The Rotate option is used to rotate elements about a defined point. This is an extremely useful tool while meshing a circular domain. Mesh only one section of the domain, and rotate it to generate the complete domain.
- Select
specifies the elements for rotation.
- Copy
If enabled, the original mesh will be kept intact, and an exact copy of the mesh with duplicated nodes and elements will be rotated as specified.
- Number of copies
specifies the number of copies to generate. If at least 1 copy is generated, than you have the option to Merge nodes.
- Increment Parts
To add the newly created copies of mesh to an existing part, click the Select Parts icon. Select the part name from the window that opens up. If no part is selected, then the copies will be added to a new part.
- Merge nodes
automatically merges duplicated nodes when the mesh copies are adjacent to or overlapping one another. This uses a merge nodes tolerance setting to control the merge. Selecting merge nodes activates the options for setting the Tolerance Method and Deleting duplicate elements.
- Tolerance Method
allows you to determine how the merge tolerance should be specified. The Automatic option is recommended and will automatically calculate the tolerance as one tenth of the minimum edge length of all selected elements. If the User defined option is chosen, then an absolute tolerance can be set in the Tolerance field. The projection of the nodes are ignored during merging. There is also some internal code to prevent collapsing edges between nodes within the tolerance.
- Delete duplicate elements
deletes duplicated elements if after merging nodes the copies overlap or are adjacent.
- Rotation Axis
specifies the axis of rotation. Select the axis of rotation as one of the coordinate axes, or a vector defined by two selected points.
- Angle
Enter the angle of rotation.
- Center of Rotation
Define the point about which the elements will be rotated.
Origin
The origin of the model's global coordinate system, (0 0 0).
Centroid
The center of the bounding box of the selected elements.
Selected
Any point selected from the display.