Documenting the nodal connectivity

[modules/smesh.git] / doc / salome / gui / SMESH / input / adding_quadratic_elements.doc

diff --git a/doc/salome/gui/SMESH/input/adding_quadratic_elements.doc b/doc/salome/gui/SMESH/input/adding_quadratic_elements.doc
index 11b7931d8f93e1750c46daacd2efa514c9347868..912e59baa32ec18962187603e901be1a57a4d51c 100644 (file)
--- a/doc/salome/gui/SMESH/input/adding_quadratic_elements.doc
+++ b/doc/salome/gui/SMESH/input/adding_quadratic_elements.doc
@@ -8,17 +8,16 @@ Quadratic elements are defined by the same corner nodes as the
 corresponding linear ones, but in addition they have \a midside nodes
 located between the corner nodes on element sides.
 
 corresponding linear ones, but in addition they have \a midside nodes
 located between the corner nodes on element sides.
 

-If a quadratic quadrilateral element has an additional node at the
-element center, it is a bi-quadratic element (or
-QUAD9). If a quadratic hexahedral element has 7 additional nodes:
-at the element center and at the center of each side, it is a
-tri-quadratic element (or HEXA27).
+If a quadratic 2D element has an additional node at the
+element center, it is a bi-quadratic element (both TRIA7 and
+QUAD9 elements are supported). If a quadratic hexahedral element has 7
+additional nodes: at the element center and at the center of each
+side, it is a tri-quadratic element (or HEXA27).

 
 The convention of nodal connectivity of elements used in SALOME is
 the MED library convention. You can consult the description of nodal
 
 The convention of nodal connectivity of elements used in SALOME is
 the MED library convention. You can consult the description of nodal

-connectivity of elements in the documentation on MED library or 
-<a href="http://www.code-aster.org/outils/med/html/connectivites.html">
-  here </a>.
+connectivity of elements in the documentation on MED library or
+\ref connectivity_page "here".

 
 There are several ways to create quadratic elements in your mesh:
 - manually (this way is described below);
 
 There are several ways to create quadratic elements in your mesh:
 - manually (this way is described below);


@@ -36,7 +35,7 @@ one of the following:
 
 \image html image152.png
 
 
 \image html image152.png
 

-\note All dialogs for quadratic element adding to the mesh
+\note All dialogs for adding quadratic element to the mesh

 provide the possibility to automatically add an element
 to the specified group or to create the group anew using
 <b>Add to group</b> box, that allows choosing an existing group for
 provide the possibility to automatically add an element
 to the specified group or to create the group anew using
 <b>Add to group</b> box, that allows choosing an existing group for


@@ -47,29 +46,37 @@ existing groups of the corresponding type becomes available. By
 default, no group is selected. In this case, when the user presses
 <b>Apply</b> or <b>Apply & Close</b> button, the warning message box
 informs the user about the necessity to input a new group name. The
 default, no group is selected. In this case, when the user presses
 <b>Apply</b> or <b>Apply & Close</b> button, the warning message box
 informs the user about the necessity to input a new group name. The

-combo box lists both \ref standalone_group "standalone groups"
-and \ref group_on_geom "groups on geometry". If the user chooses a
-group on geometry, he is warned and proposed to
-\ref convert_to_standalone "convert this group to standalone".
+combo box lists groups of all the 
+\ref grouping_elements_page "three types": both 
+\ref standalone_group "standalone groups",
+\ref group_on_filter "groups on filter", and 
+\ref group_on_geom "groups on geometry". If the user chooses a
+group on geometry or on filter, he is warned and proposed to
+convert this group to standalone.

 If the user rejects conversion operation, it is cancelled and
 a new quadratic element is not created.
 
 
 If the user rejects conversion operation, it is cancelled and
 a new quadratic element is not created.
 
 

-To create any <b>Quadratic Element</b> specify the nodes which will form your
-triangle by selecting them in the 3D viewer with pressed Shift
-button. Their numbers will appear in the dialog box as <b>Corner Nodes</b>
-(alternatively you can just input numbers in this field without
-selection).The edges formed by the corner nodes will appear in the
-table. To define the middle nodes for each edge double-click on the
-respective field and input the number of the node. All edges and the
-object formed by them will be displayed in the Object browser. When
-all edges are defined you will be able to click \b Apply or <b>Apply and Close</b> button to
+To create any <b>Quadratic Element</b> specify the nodes which will
+form your element by selecting them in the 3D viewer with pressed
+Shift button and click \a Selection button to the right of 
+<b>Corner Nodes</b> label. Their numbers will appear in the dialog box
+as <b>Corner Nodes</b> (alternatively you can just input numbers in
+this field without selection; note that to use this way the mesh
+should be selected before invoking this operation). The edges formed
+by the corner nodes will appear in the table. To define the middle
+nodes for each edge, double-click on the respective field and input
+the number of the node (or pick the node in the viewer). For
+bi-quadratic and tri-quadratic elements, your also need to specify
+central nodes.
+As soon as all needed nodes are specified, a preview of a new
+quadratic element will be displayed in the 3D viewer. Then
+you will be able to click \b Apply or <b>Apply and Close</b> button to

 add the element to the mesh.
 
 \image html aqt.png
 
 add the element to the mesh.
 
 \image html aqt.png
 

-\b Reverse button for Quadratic Edges switches the first and the last
-nodes. For all other elements it reverses the element.
+\b Reverse button reverses the element.

 </li>
 </ol>
 
 </li>
 </ol>