X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=doc%2Fsalome%2Fgui%2FSMESH%2Finput%2Fadditional_hypo.doc;h=a41cbb40ba9b2eefeec99bd04bba072528bfef96;hp=9b732a0454da96e47fa41964aefe74c7269f9e10;hb=dd0d39d752a4d5ba58ed2e417651093764bb8d09;hpb=146533380d6471f13f5c756e04dd59655f1b5a53

diff --git a/doc/salome/gui/SMESH/input/additional_hypo.doc b/doc/salome/gui/SMESH/input/additional_hypo.doc
index 9b732a045..a41cbb40b 100644
--- a/doc/salome/gui/SMESH/input/additional_hypo.doc
+++ b/doc/salome/gui/SMESH/input/additional_hypo.doc
@@ -5,37 +5,45 @@
 \n <b>Additional Hypotheses</b> can be applied as a supplement to the
 main hypotheses, introducing additional concepts to mesh creation.
 
-To define an <b>Additional Hypothesis</b> simply select it in
-<b>Create Mesh</b> menu. These hypotheses are actually changes in the
-rules of mesh creation and as such don't possess adjustable values.
-
-\anchor non_conform_allowed_anchor
-<h2>Non Conform mesh allowed hypothesis</h2>
-
-<b>Non Conform mesh allowed</b> hypothesis allows to generate non-conform
-meshes (that is, meshes having some edges ending on an edge or face of
-adjacent elements).
-
-\anchor quadratic_mesh_anchor
-<h2>Quadratic Mesh</h2>
+An <b>Additional Hypothesis</b> can be defined in the same way as any
+main hypothesis in \ref create_mesh_anchor "Create Mesh" or 
+\ref constructing_submeshes_page "Create Sub-Mesh" dialog.
+
+The following additional hypothesis are available:
+<ul> 
+<li>\ref propagation_anchor "Propagation of 1D Hypothesis on opposite edges" 
+  and \ref propagofdistribution_anchor "Propagation of Node Distribution on Opposite Edges"
+  hypotheses are useful for creation of quadrangle and hexahedral
+  meshes.</li>
+<li>\ref viscous_layers_anchor "Viscous Layers" and 
+  \ref viscous_layers_anchor "Viscous Layers 2D"
+  hypotheses allow creation of layers of highly stretched
+  elements near mesh boundary, which is beneficial for high quality
+  viscous computations.</li>
+<li>\ref quadratic_mesh_anchor "Quadratic Mesh" hypothesis allows
+  generation of second order meshes.</li> 
+<li>\ref quadrangle_preference_anchor "Quadrangle Preference"
+  enables generation of quadrangles.</li>
+</ul>
 
-Quadratic Mesh hypothesis allows to build a quadratic mesh (whose
-edges are not straight but curved lines and can be defined by three
-points: first, middle and last instead of an ordinary two).
-
-See \ref adding_quadratic_elements_page
-for more information about quadratic meshes.
 
 \anchor propagation_anchor
 <h2>Propagation of 1D Hypothesis on opposite edges</h2>
 
-<b>Propagation of 1D Hypothesis on opposite edges</b> allows to propagate a
-hypothesis onto an opposite edge. If a local hypothesis and
-propagation are defined on an edge of a quadrangular face, the
-opposite edge will have the same hypothesis, unless another hypothesis
-has been locally defined on the opposite edge.
- 
-<br><b>See Also</b> a sample TUI Script of a 
+<b>Propagation of 1D Hypothesis on opposite edges</b> allows to mesh
+opposite sides of a quadrangle face and other adjacent quadrangles,
+using the same hypothesis assigned to only one edge.<br>
+Thus you define a sub-mesh on the edge where you define 1D meshing
+parameters and the \b Propagation hypothesis. These local meshing
+parameters will be propagated via opposite sides of quadrangles to the
+whole geometry, and this propagation stops at an edge with other local
+meshing parameters.
+
+This hypothesis can be taken into account by 
+\ref a1d_algos_anchor "Wire Discretization" and 
+\ref a1d_algos_anchor "Composite Side Discretization" algorithms.
+
+<b>See Also</b> a sample TUI Script of a 
 \ref tui_propagation "Propagation hypothesis" operation
 
 \anchor propagofdistribution_anchor
@@ -48,25 +56,18 @@ opposite edge will have the same number of nodes and the same
 relations between segment lengths, unless another hypothesis
 has been locally defined on the opposite edge.
  
-<br><b>See Also</b> a sample TUI Script of a 
-\ref tui_propagation "Propagation hypothesis" operation
-
-\anchor quadrangle_preference_anchor
-<h2>Quadrangle Preference</h2>
-
-This additional hypothesis can be used together with 2D triangulation algorithms.
-It allows 2D triangulation algorithms to build quadrangular meshes.
+This hypothesis can be taken into account by 
+\ref a1d_algos_anchor "Wire Discretization" and 
+\ref a1d_algos_anchor "Composite Side Discretization" algorithms.
 
-When used with "Quadrangle (Mapping)" meshing algorithm, that is obsolete
- since introducing \ref hypo_quad_params_anchor "Quadrangle parameters" 
-hypothesis, this hypothesis has one restriction on its work: the total quantity of 
-segments on all four sides of the face must be even (divisible by 2).
+<b>See Also</b> a sample TUI Script of a 
+\ref tui_propagation "Propagation hypothesis" operation
 
 \anchor viscous_layers_anchor
 <h2>Viscous Layers and Viscous Layers 2D</h2>
 
 <b>Viscous Layers</b> and <b>Viscous Layers 2D </b> additional
-hypotheses can be used together with either some 3D algorithms, for example
+hypotheses can be used by several 3D algorithms, for example
 Hexahedron(i,j,k), or 2D algorithms, for example Triangle
 (MEFISTO), correspondingly. These hypotheses allow creation of layers
 of highly stretched elements, prisms in 3D and quadrilaterals in 2D,
@@ -84,17 +85,17 @@ computations.
 <li><b>Stretch factor</b> - defines the growth factor of element height
   from the mesh boundary inwards.</li>
 <li><b>Extrusion method</b> (available in 3D only) - defines how
-  position of nodes are found during prism construction and how
-  creation of distorted and intersecting prisms is prevented.
-<ul><li><b>Surface offset + smooth</b> method extrudes nodes along normal
-    to underlying geometrical surface. Smoothing of internal surface of
+  positions of nodes are found during prism construction and how
+  the creation of distorted and intersecting prisms is prevented.
+<ul><li><b>Surface offset + smooth</b> method extrudes nodes along the normal
+    to the underlying geometrical surface. Smoothing of the internal surface of
     element layers is possible to avoid creation of invalid prisms.</li>
-  <li><b>Face offset</b> method extrudes nodes along average normal of
-    surrounding mesh faces till intersection with a neighbor mesh face
-    translated along its own normal by the layers thickness. Thickness
+  <li><b>Face offset</b> method extrudes nodes along the average normal of
+    surrounding mesh faces to the intersection with a neighbor mesh face
+    translated along its own normal by the thickness of layers. The thickness
     of layers can be limited to avoid creation of invalid prisms.</li>
-  <li><b>Node offset</b> method extrudes nodes along average normal of
-    surrounding mesh faces by the layers thickness. Thickness of
+  <li><b>Node offset</b> method extrudes nodes along the average normal of
+    surrounding mesh faces by the thickness of layers. The thickness of
     layers can be limited to avoid creation of invalid prisms.</li> 
 \image html viscous_layers_extrusion_method.png "Prisms created by the tree extrusion methods at the same other parameters"
 </ul></li>
@@ -105,11 +106,12 @@ computations.
   either should be or should not be constructed, depending on the
   value of the previous parameter (<b>Specified Faces/Edges are</b>). 
   Faces (or edges) can be selected either in the Object Browser or in
-  the VTK Viewer.
+  the VTK Viewer. \b Add button becomes active as soon as a suitable
+  sub-shape is selected.
   \note A mesh shown in the 3D Viewer can prevent selection of faces
-  and edges, just hide the mesh to avoid this. Sometimes a face to
-  select is hidden by other faces, in this case consider creating a
-  group of faces you want to select in the Geometry module.<br>
+  and edges, just hide the mesh to avoid this. If a face, which should be
+  selected, is hidden by other faces, consider creating a
+  group of faces to be selected in the Geometry module.<br>
   To avoid a long wait when a
   geometry with many faces (or edges) is displayed, the number of faces
   (edges) shown at a time is limited by the value of "Sub-shapes
@@ -144,4 +146,37 @@ computations.
 <br><b>See also</b> a sample TUI script of a \ref tui_viscous_layers
 "Viscous layers construction".
 
+
+\anchor quadratic_mesh_anchor
+<h2>Quadratic Mesh</h2>
+
+Quadratic Mesh hypothesis allows to build a quadratic mesh (in which
+links between element nodes are not straight but curved lines due to
+presence of an additional mid-side node).
+
+This 1D hypothesis can be taken into account by 
+\ref a1d_algos_anchor "Wire Discretization" and 
+\ref a1d_algos_anchor "Composite Side Discretization" algorithms. To
+create a quadratic mesh assign this hypothesis at 
+\ref constructing_meshes_page "mesh construction".
+
+See \ref adding_quadratic_elements_page
+for more information about quadratic meshes.
+
+
+\anchor quadrangle_preference_anchor
+<h2>Quadrangle Preference</h2>
+
+This additional hypothesis can be used together with 2D triangulation algorithms.
+It allows 2D triangulation algorithms to build quadrangular meshes.
+
+Usage of this hypothesis with "Quadrangle: Mapping" meshing algorithm
+is obsolete since introducing
+\ref hypo_quad_params_anchor "Quadrangle parameters" hypothesis.
+Usage of this hypothesis with "Quadrangle: Mapping" meshing algorithm
+corresponds to specifying "Quadrangle Preference" transition type of
+\ref hypo_quad_params_anchor "Quadrangle parameters" hypothesis.
+\note "Quadrangle Preference" transition type can be used only if the
+total quantity of segments on all sides of the face is even (divisible
+by 2), else "Standard" transition type is used.
 */