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Update Mesh documentation, because of one page was missing in CVS.
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doc/salome/gui/SMESH/netgen_2d_and_3d_hypotheses.htm
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doc/salome/gui/SMESH/netgen_2d_and_3d_hypotheses.htm
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<!doctype HTML public "-//W3C//DTD HTML 4.0 Frameset//EN">
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<html>
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<head>
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<title>Netgen 2D and 3D hypotheses</title>
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</script>
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<h1>Netgen 2D and 3D hypotheses</h1>
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<p class="whs1"><span style="font-weight: bold;"><B><img src="i_blue.jpg" x-maintain-ratio="TRUE" width="30px" height="30px" border="0" class="img_whs2"> Netgen 2D</B></span> and <span style="font-weight: bold;"><B>Netgen</B></span>
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<span style="font-weight: bold;"><B>3D</B></span> hypotheses work only with <span
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style="font-weight: bold;"><B>Netgen 1D-2D</B></span> and <span style="font-weight: bold;"><B>Netgen</B></span>
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<span style="font-weight: bold;"><B>1D-2D-3D </B></span>algorithms. These algorithms
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do not require definition of lower-level hypotheses
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and algorithms (2D and 1D for meshing 3D objects and 1D for meshing 2D
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objects). They prove to be useful if lower-level meshing is homogeneous
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for all wires and faces of the meshed object.</p>
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<p class="whs3"><img src="pics/netgen2d.png" x-maintain-ratio="TRUE" width="365px" height="353px" border="0" class="img_whs4"></p>
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<ul type="disc" class="whs5">
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<li class=kadov-p><p class="whs6"><span style="font-weight: bold;"><B>Name</B></span>
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- allows to define the name for the algorithm (Netgen 2D (or 3D) Parameters
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by default)</p></li>
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<li class=kadov-p><p class="whs6"><span style="font-weight: bold;"><B>Max
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Size</B></span> - maximum linear dimensions for mesh cells.</p></li>
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<li class=kadov-p><p class="whs6"><span style="font-weight: bold;"><B>Second
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Order</B></span> - if this box is checked in, the algorithm will create second
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order nodes on the mesh, which actually will become <a href="adding_quadratic_nodes_and_elements.htm">Quadratic</a>.
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</p></li>
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<li class=kadov-p><p class="whs6"><span style="font-weight: bold;"><B>Fineness</B></span>
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- ranging from Very Coarse to Very Fine allows to set the level of meshing
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detalization using the three parameters below. You can select Custom to
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define them manually.</p></li>
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<li class=kadov-p><p class="whs6"><span style="font-weight: bold;"><B>Growth
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rate</B></span> - allows to define how much the linear dimensions of two adjacent
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cells can differ (i.e. 0.3 means 30%).</p></li>
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<li class=kadov-p><p class="whs6"><span style="font-weight: bold;"><B>Nb.
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Segs per Edge</B></span> and<span style="font-weight: bold;"><B> Nb Segs per
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Radius</B></span> - allows to define the minimum number of mesh segments in
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which edges and radiuses will be split. </p></li>
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<li class=kadov-p><p class="whs6"><span style="font-weight: bold;"><B>Allow
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Quadrangles</B></span> - allows to use quadrangle elements in a triangle 2D
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mesh. This checkbox is not present in Netgen 3D parameters because currently
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building a tetrahedral mesh with quadrangle faces is not possible.</p></li>
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<li class=kadov-p><p class="whs6"><span style="font-weight: bold;"><B>Optimize</B></span>
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- if this box is checked in, the algorithm will try to create regular
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(possessing even sides) elements.</p></li>
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</ul>
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<script type="text/javascript" language="javascript1.2">
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</body>
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</html>
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doc/salome/gui/SMESH/pics/netgen2d.png
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doc/salome/gui/SMESH/pics/netgen2d.png
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