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0021859: EDF 2191 SMESH : Add conversion from QUAD8 to QUAD9 and from HEXA20 to HEXA27

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eap 2013-03-04 10:13:46 +00:00
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doc/salome/gui/SMESH/input/convert_to_from_quadratic_mesh.doc
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@ -2,13 +2,14 @@
\page convert_to_from_quadratic_mesh_page Convert to/from Quadratic Mesh
\n This functionality allows transforming standard meshes (or
sub-meshes) to quadratic and vice versa.
\n This functionality allows transforming linear meshes (or
sub-meshes) to quadratic (or bi-quadratic) and vice versa.
See \ref adding_quadratic_elements_page "Adding quadratic elements"
for more information about quadratic meshes.
Note that conversion of a sub-mesh most probably will
produce a non-conformal mesh. Elements on the boundary between
quadratic and linear sub-meshes become (or remain) quadratic.
quadratic (or bi-quadratic) and linear sub-meshes become (or remain)
quadratic (or bi-quadratic).
<em>To produce a conversion:</em>
<ol>
@ -29,18 +30,18 @@ The following dialog box will appear:
<li>In this dialog box specify:
<ul>
<li>if it is necessary to convert a standard mesh to quadratic or a quadratic
mesh to standard. Note that the choice is available only if the selected mesh
<li>If it is necessary to convert a linear mesh to quadratic or a quadratic
mesh to linear. Note that the choice is available only if the selected mesh
(or sub-mesh) contains both quadratic and linear elements, else the
direction of conversion is selected automatically.</li>
<li>if it is necessary to place medium nodes of the quadratic mesh on the
<li>If it is necessary to place medium nodes of the quadratic mesh on the
geometry (meshed object). This option is relevant for conversion to
quadratic provided that the mesh is based on a geometry (not imported from file).</li>
</ul>
\image html image156.gif
<center>Standard mesh (coarse mesh on a torus)</center>
<center>Linear mesh (coarse mesh on a torus)</center>
\image html image155.gif
<center>Quadratic mesh</center>