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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 \page convert_to_from_quadratic_mesh_page Convert to/from Quadratic Mesh
\n This functionality allows transforming standard meshes (or \n This functionality allows transforming linear meshes (or
sub-meshes) to quadratic and vice versa. sub-meshes) to quadratic (or bi-quadratic) and vice versa.
See \ref adding_quadratic_elements_page "Adding quadratic elements" See \ref adding_quadratic_elements_page "Adding quadratic elements"
for more information about quadratic meshes. for more information about quadratic meshes.
Note that conversion of a sub-mesh most probably will Note that conversion of a sub-mesh most probably will
produce a non-conformal mesh. Elements on the boundary between 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> <em>To produce a conversion:</em>
<ol> <ol>
@ -29,18 +30,18 @@ The following dialog box will appear:
<li>In this dialog box specify: <li>In this dialog box specify:
<ul> <ul>
<li>if it is necessary to convert a standard mesh to quadratic or a quadratic <li>If it is necessary to convert a linear mesh to quadratic or a quadratic
mesh to standard. Note that the choice is available only if the selected mesh 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 (or sub-mesh) contains both quadratic and linear elements, else the
direction of conversion is selected automatically.</li> 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 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> quadratic provided that the mesh is based on a geometry (not imported from file).</li>
</ul> </ul>
\image html image156.gif \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 \image html image155.gif
<center>Quadratic mesh</center> <center>Quadratic mesh</center>