doc/salome/gui/SMESH/files/about_hypotheses.htm

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 115 </script>\r
 116 <h1>About hypotheses</h1>\r
 117 \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
 127 \r
 128 <p>&nbsp;</p>\r
 129 \r
 130 <ul type="disc" class="whs2">\r
 131         \r
 132         <li style="list-style: circle;"\r
 133                 type=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
 136         \r
 137         <ul type="disc" class="whs2">\r
 138                 \r
 139                 <li class=kadov-p><p class="whs3"><a href="arithmetic_1d.htm">Arithmetic 1D</a></p></li>\r
 140                 \r
 141                 <li class=kadov-p><p class="whs3"><a href="local_length_hypothesis.htm">Average Length</a></p></li>\r
 142                 \r
 143                 <li class=kadov-p><p class="whs3"><a href="deflection_1d.htm">Deflection 1D</a> </p></li>\r
 144                 \r
 145                 <li class=kadov-p><p class="whs3"><a href="number_of_segments_hypothesis.htm">Number of segments</a></p></li>\r
 146                 \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
 149                 \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
 151         </ul>\r
 152         \r
 153         <li style="list-style: circle;"\r
 154                 type=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
 157 </ul>\r
 158 \r
 159 <ul type="disc" class="whs2">\r
 160         \r
 161         <ul type="disc" class="whs2">\r
 162                 \r
 163                 <li class=kadov-p><p class="whs3"><a href="length_from_edges.htm">Length from edges</a></p></li>\r
 164                 \r
 165                 <li class=kadov-p><p class="whs3"><a href="max._element_area_hypothesis.htm">Max Element Area</a></p></li>\r
 166                 \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
 168         </ul>\r
 169 </ul>\r
 170 \r
 171 <ul type="disc" class="whs2">\r
 172         \r
 173         <li style="list-style: circle;"\r
 174                 type=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
 177         \r
 178         <ul type="disc" class="whs2">\r
 179                 \r
 180                 <li class=kadov-p><p><a href="max._element_volume_hypothsis.htm">Max \r
 181  Element Volume</a> &nbsp;</p></li>\r
 182         </ul>\r
 183 </ul>\r
 184 \r
 185 <p>&nbsp;</p>\r
 186 \r
 187 <p>&nbsp;</p>\r
 188 \r
 189 <p>The choice of a hypothesis depends on:</p>\r
 190 \r
 191 <p>&nbsp;</p>\r
 192 \r
 193 <ul type="disc" class="whs2">\r
 194         \r
 195         <li class=kadov-p><p>the geometrical object (shape) which will be meshed</p></li>\r
 196         \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
 199 </ul>\r
 200 \r
 201 <p>&nbsp;</p>\r
 202 \r
 203 <p class="whs4">To create a hypothesis \r
 204  </p>\r
 205 \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
 207         font-size: 12pt;\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  &gt; </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
 210 \r
 211 <p>The following menu will appear:</p>\r
 212 \r
 213 <p>&nbsp;</p>\r
 214 \r
 215 <p><img src="../image21.jpg" width="448px" height="367px" border="0" class="img_whs6"></p>\r
 216 \r
 217 <p>&nbsp;</p>\r
 218 \r
 219 <p>Select one of the menu items and click <span style="font-weight: bold;"><B>Create</B></span>.</p>\r
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