X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=doc%2Fsalome%2Fgui%2FSMESH%2Finput%2Fabout_meshes.doc;h=be900bc1decb309399b3aa196b3631197ef327fc;hb=9d296302bce45a19ce73bcb52e86884ba38f1199;hp=621a47e990cd5cb5febd22133da91b94cdafbd3d;hpb=5482b99d07dd144fd5be299e722f39a81de3b5be;p=modules%2Fsmesh.git
diff --git a/doc/salome/gui/SMESH/input/about_meshes.doc b/doc/salome/gui/SMESH/input/about_meshes.doc
index 621a47e99..be900bc1d 100644
--- a/doc/salome/gui/SMESH/input/about_meshes.doc
+++ b/doc/salome/gui/SMESH/input/about_meshes.doc
@@ -3,8 +3,7 @@
\page about_meshes_page About meshes
\n \b MESH represents a discrete approximation of a subset of the
-three-dimensional space by \ref mesh_entities "elementary geometrical
-elements".
+three-dimensional space by \ref mesh_entities "elementary geometrical elements".
A SALOME study can contain multiple meshes, but they do not
implicitly compose one super-mesh, and finally each of them
@@ -35,19 +34,19 @@ Mesh module provides several ways to create the mesh:
Bottom-up way, using \ref modifying_meshes_page "mesh modification"
operations, especially \ref extrusion_page "extrusion" and \ref
- revolution_page "revolution". To create an empty mesh not based on a
+ revolution_page "revolution". To create an empty mesh not based on
geometry, use the same dialog as to \ref constructing_meshes_page
- "construct the mesh on geometry" but do not specify a geometry
- or a meshing algorithm.
+ "construct the mesh on geometry" but specify neither the geometry
+ nor meshing algorithms.
The mesh can be \subpage importing_exporting_meshes_page "imported" from
(and exported to) the file in MED, UNV, STL, CGNS, DAT, GMF and
SAUVE formats.
- The 3D mesh can be generated from the 2D mesh, which was \ref
- importing_exporting_meshes_page "imported" or manually created. To
- setup the meshing parameters of a mesh not based on a geometry, just
- invoke \ref editing_meshes_page "Edit mesh / sub-mesh" command on
+ The 3D mesh can be generated from the 2D mesh not based on geometry,
+ which was either \ref importing_exporting_meshes_page "imported" or created in
+ other way. To setup the meshing parameters of a mesh not based on geometry,
+ just invoke \ref editing_meshes_page "Edit mesh / sub-mesh" command on
your 2D mesh.
Several meshes can be \subpage building_compounds_page "combined"
@@ -72,10 +71,9 @@ Attractive meshing capabilities include:
The \b structure of a SALOME mesh is described by nodes and elements based on
these nodes. The geometry of an element is defined by the sequence of
-nodes constituting it and
-the
- connectivity convention (adopted from MED library). Definition of
-the element basing on the elements of a lower dimension is NOT supported.
+nodes constituting it and the \ref connectivity_page "connectivity convention"
+(adopted from MED library). Definition of the element basing on the elements
+of a lower dimension is NOT supported.
\anchor mesh_entities
The mesh can include the following entities:
@@ -89,8 +87,8 @@ The mesh can include the following entities:
\b Volume — 3D mesh element representing a part of 3D
space bound by volume facets. Nodes of a volume describing each
facet are defined by
- the
- MED connectivity convention. A volume can be a tetrahedron, hexahedron,
+ the \subpage connectivity_page "connectivity convention".
+ A volume can be a tetrahedron, hexahedron,
pentahedron, pyramid, hexagonal prism or polyhedron.
\b 0D element — mesh element defined by one node.
\b Ball element — discrete mesh element defined by a
@@ -100,7 +98,8 @@ The mesh can include the following entities:
Every mesh entity has an attribute associating it to a sub-shape it is
generated on (if any). The node generated on the geometrical edge or
surface in addition stores its position in parametric space of the
-associated geometrical entity.
+associated geometrical entity. This attribute is set up by meshing
+algorithms generating elements and nodes.
Mesh entities are identified by integer IDs starting from 1.
Nodes and elements are counted separately, i.e. there can be a node