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---------- ------------------------------------------------------ | NODE | DOF | GLOBAL DOF| LOAD CASE(S) | ------------------------------------------------------ | 1 | 1 | 1 | -6.83940 | 2 | 1 | 2 | -6.83897 | 3 | 1 | 3 | -6.85716 | 4 | 1 | 4 | -6.86066 | 5 | 1 | 5 | -6.77307 | 6 | 1 | 6 | -6.68004 | 7 | 1 | 7 | -6.58127 | 8 | 1 | 8 | -6.47645 | 9 | 1 | 9 | -6.48455 | 10 | 1 | 10 | -6.48629 -- CREATE THE DATA =-= EXECUTE MODULE (DATA EXISTING) =-= END =-= ? - - ---f</PRE><P><P><P><H2><A NAME=SECTION05132000000000000000>1.3.2 Solution by Conjugate Gradient</A></H2><P><P><P>The solution of the model problem by an iterative method is obtained be calling program <b> DGRAXX</b>, using the following data:<P><PRE> 1 $ 1 IF AMAT EXISTS sd.amat $ FILE NAME 1 $ AND LEVEL OF THE D.S. AMAT 1 $ 1 IF BE EXISTS sd.b $ FILE NAME 1 $ AND LEVEL OF THE D.S. B 0 $ 1 IF BDCL EXISTS sd.amac $ FILE NAME 2 $ AND LEVEL OF THE D.S. AMAC 0 $ LEVEL 1.00000 $ SIGMA 0 0 $ 1 IF COMPRESSION RATIO 0.1000000E-05 $ EPS sd.bs $ FILE NAME 2 $ AND LEVEL OF THE D.S. B 5 $ PRINT PARAMETER</PRE><P>The corresponding results are given below:<P><PRE> M M OOO DDDD U U L EEEEE FFFFF MM MM O O D D U U L E F M M M O O D D U U L EEEE FFFF M M O O D D U U L E F M M OOO DDDD UUU LLLLL EEEEE F VERSION 93 DATE : 22/07/93 AUTEUR : pate ************************************************************ EXECUTING THE CONJUGATE GRADIENT ************************************************************ -- CREATE THE DATA =-= EXECUTE MODULE (DATA EXISTING) =-= END =-= ? - - ---e -- NAME OF DATA FILE ? dgra.data ++ OPEN(10,FILE='dgra.data',SPEC='OLD',RECL=0) -- PRINT PARAMETER FOR THE EXECUTION ? 3 ++ OPEN(11,FILE='nopo',SPEC='OLD,UNFORMATTED',RECL=0) ++ OPEN(12,FILE='tae',SPEC='OLD,UNFORMATTED',RECL=0) ++ OPEN(13,FILE='sd.amat',SPEC='UNFORMATTED',RECL=0) ++ OPEN(14,FILE='sd.amac',SPEC='UNFORMATTED',RECL=0) ++ OPEN(15,FILE='sd.b',SPEC='UNFORMATTED',RECL=0) ++ OPEN(16,FILE='sd.bs',SPEC='UNFORMATTED',RECL=0) &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& MODULE CONDLU : &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& SIGMA = 1.00000 NIVEAU = 0 NFAMAT = 13 NIAMAT = 1 NFAMAC = 14 NIAMAC = 2 NUMBER OF UNKNOWNS 1000 NUMBER OF NONZEROS OF A 3750 INCOMPLETE FACTORISATION AT LEVEL 0 NUMBER OF NONZEROS OF CA 3750 COMPRESSION OF THE PRECONDITIONING MATRIX NUMBER OF COEFFICIENTS BEFORE THE COMPRESSION 3750 NUMBER OF COEFFICIENTS AFTER THE COMPRESSION 3750 ** NUMBER OF UNKNOWNS 1000 ** ** LEVEL OF FACTORISATION 3750 ** ** SIZE OF ARRAY AMAT5 7500 ** ** SIZE OF ARRAY AMAT6 7500 ** ** SIZE OF ARRAY AMAC5 &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& MODULE DGRADA : &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& EPS = 0.100000E-05 NOMTA0 = //// NCLRL = 0 NFBDCL = 0 NIBDCL = 0 NFNDL1 = 0 NINDL1 = 0 NFAMAT = 13 NIAMAT = 1 NFBE = 15 NIBE = 1 NFAMAC = 14 NIAMAC = 2 NFBS = 16 NIBS = 2 INITIALISATION TO ZERO SYSTEM NO 1 -------------------------------------------------------------------------------- RKNORM= 1981.60 ITEMAX= 200 NB OF ITERATIONS OF 1-EME SYSTEME= 30 NORME DU RESIDU 0.175462E-05 ** SOLUTION EXECUTION TIME 0.238242E+01 SECONDES ** ** NUMBER OF ITERATIONS 30 ** END OF MODULE DGRADA &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& PRINT OUT OF D.S. B OF LEVEL 2 &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& TITLE : DATE AND USER'S NAME : 06/05/93 pate DATA STRUCTURE TYPE : B LEVEL AND STATE NUMBER : 2 0 NUMBER OF ASSOCIATED TABLES : 0 TABLE B 2 ---------- TYPE OF THE TABLE (NTYT) : 5 NUMBER OF INDICES AND THEIR MAX VALUES (NIND..) : 2 1 1000 OPTION (1: PAGES OF SAME SIZE , 0: IF NOT) (NCOD) : 1 NUMBER OF PAGES OF THE TABLE B4 (NBLOC) : 1 NUMBER OF NODES (NOE) : 1000 NUMBER OF TABLES B4 IN THIS D.S. (NBBLOC) : 1 CONSTANT NUMBER OF D.O.F. AT EACH NODE OR 0 (ND) : 1 NUMBER OF D.O.F. OR LENGHT OF A B4 PAGE (NTDL) : 1000 STORAGE OPTION FOR B4 (NCODSB) : -1 TABLE B 3 ---------- POINTER ON THE LAST ROW OF EACH PAGE OF B4 1 0 2 1000 TABLE B4(NDSM,NTDL) NUMBER : 1 ----------------------------------- TABLE B4(NDSM,NTDL) PAGINATED IN 1 OR MORE PAGES ------------------------------------------------ PAGE 1 ---------- ------------------------------------------------------ | NODE | DOF | GLOBAL DOF| LOAD CASE(S) | ------------------------------------------------------ | 1 | 1 | 1 | -6.83940 | 2 | 1 | 2 | -6.83897 | 3 | 1 | 3 | -6.85716 | 4 | 1 | 4 | -6.86066 | 5 | 1 | 5 | -6.77307 | 6 | 1 | 6 | -6.68004 | 7 | 1 | 7 | -6.58126 | 8 | 1 | 8 | -6.47645 | 9 | 1 | 9 | -6.48454 | 10 | 1 | 10 | -6.48629 -- CREATE THE DATA =-= EXECUTE MODULE (DATA EXISTING) =-= END =-= ? - - ---fFortran STOP</PRE><P><HR SIZE=3 WIDTH="75%"><IMG SRC="../icons/smallmod.gif" WIDTH=211 HEIGHT=50 ALIGN=BOTTOM ALT="Modulef"><A NAME=tex2html802 HREF="node42.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/previous_motif.gif" ALT="previous"></A><A NAME=tex2html806 HREF="node40.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/up_motif.gif" ALT="up"></A><A NAME=tex2html808 HREF="node44.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/next_motif.gif" ALT="next"></A><A NAME=tex2html810 HREF="node2.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/contents_motif.gif" ALT="contents"></A><A HREF="../Guide5-18/node43.html"><IMG BORDER=0 SRC="../icons/zoom18.gif" ALIGN=BOTTOM ALT="[BIG]"></A><A HREF="../Guide5-14/node43.html"><IMG BORDER=0 SRC="../icons/zoom14.gif" ALIGN=BOTTOM ALT="[Normal]"></A><A HREF="../Guide5-10/node43.html"><IMG BORDER=0 SRC="../icons/zoom10.gif" ALIGN=BOTTOM ALT="[small]"></A><BR><B> Next: </B> <A NAME=tex2html809 HREF="node44.html">References</A><B>Up: </B> <A NAME=tex2html807 HREF="node40.html">1 Examples</A><B> Prev: </B> <A NAME=tex2html803 HREF="node42.html">1.2 The symmetric model problem</A><B><A HREF="node2.html" >Contents</A></B><BR> <HR><P><ADDRESS></ADDRESS></BODY></HTML>⌨️ 快捷键说明
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