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