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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> Introduction</TITLE><LINK REL=STYLESHEET TYPE="text/css" HREF="./Modulef.css" TITLE="Modulef CSS"><meta name="description" value=" Introduction"><meta name="keywords" value="Guide2"><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=tex2html869 HREF="node35.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/previous_motif.gif" ALT="previous"></A><A NAME=tex2html875 HREF="node35.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/up_motif.gif" ALT="up"></A><A NAME=tex2html877 HREF="node37.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/next_motif.gif" ALT="next"></A><A NAME=tex2html879 HREF="node2.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/contents_motif.gif" ALT="contents"></A><A NAME=tex2html880 HREF="node58.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/index_motif.gif" ALT="index"></A><A HREF="../Guide2-18/node36.html"><IMG BORDER=0 SRC="../icons/zoom18.gif" ALIGN=BOTTOM ALT="[BIG]"></A><A HREF="../Guide2-14/node36.html"><IMG BORDER=0 SRC="../icons/zoom14.gif" ALIGN=BOTTOM ALT="[Normal]"></A><A HREF="../Guide2-10/node36.html"><IMG BORDER=0 SRC="../icons/zoom10.gif" ALIGN=BOTTOM ALT="[small]"></A><BR><B> Next: </B> <A NAME=tex2html878 HREF="node37.html">1.1 DS AMAT</A><B>Up: </B> <A NAME=tex2html876 HREF="node35.html">1 Description of DS by type</A><B> Prev: </B> <A NAME=tex2html870 HREF="node35.html">1 Description of DS by type</A><B><A HREF="node58.html" >Index</A></B><B><A HREF="node2.html" >Contents</A></B><HR SIZE=3 WIDTH="75%"><H1><A NAME=SECTION05110000000000000000> Introduction</A></H1><P>This part of the user guide describes the contents of the DS and the tools associated with them.(creation and manipulation).<P>The following types of DS are described:<P><DL COMPACT><DT><b> AMAT :</b><DD> assembled matrix - compact storage,<DT><b> ATRI :</b><DD> full upper-triangular matrix,<DT><b> B :</b><DD> assembled right-hand-side (RHS) or vectors (solutions, residuals, ...),<DT><b> BDCL :</b><DD> description of the constraints imposed by the boundary conditions,<DT><b> COOR :</b><DD> coordinates of the mesh points (nodes),<DT><b> FORC :</b><DD> description of the data required for the computation of the RHS,<DT><b> GEOM :</b><DD> geometric type description of a 3D mesh,<DT><b> MAIL :</b><DD> topology and interpolation of the mesh elements,<DT><b> MILI :</b><DD> description of the data required for the computation of the matrices,<DT><b> MPLR :</b><DD> description of the referenced boundaries,<DT><b> MUA :</b><DD> assembled matrix - skyline storage,<DT><b> NDL1 :</b><DD> pointer to the degrees of freedom per node,<DT><b> NOPO :</b><DD> mesh,<DT><b> TAE :</b><DD> element arrays corresponding to each element,<DT><b> TYNO :</b><DD> description of each node type,<DT><b> VVPR :</b><DD> eigenvalues and eigenvectors.<P> </DL><P><b> Remark:</b> The concepts required for a good understanding of the notion of a DS havealready been presented in this user guide and are assumed to be known.<P> <HR SIZE=3 WIDTH="75%"><IMG SRC="../icons/smallmod.gif" WIDTH=211 HEIGHT=50 ALIGN=BOTTOM ALT="Modulef"><A NAME=tex2html869 HREF="node35.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/previous_motif.gif" ALT="previous"></A><A NAME=tex2html875 HREF="node35.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/up_motif.gif" ALT="up"></A><A NAME=tex2html877 HREF="node37.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/next_motif.gif" ALT="next"></A><A NAME=tex2html879 HREF="node2.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/contents_motif.gif" ALT="contents"></A><A NAME=tex2html880 HREF="node58.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/index_motif.gif" ALT="index"></A><A HREF="../Guide2-18/node36.html"><IMG BORDER=0 SRC="../icons/zoom18.gif" ALIGN=BOTTOM ALT="[BIG]"></A><A HREF="../Guide2-14/node36.html"><IMG BORDER=0 SRC="../icons/zoom14.gif" ALIGN=BOTTOM ALT="[Normal]"></A><A HREF="../Guide2-10/node36.html"><IMG BORDER=0 SRC="../icons/zoom10.gif" ALIGN=BOTTOM ALT="[small]"></A><BR><B> Next: </B> <A NAME=tex2html878 HREF="node37.html">1.1 DS AMAT</A><B>Up: </B> <A NAME=tex2html876 HREF="node35.html">1 Description of DS by type</A><B> Prev: </B> <A NAME=tex2html870 HREF="node35.html">1 Description of DS by type</A><B><A HREF="node58.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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