1 <!doctype HTML public "-//W3C//DTD HTML 4.0 Frameset//EN">
\r
5 <!--(==============================================================)-->
\r
6 <!--(Document created with RoboEditor. )============================-->
\r
7 <!--(==============================================================)-->
\r
11 <title>About hypotheses</title>
\r
13 <!--(Meta)==========================================================-->
\r
15 <meta http-equiv=content-type content="text/html; charset=windows-1252">
\r
16 <meta name=generator content="RoboHELP by eHelp Corporation - www.ehelp.com">
\r
17 <meta name=generator-major-version content=0.1>
\r
18 <meta name=generator-minor-version content=1>
\r
19 <meta name=filetype content=kadov>
\r
20 <meta name=filetype-version content=1>
\r
21 <meta name=page-count content=1>
\r
22 <meta name=layout-height content=1162>
\r
23 <meta name=layout-width content=473>
\r
26 <!--(Links)=========================================================-->
\r
28 <link rel='stylesheet' href='../default_ns.css'>
\r
29 <script type="text/javascript" language="JavaScript" title="WebHelpSplitCss">
\r
31 if (navigator.appName !="Netscape")
\r
32 { document.write("<link rel='stylesheet' href='../default.css'>");}
\r
35 <style type="text/css">
\r
37 img_whs1 {border-style: none; border: none; width: 30px; height: 30px; float: none;}
\r
38 ul.whs2 {list-style: disc;}
\r
39 p.whs3 {background-color: Transparent; color: #000000;}
\r
40 p.whs4 {font-style: italic; font-size: 12pt; font-family: 'Arial Black', sans-serif;}
\r
41 img_whs5 {border-style: none; border: none; width: 22px; height: 22px;}
\r
42 img_whs6 {border-style: none; border: none; width: 448px; height: 367px;}
\r
45 <script type="text/javascript" language="JavaScript">
\r
47 if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) == 4))
\r
49 var strNSS = "<style type='text/css'>";
\r
50 strNSS += "p.whs3 {background-color:white; }";
\r
51 strNSS +="</style>";
\r
52 document.write(strNSS);
\r
56 <script type="text/javascript" language="JavaScript" title="WebHelpInlineScript">
\r
59 if (innerWidth != origWidth || innerHeight != origHeight)
\r
62 if ((parseInt(navigator.appVersion) == 4) && (navigator.appName == "Netscape")) {
\r
63 origWidth = innerWidth;
\r
64 origHeight = innerHeight;
\r
70 <style type="text/css">
\r
72 div.WebHelpPopupMenu {position:absolute; left:0px; top:0px; z-index:4; visibility:hidden;}
\r
75 <script type="text/javascript" language="javascript1.2" src="../whmsg.js"></script>
\r
76 <script type="text/javascript" language="javascript" src="../whver.js"></script>
\r
77 <script type="text/javascript" language="javascript1.2" src="../whproxy.js"></script>
\r
78 <script type="text/javascript" language="javascript1.2" src="../whutils.js"></script>
\r
79 <script type="text/javascript" language="javascript1.2" src="../whtopic.js"></script>
\r
82 <!--(Body)==========================================================-->
\r
85 <body page-style ="x-size: Letter;">
\r
87 <script type="text/javascript" language="javascript1.2">
\r
89 if (window.gbWhTopic)
\r
91 if (window.addTocInfo)
\r
93 addTocInfo("SMESH module\nCreating meshes\nDefining hypotheses\nAbout hypotheses");
\r
94 addButton("show",BTN_TEXT,"Show","","","","",0,0,"","","");
\r
97 if (window.writeBtnStyle)
\r
100 if (window.writeIntopicBar)
\r
101 writeIntopicBar(1);
\r
103 if (window.setRelStartPage)
\r
105 setRelStartPage("../smesh.htm");
\r
113 document.location.reload();
\r
116 <h1>About hypotheses</h1>
\r
118 <p><img src="../i_blue.jpg" x-maintain-ratio="TRUE" width="30px" height="30px" border="0" class="img_whs1"> <span style="font-weight: bold;"><B>Hypotheses</B></span> represent
\r
119 boundary conditions which will be taken into account at calculations of
\r
120 meshes or submeshes basing on geometrical objects. These hypotheses allow
\r
121 you to manage the level of detail of the resulting meshes or submeshes:
\r
122 when applying different hypotheses with different parameters you can preset
\r
123 the quantity of meshing elements which will compose your mesh. So, it
\r
124 will be possible to generate a rough or a more refined mesh or submesh.
\r
125 In <span style="font-weight: bold;"><B>SMESH </B></span>there are the following
\r
126 basic hypotheses:</p>
\r
130 <ul type="disc" class="whs2">
\r
132 <li style="list-style: circle;"
\r
134 class=kadov-p><p class="whs3">For
\r
135 meshing of <span style="font-weight: bold;"><B>edges</B></span>:</p></li>
\r
137 <ul type="disc" class="whs2">
\r
139 <li class=kadov-p><p class="whs3"><a href="arithmetic_1d.htm">Arithmetic 1D</a></p></li>
\r
141 <li class=kadov-p><p class="whs3"><a href="local_length_hypothesis.htm">Average Length</a></p></li>
\r
143 <li class=kadov-p><p class="whs3"><a href="deflection_1d.htm">Deflection 1D</a> </p></li>
\r
145 <li class=kadov-p><p class="whs3"><a href="number_of_segments_hypothesis.htm">Number of segments</a></p></li>
\r
147 <li class=kadov-p><p class="whs3"><a href="propagation_of_1d_hypothesis_on_opposite_edges.htm">Propagation
\r
148 of 1D Hypothesis on opposite edges</a></p></li>
\r
150 <li class=kadov-p><p class="whs3"><a href="start_and_end_length_hypothesis.htm">Start and end length</a></p></li>
\r
153 <li style="list-style: circle;"
\r
155 class=kadov-p><p class="whs3">For
\r
156 meshing of <span style="font-weight: bold;"><B>faces</B></span>: </p></li>
\r
159 <ul type="disc" class="whs2">
\r
161 <ul type="disc" class="whs2">
\r
163 <li class=kadov-p><p class="whs3"><a href="length_from_edges.htm">Length from edges</a></p></li>
\r
165 <li class=kadov-p><p class="whs3"><a href="max._element_area_hypothesis.htm">Max Element Area</a></p></li>
\r
167 <li class=kadov-p><p class="whs3"><a href="non_conform_mesh_allowed_hypothesis.htm">Non conform mesh allowed</a></p></li>
\r
171 <ul type="disc" class="whs2">
\r
173 <li style="list-style: circle;"
\r
175 class=kadov-p><p class="whs3">For
\r
176 meshing of <span style="font-weight: bold;"><B>volumes</B></span>: </p></li>
\r
178 <ul type="disc" class="whs2">
\r
180 <li class=kadov-p><p><a href="max._element_volume_hypothsis.htm">Max
\r
181 Element Volume</a> </p></li>
\r
189 <p>The choice of a hypothesis depends on:</p>
\r
193 <ul type="disc" class="whs2">
\r
195 <li class=kadov-p><p>the geometrical object (shape) which will be meshed</p></li>
\r
197 <li class=kadov-p><p>the algorithm, which will be selected for meshing
\r
198 of this geometrical object (shape)</p></li>
\r
203 <p class="whs4">To create a hypothesis
\r
206 <p><span style="font-size: 12pt;"><font size=3 style="font-size:12pt;">In the main menu select</font></span><span style="font-style: italic;
\r
208 font-family: 'Arial Black', sans-serif;"> <font size=3 style="font-size:12pt;"><I></I></font></span><span style="font-weight: bold;"><B>Hypotheses
\r
209 > </B></span><img src="../image7.gif" width="22px" height="22px" border="0" class="img_whs5"> <span style="font-weight: bold;"><B>Create hypotheses</B></span></p>
\r
211 <p>The following menu will appear:</p>
\r
215 <p><img src="../image21.jpg" width="448px" height="367px" border="0" class="img_whs6"></p>
\r
219 <p>Select one of the menu items and click <span style="font-weight: bold;"><B>Create</B></span>.</p>
\r
221 <script type="text/javascript" language="javascript1.2">
\r
223 if (window.writeIntopicBar)
\r
224 writeIntopicBar(0);
\r