Use the
Tetras on Same Surface tool to select all tetrahedral elements with three nodes on the same surface of a 3D mesh.
Use this tool, for example, to select all tetrahedral elements on the same surface before applying boundaries conditions or editing the surface. The elements are selected if there is connectivity, even if the properties of the elements are different.
Tetras on Same Surface tool is supported for the following mesh types:
3D
() and select
Tetras on Same Surface from the drop down menu.