of the coordinate system.In the Height box, type the height of the cylinder.The height is in the Z-direction of the coordinate system.To create only a portion of a cylinder, select the Start Angle check box and then type a value that indicates the beginning of the cylinder segment about the Z-axis relative to the positive Y-axis of the coordinate system.If you clear this check box, the start angle is 0 degrees.To set the end of the cylinder segment about the Z-axis relative to the positive Y-axis of the coordinate system, select the End Angle check box and then type a value that indicates where the cylinder segment ends.If you clear this check box, the end angle is 360 degrees.Cylinder - End Points and DiameterIn the Base Center subgroup, specify the point at one end of the bounding volume cylinder.In the Top Center subgroup, specify the point at the center of the other end of the cylinder.In the Diameter box, type the diameter of the cylinder.Cylinder - Origin and Diameter on View PlaneIn the Origin subgroup, specify the point on the plane parallel to the screen where the bounding volume cylinder originates.In the Diameter box, type the diameter of the cylinder.To create a bounding volume with a specific depth, in the Dimensions subgroup, click Finite and then type the desired depth in the Depth box. To automatically set the depth to the current depth of the model, click Automatic Model Depth .To create a bounding volume with an infinite depth normal to the view plane, click Infinite.Note: If you use an infinite depth, the symbol for the bounding volume in the graphics window remains a 2D circle.Sphere - Origin and DiameterIn the Origin subgroup, specify the point at the center of bounding volume sphere.In the Diameter box, type the diameter of the sphere.Arbitrary Volume - Polygon Body or 3D MeshIn the Selection subgroup, click Select Object .In the graphics window, select a polygon body or 3D mesh.Note: If you select a polygon body that has a curved surface, the selection recipe might not select certain entities, depending on their location. If the selection recipe does not produce the expected results, you might have to use the Inside/Crossing containment option or select a 3D mesh instead. However, using a 3D mesh can significantly increase the time it takes to load and work with the model.

10. In the Containment group, click the option that indicates whether to select the entities that exist within the bounding volume or outside of it, as well as entities that cross the boundaries of the bounding volume.

11. (Optional) If you are creating a single-strategy selection recipe and want to highlight the selected entities in the graphics window, click Show Result . To stop highlighting the entities and activate the options in the dialog box so that you can change the selection recipe as needed, click Undo Result .If you are creating a stacked selection recipe, you can highlight the selected entities after you click OK in the Bounding Volume Strategy dialog box.Tip: To see interior entities, choose View tab→Visibility group→See-Thru All .

12. Click OK.If you are creating a single-strategy selection recipe, the Create Selection Recipe dialog box closes, and the selection recipe appears under Selection Recipes in the Simulation Navigator.If you are creating a stacked selection recipe, the Bounding Volume Strategy dialog box closes, and the Create Stacked Selection Recipe dialog box reappears.Tip: If you are creating a stacked selection recipe and 0 appears in the Count column in the strategy list table, the selection recipe is not selecting any entities. You might have specified boundaries that do not contain the selected entities. To modify the strategy, right-click the strategy in the list and choose Edit. (No count appears for a bounding volume that uses an arbitrary volume.)When you edit a bounding volume strategy, you cannot change the input filter, the type of entities selected, or the bounding volume definition method. However, you can change the dimensions of the bounding volume, as well as other related options.To use a different input filter, select a different entity type, or change the bounding volume definition method, you must delete the existing strategy. To do this, right-click the strategy in the list and choose Delete. Then repeat steps 4–12 to create a new strategy.

13. (Optional) To narrow or widen the scope of your selection, select another strategy or an adapter from the Strategy list, click Add , and then complete the displayed dialog box (if any).For example, you might select Attribute to limit the selected polygon faces to those with a particular name, or select Related Elements to select all of the elements connected to the selected nodes.

14. Click OK in the Create Stacked Selection Recipes dialog box.The selection recipe appears under Selection Recipes in the Simulation Navigator.

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