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

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 110 </script>
 111 <h1>Basic meshing algorithms</h1>
 112
 113 <p><img src="../i_blue.jpg" x-maintain-ratio="TRUE" width="30px" height="30px" border="0" class="img_whs1"> The MESH module contains a set of meshing algorithms,
 114  which are used for meshing entities (1D, 2D, 3D) composing geometrical
 115  objects. </p>
 116
 117 <p>&nbsp;</p>
 118
 119 <ul type="disc" class="whs2">
 120
 121         <li class=kadov-p><p>For meshing of 1D entities (<span style="font-weight: bold;"><B>edges</B></span>):</p></li>
 122 </ul>
 123
 124 <p>&nbsp;</p>
 125
 126 <ul type="disc" class="whs2">
 127
 128         <ul type="disc" class="whs2">
 129
 130                 <li style="list-style: circle;"
 131                         type=circle
 132                         class=kadov-p><p>Wire Discretization meshing algorithm</p></li>
 133         </ul>
 134 </ul>
 135
 136 <p>&nbsp;</p>
 137
 138 <ul type="disc" class="whs2">
 139
 140         <li class=kadov-p><p>For meshing of 2D entities (<span style="font-weight: bold;"><B>faces</B></span>):</p></li>
 141 </ul>
 142
 143 <p>&nbsp;</p>
 144
 145 <ul type="disc" class="whs2">
 146
 147         <ul type="circle" class="whs3">
 148
 149                 <li class=kadov-p><p>Triangle meshing algorithms (Mefisto and Netgen
 150  1D-2D ) - Faces are split into triangular elements.</p></li>
 151
 152                 <li class=kadov-p><p>Quadrangle meshing algorithm (Mapping) - Faces
 153  are split into quadrangular elements.</p></li>
 154         </ul>
 155 </ul>
 156
 157 <p>&nbsp;</p>
 158
 159 <table x-use-null-cells cellspacing="0" width="45.771%" class="whs4">
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 165 <p class="whs9"><img src="../image123.gif" width="170px" height="170px" border="0" class="img_whs10"></td>
 166 <td width="57.174%" class="whs11">
 167 <p class="whs12"><img src="../image124.gif" width="182px" height="177px" border="0" class="img_whs13"></td></tr>
 168 </table>
 169
 170 <p>&nbsp;</p>
 171
 172 <p>&nbsp;</p>
 173
 174 <ul type="disc" class="whs2">
 175
 176         <li class=kadov-p><p>For meshing of 3D entities (<span style="font-weight: bold;"><B>volume
 177  objects</B></span>):</p></li>
 178 </ul>
 179
 180 <p>&nbsp;</p>
 181
 182 <ul type="disc" class="whs2">
 183
 184         <ul type="circle" class="whs3">
 185
 186                 <li class=kadov-p><p>Hexahedron meshing algorithm (i,j,k) - Volumes
 187  are split into hexahedral (cubic) elements. </p></li>
 188
 189                 <li class=kadov-p><p>Tetrahedron (Netgen) meshing algorithm - Volumes
 190  are split into tetrahedral (pyramidal) elements. </p></li>
 191         </ul>
 192 </ul>
 193
 194 <p>&nbsp;</p>
 195
 196 <table x-use-null-cells cellspacing="0" width="30.595%" class="whs14">
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 204 <p><img src="../image126.gif" width="127px" height="298px" border="0" class="img_whs20"></td></tr>
 205 </table>
 206
 207 <p>&nbsp;</p>
 208
 209 <p>&nbsp;</p>
 210
 211 <p>There also is a number of more specific algorithms: </p>
 212
 213 <ul type="disc" class="whs2">
 214
 215         <li class=kadov-p><p><a href="../projection_algorithms.htm">for meshing
 216  by projection of another mesh</a></p></li>
 217
 218         <li class=kadov-p><p><a href="../radial_prism.htm">for meshing geometrical
 219  objects with cavities</a></p></li>
 220
 221         <li class=kadov-p><p><a href="../prism_3d_algorithm.htm">for meshing
 222  prismatic shapes.</a> </p></li>
 223 </ul>
 224
 225 <h4 class="whs21"><a href="constructing_meshes.htm">Constructing
 226  meshes</a> <span style="font-weight: normal;">page describes in detail
 227  how to apply meshing algorithms.</span><a href="constructing_meshes.htm" style="font-weight: bold;">
 228  </a></h4>
 229
 230 <p class="whs22"><span style="font-weight: bold;"><B>See Also</B></span>
 231  a sample TUI Script of a <a href="../defining_hypotheses_tui.htm#bookmark8">Define
 232  Meshing Algorithm</a> operation. &nbsp;</p>
 233
 234 <p>&nbsp;</p>
 235
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