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

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 110 </script>\r
 111 <h1>Basic meshing algorithms</h1>\r
 112 \r
 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, \r
 114  which are used for meshing entities (1D, 2D, 3D) composing geometrical \r
 115  objects. </p>\r
 116 \r
 117 <p>&nbsp;</p>\r
 118 \r
 119 <ul type="disc" class="whs2">\r
 120         \r
 121         <li class=kadov-p><p>For meshing of 1D entities (<span style="font-weight: bold;"><B>edges</B></span>):</p></li>\r
 122 </ul>\r
 123 \r
 124 <p>&nbsp;</p>\r
 125 \r
 126 <ul type="disc" class="whs2">\r
 127         \r
 128         <ul type="disc" class="whs2">\r
 129                 \r
 130                 <li style="list-style: circle;"\r
 131                         type=circle\r
 132                         class=kadov-p><p>Wire Discretization meshing algorithm</p></li>\r
 133         </ul>\r
 134 </ul>\r
 135 \r
 136 <p>&nbsp;</p>\r
 137 \r
 138 <ul type="disc" class="whs2">\r
 139         \r
 140         <li class=kadov-p><p>For meshing of 2D entities (<span style="font-weight: bold;"><B>faces</B></span>):</p></li>\r
 141 </ul>\r
 142 \r
 143 <p>&nbsp;</p>\r
 144 \r
 145 <ul type="disc" class="whs2">\r
 146         \r
 147         <ul type="circle" class="whs3">\r
 148                 \r
 149                 <li class=kadov-p><p>Triangle meshing algorithms (Mefisto and Netgen \r
 150  1D-2D ) - Faces are split into triangular elements.</p></li>\r
 151                 \r
 152                 <li class=kadov-p><p>Quadrangle meshing algorithm (Mapping) - Faces \r
 153  are split into quadrangular elements.</p></li>\r
 154         </ul>\r
 155 </ul>\r
 156 \r
 157 <p>&nbsp;</p>\r
 158 \r
 159 <table x-use-null-cells cellspacing="0" width="45.771%" class="whs4">\r
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 161 <col class="whs6">\r
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 165 <p class="whs9"><img src="../image123.gif" width="170px" height="170px" border="0" class="img_whs10"></td>\r
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 167 <p class="whs12"><img src="../image124.gif" width="182px" height="177px" border="0" class="img_whs13"></td></tr>\r
 168 </table>\r
 169 \r
 170 <p>&nbsp;</p>\r
 171 \r
 172 <p>&nbsp;</p>\r
 173 \r
 174 <ul type="disc" class="whs2">\r
 175         \r
 176         <li class=kadov-p><p>For meshing of 3D entities (<span style="font-weight: bold;"><B>volume \r
 177  objects</B></span>):</p></li>\r
 178 </ul>\r
 179 \r
 180 <p>&nbsp;</p>\r
 181 \r
 182 <ul type="disc" class="whs2">\r
 183         \r
 184         <ul type="circle" class="whs3">\r
 185                 \r
 186                 <li class=kadov-p><p>Hexahedron meshing algorithm (i,j,k) - Volumes \r
 187  are split into hexahedral (cubic) elements. </p></li>\r
 188                 \r
 189                 <li class=kadov-p><p>Tetrahedron (Netgen) meshing algorithm - Volumes \r
 190  are split into tetrahedral (pyramidal) elements. </p></li>\r
 191         </ul>\r
 192 </ul>\r
 193 \r
 194 <p>&nbsp;</p>\r
 195 \r
 196 <table x-use-null-cells cellspacing="0" width="30.595%" class="whs14">\r
 197 <col class="whs15">\r
 198 <col class="whs16">\r
 199 \r
 200 <tr valign="top" class="whs7">\r
 201 <td width="50.334%" class="whs17">\r
 202 <p><img src="../image125.gif" width="119px" height="299px" border="0" class="img_whs18"> </td>\r
 203 <td width="49.666%" class="whs19">\r
 204 <p><img src="../image126.gif" width="127px" height="298px" border="0" class="img_whs20"></td></tr>\r
 205 </table>\r
 206 \r
 207 <p>&nbsp;</p>\r
 208 \r
 209 <p>&nbsp;</p>\r
 210 \r
 211 <p>There also is a number of more specific algorithms: </p>\r
 212 \r
 213 <ul type="disc" class="whs2">\r
 214         \r
 215         <li class=kadov-p><p><a href="../projection_algorithms.htm">for meshing \r
 216  by projection of another mesh</a></p></li>\r
 217         \r
 218         <li class=kadov-p><p><a href="../radial_prism.htm">for meshing geometrical \r
 219  objects with cavities</a></p></li>\r
 220         \r
 221         <li class=kadov-p><p><a href="../prism_3d_algorithm.htm">for meshing \r
 222  prismatic shapes.</a> </p></li>\r
 223 </ul>\r
 224 \r
 225 <h4 class="whs21"><a href="constructing_meshes.htm">Constructing \r
 226  meshes</a> <span style="font-weight: normal;">page describes in detail \r
 227  how to apply meshing algorithms.</span><a href="constructing_meshes.htm" style="font-weight: bold;"> \r
 228  </a></h4>\r
 229 \r
 230 <p class="whs22"><span style="font-weight: bold;"><B>See Also</B></span> \r
 231  a sample TUI Script of a <a href="../defining_hypotheses_tui.htm#bookmark8">Define \r
 232  Meshing Algorithm</a> operation. &nbsp;</p>\r
 233 \r
 234 <p>&nbsp;</p>\r
 235 \r
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