X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=doc%2Fsalome%2Fgui%2FSMESH%2Finput%2Fdouble_nodes_page.doc;h=955d0cffeb6f6e2298dd16cb1d515d9de0c3a21c;hp=a8a93d1f94190d39c78ff91586e7b0bd15ad711f;hb=83811dbaaef9bb88b6ed0c5fe83fe1ab68d8d436;hpb=bd4e115a78b52e3fbc016e5e30bb0e19b2a9e7d6

diff --git a/doc/salome/gui/SMESH/input/double_nodes_page.doc b/doc/salome/gui/SMESH/input/double_nodes_page.doc
index a8a93d1f9..955d0cffe 100644
--- a/doc/salome/gui/SMESH/input/double_nodes_page.doc
+++ b/doc/salome/gui/SMESH/input/double_nodes_page.doc
@@ -1,72 +1,160 @@
 /*!
 
-\page double_nodes_page Duplicate Nodes
+\page double_nodes_page Duplicate Nodes or/and Elements
 
-\n This operation allows to duplicate nodes of your mesh, which can be
-useful to emulate a crack in the model.
-Duplication consists in replacement of an existing mesh element by another one.
-Lower level elements of the duplicated ones are cloned automatically. 
+\n This operation allows duplicating mesh nodes or/and elements, which can be useful to emulate a crack in the model.
 
-<em>To duplicate nodes:</em>
+Duplication consists in creation of mesh elements "equal" to existing ones.
+
+<em>To duplicate nodes or/and elements:</em>
 <ol>
-<li>From the \b Modification menu choose \b Transformation -> \b Duplicate
-\b Nodes item or click <em>"Duplicate Nodes"</em> button in the toolbar.
+<li>From the \b Modification menu choose \b Transformation -> <b> Duplicate
+ Nodes or/and Elements </b> item or click <em>"Duplicate Nodes or/and
+ Elements"</em> button in the toolbar.
 <br>
-\image html duplicate_nodes.png "Duplicate Nodes button"
+\image html duplicate_nodes.png "Duplicate Nodes or/and Elements button"
 </li>
-<li>Check in the dialog box one of two radio buttons corresponding to
-the type of nodes duplication operation you would like to perform.</li>
-<li>Fill the other fields available in the dialog box (depends on the chosen
- operation mode).</li>
-<li>Click the \b Apply or <b>Apply and Close</b> button to perform the operation of nodes
- duplication.</li>
+<li>Check in the dialog box one of four radio buttons corresponding to
+  the type of duplication operation you would like to perform.</li>
+<li>Fill the other fields available in the dialog box (depending on
+  the chosen operation mode).</li>
+<li>Click the \b Apply or <b>Apply and Close</b> button to perform the
+  operation of duplication.</li> 
 </ol>
 
-\n "Duplicate Nodes" dialog has two working modes:
+\n "Duplicate Nodes or/and Elements" dialog has four working modes:
 <ul>
-<li>\ref mode_without_elem_anchor "Without the duplication of border elements"</li>
-<li>\ref mode_with_elem_anchor "With the duplication of border elements"</li>
+<li>\ref mode_without_elem_anchor "Duplicate nodes only"</li>
+<li>\ref mode_with_elem_anchor "Duplicate nodes and border elements"</li>
+<li>\ref mode_elem_only_anchor "Duplicate elements only"</li>
+<li>\ref mode_group_boundary_anchor "Duplicate nodes on group boundaries"</li>
 </ul>
 
 <br>
 \anchor mode_without_elem_anchor
-<h2>Without duplication of border elements</h2>
 
-In this mode the dialog looks like:
+<h2>Duplicate nodes only</h2>
 
 \image html duplicate01.png
 
 Parameters to be defined in this mode:
 <ul>
-<li><b>Group of nodes to duplicate</b> (<em>mandatory</em>): these nodes will be duplicated.</li>
-<li><b>Group of elements to replace nodes with new ones</b> (<em>optional</em>): the duplicated nodes
- will be associated with these elements.</li>
-<li><b>Construct group with newly created nodes</b> option (<em>checked by default</em>): 
- if checked - the group with just created nodes will be built.</li>
+<li><b>Group of nodes to duplicate</b> (<em>mandatory</em>): these
+  nodes will be duplicated.</li>
+<li><b>Group of elements to replace nodes with new ones</b>
+  (<em>optional</em>): the new nodes will replace the duplicated nodes within these elements.</li> 
+<li><b>Construct group with newly created nodes</b> option
+  (<em>checked by default</em>): if checked - the group with newly
+  created nodes will be built.</li> 
 </ul>
+A schema below illustrates how the crack is emulated using the node duplication.
+\image html crack_emulation_double_nodes.png "Crack emulation"
+This schema shows a virtual crack in a 2D mesh created using this duplication
+mode:
+- Black balls are <b>duplicated nodes</b>.
+- Red balls are <b>new nodes</b>.
+- <b>Elements to replace nodes with new ones</b> are marked with green.
+
+Note that in the reality <b>duplicated nodes</b> coincide with <b>new nodes</b>.
 
 <br>
 \anchor mode_with_elem_anchor
-<h2>With duplication of border elements</h2>
 
-In this mode the dialog looks like:
+
+<h2>Duplicate nodes and border elements</h2>
 
 \image html duplicate02.png
 
 Parameters to be defined in this mode:
 <ul>
-<li><b>Group of elements to duplicate</b> (<em>mandatory</em>): these elements will be duplicated.</li>
-<li><b>Group of nodes at not to duplicate</b> (<em>optional</em>): group of nodes at crack bottom
- which will not be duplicated.</li>
-<li><b>Group of elements to replace nodes with new ones</b> (<em>mandatory</em>): the duplicated nodes
- will be associated with these elements.</li>
-<li><b>Construct group with newly created elements</b> option (<em>checked by default</em>): 
- if checked - the group of just created elements will be built.</li>
-<li><b>Construct group with newly created nodes</b> option (<em>checked by default</em>): 
- if checked - the group of just created nodes will be built.</li>
+<li><b>Group of elements to duplicate</b> (<em>mandatory</em>): these
+  elements will be duplicated.</li> 
+<li><b>Group of nodes not to duplicate</b> (<em>optional</em>):
+  group of nodes at crack bottom which will not be duplicated.</li>
+<li><b>Group of elements to replace nodes with new ones</b>
+  (<em>mandatory</em>): the new nodes will replace the nodes to
+  duplicate within these elements.</li> 
+<li><b>Construct group with newly created elements</b> option
+ (<em>checked by default</em>): if checked - the group of newly created
+ elements will be built.</li>
+<li><b>Construct group with newly created nodes</b> option
+  (<em>checked by default</em>): if checked - the group of newly
+  created nodes will be built.</li>
+</ul>
+
+A schema below explains the crack emulation using the node duplication
+with border elements.
+\image html crack_emulation_double_nodes_with_elems.png "Crack emulation"
+This schema shows a virtual crack in a 2D mesh created using this duplication
+mode. In this schema:
+- Black segments are <b>duplicated elements</b> (edges in 2D case).
+- Black balls (except for the lowest one) are duplicated nodes of <b>duplicated elements</b>.
+- The lowest black ball is the <b>non-duplicated node</b>.
+- Red balls are <b>newly created nodes</b>.
+- Red segments are <b>created elements</b> (edges).
+- <b>Elements to replace nodes with new ones</b> are marked with green.
+
+Note that in the reality <b>nodes to duplicate</b> coincide with <b>new nodes</b>.
+<br>
+In a 3D case, where <b>elements to duplicate</b> are faces, the edges
+located at the "crack" (if any) are cloned automatically.
+
+<br>
+\anchor mode_elem_only_anchor
+<h2>Duplicate elements only</h2>
+
+This mode duplicates the given elements, i.e. creates new elements with the same nodes as the given elements.
+<br>
+
+\image html duplicate03.png
+
+Parameters to be defined in this mode:
+<ul>
+  <li><b>Group of elements to duplicate</b> (<em>mandatory</em>): these
+    elements will be duplicated.</li>
+  <li><b>Construct group with newly created elements</b> option
+    (<em>checked by default</em>): if checked - the group of newly created
+    elements will be built. The name of the created group starts from
+    "DoubleElements".</li>
 </ul>
 
+<br>
+\anchor mode_group_boundary_anchor
+<h2>Duplicate nodes on group boundaries</h2>
+
+This mode duplicates nodes located on boundaries between given groups of volumes.
+
+<br>
+
+\image html duplicate04.png
+
+Parameters to be defined in this mode:
+<ul>
+  <li><b>Groups (faces or volumes) </b> (<em>mandatory</em>): list of mesh
+    groups. These groups should be disjoint, i.e. should not have shared
+    elements.</li>
+  <li> If <b>Create joint elements</b> option is activated, flat
+    elements are created on the duplicated nodes: a triangular facet
+    shared by two volumes of two groups generates a flat prism, a
+    quadrangular facet generates a flat hexahedron. 
+    Correspondingly 2D joint elements (null area faces) are generated
+    where edges are shared by two faces.
+    <br>
+    The created flat volumes (or faces) are stored in groups. These groups are named
+    according to the position of the group in the list of groups: group
+    "j_n_p" is a group of flat elements that are built between the group \#n
+    and the group \#p in the group list. All flat elements are gathered
+    into the group named "joints3D" (correspondingly "joints2D"). The flat elements of multiple
+    junctions between the simple junction are stored in a group named
+    "jointsMultiples".</li>
+  <li> If <b>On all boundaries</b> option is activated, the volumes (or faces),
+    which are not included into <b>Groups</b> input, are considered
+    as another group and thus the nodes on the boundary
+    between <b>Groups</b> and the remaining mesh are also
+    duplicated.</li>
+</ul>
 
-<br><b>See Also</b> a sample TUI Script of a \ref tui_duplicate_nodes "Duplicate nodes" operation.
+<br><b>See Also</b> a sample TUI Script of a
+ \ref tui_duplicate_nodes "Duplicate nodes or/and elements" operation.
 
 */