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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 3.2 Final//FR"><!-- Converted with LaTeX2HTML 95.1 (Fri Jan 20 1995) --><!-- by Nikos Drakos (nikos@cbl.leeds.ac.uk), CBLU, University of Leeds --><!-- Modified Simulog 03/97 --><HTML><HEAD><TITLE>3.1 Introduction </TITLE><LINK REL=STYLESHEET TYPE="text/css" HREF="./Modulef.css" TITLE="Modulef CSS"><meta name="description" value="3.1 Introduction "><meta name="keywords" value="Guide3"><meta name="resource-type" value="document"><meta name="distribution" value="global"></HEAD><BODY BGCOLOR="#FFFFFF"><P> <IMG SRC="../icons/smallmod.gif" WIDTH=211 HEIGHT=50 ALIGN=BOTTOM ALT="Modulef"><A NAME=tex2html1389 HREF="node43.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/previous_motif.gif" ALT="previous"></A><A NAME=tex2html1395 HREF="node43.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/up_motif.gif" ALT="up"></A><A NAME=tex2html1397 HREF="node45.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/next_motif.gif" ALT="next"></A><A NAME=tex2html1399 HREF="node2.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/contents_motif.gif" ALT="contents"></A><A NAME=tex2html1400 HREF="node28.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/index_motif.gif" ALT="index"></A><A HREF="../Guide3-18/node44.html"><IMG BORDER=0 SRC="../icons/zoom18.gif" ALIGN=BOTTOM ALT="[BIG]"></A><A HREF="../Guide3-14/node44.html"><IMG BORDER=0 SRC="../icons/zoom14.gif" ALIGN=BOTTOM ALT="[Normal]"></A><A HREF="../Guide3-10/node44.html"><IMG BORDER=0 SRC="../icons/zoom10.gif" ALIGN=BOTTOM ALT="[small]"></A><BR><B> Next: </B> <A NAME=tex2html1398 HREF="node45.html">3.2 Multi-block method</A><B>Up: </B> <A NAME=tex2html1396 HREF="node43.html">3 Three-dimensional mesh generation (2)</A><B> Prev: </B> <A NAME=tex2html1390 HREF="node43.html">3 Three-dimensional mesh generation (2)</A><B><A HREF="node28.html" >Index</A></B><B><A HREF="node2.html" >Contents</A></B><HR SIZE=3 WIDTH="75%"><H1><A NAME=SECTION00610000000000000000>3.1 Introduction </A></H1><P>Three mesh generation methods are outlined in this chapter, specifying the manner in which the corresponding modules are called. In principle, all types of domains can be treated with thesemesh generators.In the general case, the multi-block method (module <b> COLIB2</b>) is used.For topologically cylindrical domains, the extrusion method (module <b> MA2D3E</b>) is appropriate.In the case of a hexahedral topology, a finite difference method (module <b> GEL3D1</b>) isemployed.<P>The above mesh generators are used in the following manner:<P><UL><LI> Multi-block method: Call the module (or its simplified versions), or utilize preprocessor <b> COLIXX</b> if there is little data, or call module <b> COLIBR</b> requiring data "cards" as input data; <LI> Extrusion method: Call preprocessor <b> MA23XX</b> or its simplified version <b> MA2DXX</b> orselect keyword <b> MA23</b> of module <b> APNOP3</b>;<LI> Finite difference method: Call the module.</UL><P>The mesh thus created can be introduced (keyword <b> INTR</b>) into the <b> APNOP3</b> environment for modification, renumbering, etc.<P><P><P><HR SIZE=3 WIDTH="75%"><IMG SRC="../icons/smallmod.gif" WIDTH=211 HEIGHT=50 ALIGN=BOTTOM ALT="Modulef"><A NAME=tex2html1389 HREF="node43.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/previous_motif.gif" ALT="previous"></A><A NAME=tex2html1395 HREF="node43.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/up_motif.gif" ALT="up"></A><A NAME=tex2html1397 HREF="node45.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/next_motif.gif" ALT="next"></A><A NAME=tex2html1399 HREF="node2.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/contents_motif.gif" ALT="contents"></A><A NAME=tex2html1400 HREF="node28.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/index_motif.gif" ALT="index"></A><A HREF="../Guide3-18/node44.html"><IMG BORDER=0 SRC="../icons/zoom18.gif" ALIGN=BOTTOM ALT="[BIG]"></A><A HREF="../Guide3-14/node44.html"><IMG BORDER=0 SRC="../icons/zoom14.gif" ALIGN=BOTTOM ALT="[Normal]"></A><A HREF="../Guide3-10/node44.html"><IMG BORDER=0 SRC="../icons/zoom10.gif" ALIGN=BOTTOM ALT="[small]"></A><BR><B> Next: </B> <A NAME=tex2html1398 HREF="node45.html">3.2 Multi-block method</A><B>Up: </B> <A NAME=tex2html1396 HREF="node43.html">3 Three-dimensional mesh generation (2)</A><B> Prev: </B> <A NAME=tex2html1390 HREF="node43.html">3 Three-dimensional mesh generation (2)</A><B><A HREF="node28.html" >Index</A></B><B><A HREF="node2.html" >Contents</A></B><BR> <HR><P><ADDRESS></ADDRESS></BODY></HTML>⌨️ 快捷键说明
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