3 \page make_2dmesh_from_3d_page Generate boundary elements
5 \n This functionality allows to generate mesh elements on borders of
6 elements of higher dimension.
9 <em>To generate border elements:</em>
11 <li>From the Modification menu choose "Create boundary elements"
12 item, or choose from the popup menu.
14 \image html 2d_from_3d_menu.png
15 The following dialog box will appear:
16 \image html 2d_from_3d_dlg.png
18 <li>Check in the dialog box one of three radio buttons corresponding to
19 the type of operation you would like to perform.</li>
20 <li>Fill the other fields available in the dialog box.</li>
21 <li>Click the \b Apply or <b>Apply and Close</b> button to perform the operation.</li>
24 \n "Create boundary elements" dialog allows creation of boundary elements
27 <li><b>2D from 3D</b> creates mesh faces on free facets of volume elements</li>
28 <li><b>1D from 2D</b> creates mesh edges on free edges of mesh faces</li>
29 <li><b>1D from 3D</b> creates mesh edges on all borders of free facets of volume elements</li>
31 Here <em>free facet</em> means a facet shared by only one volume, <em>free edge</em>
32 means an edge shared by only one mesh face.
36 <li>specify <b>Mesh, submesh or group</b> to analyze the boundary.</li>
37 <li>specify <b>Target</b> mesh where boundary elements will
40 <li><b>This mesh</b> adds elements in the selected mesh or the mesh
41 the selected submesh or group belongs to.</li>
42 <li><b>New mesh</b> add elements to a new mesh. The new mesh appears
43 in the Object Browser with the name specified in the adjacent box
44 that you can change. </li>
46 <li>activate <b>Copy source mesh</b> checkbox to copy 2D or 3D
47 elements (depending on operation type) belonging to the object
48 specified in <b>Mesh, submesh or group</b> field to the new
50 <li>deactivate <b>Copy missing elements only</b> checkbox to copy
51 boundary elements already present in the mesh being checked to the
53 <li>activate <b>Create group</b> checkbox to create a group where
54 missing boundary elements are added to. The new group appears
55 in the Object Browser with the name specified in the adjacent box
56 that you can change. </li>
58 <br><b>See Also</b> a sample TUI Script of a \ref tui_make_2dmesh_from_3d "Create boundary elements" operation.