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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>1.3 DS B</TITLE><LINK REL=STYLESHEET TYPE="text/css" HREF="./Modulef.css" TITLE="Modulef CSS"><meta name="description" value="1.3 DS B"><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=tex2html905 HREF="node38.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/previous_motif.gif" ALT="previous"></A><A NAME=tex2html911 HREF="node35.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/up_motif.gif" ALT="up"></A><A NAME=tex2html913 HREF="node40.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/next_motif.gif" ALT="next"></A><A NAME=tex2html915 HREF="node2.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/contents_motif.gif" ALT="contents"></A><A NAME=tex2html916 HREF="node58.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/index_motif.gif" ALT="index"></A><A HREF="../Guide2-18/node39.html"><IMG BORDER=0 SRC="../icons/zoom18.gif" ALIGN=BOTTOM ALT="[BIG]"></A><A HREF="../Guide2-14/node39.html"><IMG BORDER=0 SRC="../icons/zoom14.gif" ALIGN=BOTTOM ALT="[Normal]"></A><A HREF="../Guide2-10/node39.html"><IMG BORDER=0 SRC="../icons/zoom10.gif" ALIGN=BOTTOM ALT="[small]"></A><BR><B> Next: </B> <A NAME=tex2html914 HREF="node40.html">1.4 DS BDCL</A><B>Up: </B> <A NAME=tex2html912 HREF="node35.html">1 Description of DS by type</A><B> Prev: </B> <A NAME=tex2html906 HREF="node38.html">1.2 DS ATRI</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=SECTION05140000000000000000>1.3 DS B</A></H1><A NAME=3636> </A><P><P><P><H2><A NAME=SECTION05141000000000000000>1.3.1 Contents</A></H2><P><P><P>This DS stores a coefficient array in the form of a vector (right-hand-side (RHS) of a system, solution, etc.).<P>In practice, matrix <b> B</b> has the form <b> B</b>(NDSM,NTDL) where NDSM designates, for example, the number of load cases of RHS and NTDL is the number of degrees of freedom.<P>DS <b> B</b> consists of five arrays of predefined order.<P><DL COMPACT><DT>Array B0:<DD> General information.<BR><P>This integer array contains 32 variables, consisting of a general descriptionof the job (title, date, name), of DS <b> B</b> (type, level, ...), andindicates the presence or absence of array <b> B1</b>.<P><DL COMPACT><DT> 1:20 <tt> TITRE</tt><DD><P>the job title in 20 words of 4 characters,<P> </DL><P><DL COMPACT><DT> 21:22 <tt> DATE</tt><DD><P>the data of creation in 2 words of 4 characters,<P> </DL><P><DL COMPACT><DT> 23:28 <tt> NOMCRE</tt><DD><P>the creator's name in 6 words of 4 characters,<P> </DL><P><DL COMPACT><DT> 29 <tt> 'B'</tt><DD><P>the DS type,<P> </DL><P><DL COMPACT><DT> 30 <tt> NIVEAU</tt><DD><P>the DS level,<P> </DL><P><DL COMPACT><DT> 31 <tt> ETAT</tt><DD><P>a reserved parameter,<P> </DL><P><DL COMPACT><DT> 32 <tt> NTACM</tt><DD><P>the number of supplementary arrays associated with the DS(they are described in array <b> B1</b>).<P> </DL><P><DT>Array B1:<DD> Description of any supplementary arrays. <BR><P>This integer array exists if NTACM (see <b> B0</b>) is non-zero. It contains, foreach array to be described, 22 variables. In general, there are no associatedarrays, except for certain applications where it is necessary to store values in the DS which do not enter its standard definition.<P>If array <b> B1</b> exists, it contains sequentially:<P><UL><LI> Loop i from 1 to NTACM<UL><LI> array name in 4 characters,<LI> array address in the super-array M,<LI> number of words of this array,<LI> array type (1 = integer, 2 = real single precision, 4 = character, 5 = real double precision, ...) <LI> comments corresponding to the contents of the array in 18 words of 4 characters.</UL> <LI> End of loop. </UL><P><DT>Array B2:<DD> General description of the coefficient array. <BR><P>This integer array contains 11 values.<P><DL COMPACT><DT> 1 <tt> NTYP</tt><DD><P>the type of array <b> B4</b>,<P> </DL><P><DL COMPACT><DT> 2 <tt> NIND</tt><DD><P>the number of indices (fixed to 2),<P> </DL><P><DL COMPACT><DT> 3 <tt> M1</tt><DD><P>the maximum value of its first index (for example, NDSM, the number of load cases),<P> </DL><P><DL COMPACT><DT> 4 <tt> M2</tt><DD><P>the maximum value of its second index (for example, NTDL if <b> B4</b> only has one page),<P> </DL><P><DL COMPACT><DT> 5 <tt> NCOD</tt><DD><P>the code for splitting array <b> B4</b> into blocks, with:<UL><LI> NCOD = 1 if all the blocks have the same size (except the last), <BR> <LI> NCOD = if not, <BR> </UL> </DL><P><DL COMPACT><DT> 6 <tt> NBLOC</tt><DD><P>the number of blocks,<P> </DL><P><DL COMPACT><DT> 7 <tt> NOE</tt><DD><P>the number of nodes,<P> </DL><P><DL COMPACT><DT> 8 <tt> NBBLOC</tt><DD><P>the number of <b> B4</b> arrays when the DS is on file,<P> </DL><P><DL COMPACT><DT> 9 <tt> ND</tt><DD><P>the number of degrees of freedom per node if it is constant, or 0,<P> </DL><P><DL COMPACT><DT> 10 <tt> NTDL</tt><DD><P>the number of degrees of freedom or the maximum value of the second index of array <b> B4</b> when the NBLOC blocks are considered,<P> </DL><P><DL COMPACT><DT> 11 <tt> NCODSB</tt><DD><P>the storage code for array <b> B4</b> with:<UL><LI> NCODSB = -1 for a storage by degrees of freedom.</UL> </DL><P><DT>Array B3:<DD> Pointer to the blocks. <BR><P>This integer array contains NBLOC+1 variables indicating the segmentation of array <b> B4</b>.⌨️ 快捷键说明
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