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=98353ed256b0b828aafdd12da6d22ae1a296f01a;hp=9687bdf2d6f9a5ce1ccc478af9605632d53c219a;hb=373c03904b8e3fc5490ff4e17716f0cdcb39c03c;hpb=79b1ac2b6df9117f16f11d444b1f165d477a1813

diff --git a/doc/salome/gui/SMESH/input/additional_hypo.doc b/doc/salome/gui/SMESH/input/additional_hypo.doc
index 9687bdf2d..98353ed25 100644
--- a/doc/salome/gui/SMESH/input/additional_hypo.doc
+++ b/doc/salome/gui/SMESH/input/additional_hypo.doc
@@ -9,18 +9,24 @@ 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>
 
 Quadratic Mesh hypothesis allows to build a quadratic mesh (whose
-edges are not straight but broken lines and can be defined by three
-points: first, middle and last) instead of an ordinary one.
+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
@@ -28,8 +34,56 @@ 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 
-\ref tui_propagation "Propagation hypothesis" operation.  
+\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.
+
+When used with "Quadrangle (Mapping)" meshing algorithm, that is obsolete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).
+
+\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 some 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,
+near mesh boundary, which is beneficial for high quality viscous
+computations.
+
+\image html viscous_layers_hyp.png
+
+<ul>
+<li><b>Name</b> - allows to define the name of the hypothesis.</li>
+<li><b>Total thickness</b> - gives the total thickness of element layers.</li>
+<li><b>Number of layers</b> - defines the number of element layers.</li>
+<li><b>Stretch factor</b> - defines the growth factor of element height
+from the mesh boundary inwards.</li>
+<li><b>Faces (Edges) without layers</b> - defines geometrical faces
+  (or edges in 2D) on which element layers should not be
+  constructed. By default the element layers are not constructed on
+  geometrical faces shared by solids (and edges shared by faces in 2D). 
+  \note A mesh shown in the 3D Viewer can prevent selection of faces
+  and edges, in this case just hide the mesh. 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
+  preview chunk size" preference (in Preferences/Mesh/General tab).
+</li>
+</ul>
+
+\image html viscous_layers_mesh.png A group containing viscous layer prisms.
+
+<br><b>See also</b> a sample TUI script of a \ref tui_viscous_layers
+"Viscous layers construction".
+
 
-*/
\ No newline at end of file
+*/