Split, Swap, Combine Elements
Use the Edit Elements: Split tool to split quad elements and edges, combine tria elements, and swap element edges. Second order 2D elements are also supported.
-
From the 2D ribbon, click the Edit Elements > Split tool.
Elements are colored according to how well they adhere to the pre-set quality requirements defined in the criteria file.
- Optional: On the guide bar, click to to define the options used to edit elements.
- Optional:
Find all elements at or below a certain quality level.
- Click Find on the guide bar.
- Increase or decrease the number of layers around patches of failed elements by clicking or on the guide bar.
- Review the next or previous patch of failed elements by clicking or on the guide bar.
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Select a split method from the guide bar drop-down
menu.
Option Description Split - Split an element or element edge by left-clicking.
- Swap an element edge by holding Ctrl while left-clicking on an element or edge. Additional clicks will cycle through the possible edge positions.
- Combine two tria elements by holding Shift while left-clicking on their shared edge.
Graphical Lines - Draw continuous single or multiple graphical split lines.
- Click Split.
Element Selection - Select elements to split.
- Click Split.
Note: When you split elements at fillets or curved faces, the middle nodes are projected back to parent edges/surfaces by default upon splitting.Solid - Select the elements to split.
- Select a method for splitting solid elements
- Hexas: split into hexas.
- Tetras: split into a minimal number of tetras.
- Symmetric: split into symmetric sets of tetras suitable for CFD.
- Click Split.
All split operators work on both first and second order elements.
Layer - Select nodes to define the direction of
split/combine/delete.
Two subsequent node selections define a direction. You can select multiple node pairs simultaneously, but they should be neighboring nodes. You can use By Path in Advanced Selection to define multiple splits and works for split only.
- Select a layer method.
- Split: split hex elements along edges. You can select options for biasing while splitting layers.
- Combine: combine neighboring elements.
- Delete: delete layers of elements.
- Diagonal: split a single element along the diagonal.
- Optionally, select the Elements check box and select elements to split.
- Click .
Combine - Select the elements to split.
- Click Combine.
Tip: You can toggle graphical previews from the options menu.