--- /dev/null
+<!doctype HTML public "-//W3C//DTD HTML 4.0 Frameset//EN">\r
+\r
+<html>\r
+\r
+<head>\r
+<title>Netgen 2D and 3D hypotheses</title>\r
+<meta http-equiv="content-type" content="text/html; charset=windows-1252">\r
+<meta name="generator" content="RoboHelp by eHelp Corporation www.ehelp.com"><style type="text/css">\r
+<!--\r
+p.whs1 { margin-left:0px; }\r
+img_whs2 { border:none; width:30px; height:30px; float:none; border-style:none; }\r
+p.whs3 { margin-left:40px; }\r
+img_whs4 { border:none; width:365px; height:353px; float:none; border-style:none; }\r
+ul.whs5 { list-style:disc; }\r
+p.whs6 { margin-left:40px; margin-top:0px; margin-bottom:0px; }\r
+-->\r
+</style><script type="text/javascript" language="JavaScript">\r
+<!--\r
+if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) == 4))\r
+{\r
+ var strNSS = "<style type='text/css'>";\r
+ strNSS += "p.whs1 {margin-left:1pt; }";\r
+ strNSS += "p.whs6 {margin-top:1pt;margin-bottom:1pt; }";\r
+ strNSS +="</style>";\r
+ document.write(strNSS);\r
+}\r
+//-->\r
+</script>\r
+<script type="text/javascript" language="JavaScript" title="WebHelpInlineScript">\r
+<!--\r
+function reDo() {\r
+ if (innerWidth != origWidth || innerHeight != origHeight)\r
+ location.reload();\r
+}\r
+if ((parseInt(navigator.appVersion) == 4) && (navigator.appName == "Netscape")) {\r
+ origWidth = innerWidth;\r
+ origHeight = innerHeight;\r
+ onresize = reDo;\r
+}\r
+onerror = null; \r
+//-->\r
+</script>\r
+<style type="text/css">\r
+<!--\r
+div.WebHelpPopupMenu { position:absolute; left:0px; top:0px; z-index:4; visibility:hidden; }\r
+p.WebHelpNavBar { text-align:right; }\r
+-->\r
+</style><script type="text/javascript" language="javascript1.2" src="whmsg.js"></script>\r
+<script type="text/javascript" language="javascript" src="whver.js"></script>\r
+<script type="text/javascript" language="javascript1.2" src="whproxy.js"></script>\r
+<script type="text/javascript" language="javascript1.2" src="whutils.js"></script>\r
+<script type="text/javascript" language="javascript1.2" src="whtopic.js"></script>\r
+<script type="text/javascript" language="javascript1.2">\r
+<!--\r
+if (window.gbWhTopic)\r
+{\r
+ if (window.setRelStartPage)\r
+ {\r
+ addTocInfo("MESH module\nCreating meshes\nDefining hypotheses\nNetgen 2D and 3D hypotheses");\r
+addButton("show",BTN_IMG,"Show","","","","",0,0,"whd_show0.gif","whd_show2.gif","whd_show1.gif");\r
+addButton("hide",BTN_IMG,"Hide","","","","",0,0,"whd_hide0.gif","whd_hide2.gif","whd_hide1.gif");\r
+\r
+ }\r
+\r
+\r
+ if (window.setRelStartPage)\r
+ {\r
+ setRelStartPage("index.htm");\r
+\r
+ autoSync(1);\r
+ sendSyncInfo();\r
+ sendAveInfoOut();\r
+ }\r
+\r
+}\r
+else\r
+ if (window.gbIE4)\r
+ document.location.reload();\r
+//-->\r
+</script>\r
+</head>\r
+<body><script type="text/javascript" language="javascript1.2">\r
+<!--\r
+if (window.writeIntopicBar)\r
+ writeIntopicBar(4);\r
+//-->\r
+</script>\r
+<h1>Netgen 2D and 3D hypotheses</h1>\r
+\r
+<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> \r
+ <span style="font-weight: bold;"><B>3D</B></span> hypotheses work only with <span \r
+ style="font-weight: bold;"><B>Netgen 1D-2D</B></span> and <span style="font-weight: bold;"><B>Netgen</B></span> \r
+ <span style="font-weight: bold;"><B>1D-2D-3D </B></span>algorithms. These algorithms \r
+ do not require definition of lower-level hypotheses \r
+ and algorithms (2D and 1D for meshing 3D objects and 1D for meshing 2D \r
+ objects). They prove to be useful if lower-level meshing is homogeneous \r
+ for all wires and faces of the meshed object.</p>\r
+\r
+<p class="whs3"><img src="pics/netgen2d.png" x-maintain-ratio="TRUE" width="365px" height="353px" border="0" class="img_whs4"></p>\r
+\r
+<ul type="disc" class="whs5">\r
+ \r
+ <li class=kadov-p><p class="whs6"><span style="font-weight: bold;"><B>Name</B></span> \r
+ - allows to define the name for the algorithm (Netgen 2D (or 3D) Parameters \r
+ by default)</p></li>\r
+ \r
+ <li class=kadov-p><p class="whs6"><span style="font-weight: bold;"><B>Max \r
+ Size</B></span> - maximum linear dimensions for mesh cells.</p></li>\r
+ \r
+ <li class=kadov-p><p class="whs6"><span style="font-weight: bold;"><B>Second \r
+ Order</B></span> - if this box is checked in, the algorithm will create second \r
+ order nodes on the mesh, which actually will become <a href="adding_quadratic_nodes_and_elements.htm">Quadratic</a>. \r
+ </p></li>\r
+ \r
+ <li class=kadov-p><p class="whs6"><span style="font-weight: bold;"><B>Fineness</B></span> \r
+ - ranging from Very Coarse to Very Fine allows to set the level of meshing \r
+ detalization using the three parameters below. You can select Custom to \r
+ define them manually.</p></li>\r
+ \r
+ <li class=kadov-p><p class="whs6"><span style="font-weight: bold;"><B>Growth \r
+ rate</B></span> - allows to define how much the linear dimensions of two adjacent \r
+ cells can differ (i.e. 0.3 means 30%).</p></li>\r
+ \r
+ <li class=kadov-p><p class="whs6"><span style="font-weight: bold;"><B>Nb. \r
+ Segs per Edge</B></span> and<span style="font-weight: bold;"><B> Nb Segs per \r
+ Radius</B></span> - allows to define the minimum number of mesh segments in \r
+ which edges and radiuses will be split. </p></li>\r
+ \r
+ <li class=kadov-p><p class="whs6"><span style="font-weight: bold;"><B>Allow \r
+ Quadrangles</B></span> - allows to use quadrangle elements in a triangle 2D \r
+ mesh. This checkbox is not present in Netgen 3D parameters because currently \r
+ building a tetrahedral mesh with quadrangle faces is not possible.</p></li>\r
+ \r
+ <li class=kadov-p><p class="whs6"><span style="font-weight: bold;"><B>Optimize</B></span> \r
+ - if this box is checked in, the algorithm will try to create regular \r
+ (possessing even sides) elements.</p></li>\r
+</ul>\r
+\r
+<script type="text/javascript" language="javascript1.2">\r
+<!--\r
+if (window.writeIntopicBar)\r
+ writeIntopicBar(0);\r
+//-->\r
+</script>\r
+</body>\r
+</html>\r
