Custom Discretize
After selecting Discretize , you may need to tailor the discretization on one or more boundary line segments. This can be done with the Custom Discretize option. To Custom Discretize:
- Select Custom Discretize from the toolbar or the Mesh menu.
- Use the mouse to select the boundary line segments that you would like to Custom Discretize.
- When you are finished selecting, press Enter or right-click and select Done Selection.
- You will see a dialog. There are two ways in which you can change the number of discretizations on the selected segments:
- Enter the NUMBER of discretizations that you would like to apply to EACH selected segment.
- Enter a FACTOR, which will be used to MULTIPLY the existing number of discretizations on EACH selected segment.
- Select OK, and all selected line segments will be re-discretized according to the value you have entered in the dialog.
- Repeat steps 1-5 if different segments require different discretizations since only one number at a time can be entered as a custom discretization.
Custom Discretize always applies a uniform discretization to the selected line segments, using the user-supplied number of discretizations, or multiplication factor, per line segment. If you wish to simulate a "graded" discretization along a boundary using Custom Discretization, you can insert vertices along a boundary to divide it up into smaller segments, and then apply a Custom Discretization to each segment.
- You must always use the Discretize option first, to produce an initial discretization, before you can Custom Discretize.
- Before using Custom Discretize, you may want to first try changing the Approximate Number of Elements in the Mesh Setup dialog, and re-selecting Discretize. This may be sufficient to create a discretization to your liking.
- Discretization can also be customized (refined) using the Double Discretizations option.
- Anytime the discretization is reset (e.g. with the Reset Mesh option), all Custom Discretization will be lost. If you accidentally reset a Custom Discretization, remember that you can always use the Undo option to Undo any actions in Slide2.