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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>6.5 Diverse</TITLE><LINK REL=STYLESHEET TYPE="text/css" HREF="./Modulef.css" TITLE="Modulef CSS"><meta name="description" value="6.5 Diverse"><meta name="keywords" value="Guide6"><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=tex2html1156 HREF="node57.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/previous_motif.gif" ALT="previous"></A><A NAME=tex2html1160 HREF="node53.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/up_motif.gif" ALT="up"></A><A NAME=tex2html1162 HREF="node59.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/next_motif.gif" ALT="next"></A><A NAME=tex2html1164 HREF="node2.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/contents_motif.gif" ALT="contents"></A><A HREF="../Guide6-18/node58.html"><IMG BORDER=0 SRC="../icons/zoom18.gif" ALIGN=BOTTOM ALT="[BIG]"></A><A HREF="../Guide6-14/node58.html"><IMG BORDER=0 SRC="../icons/zoom14.gif" ALIGN=BOTTOM ALT="[Normal]"></A><A HREF="../Guide6-10/node58.html"><IMG BORDER=0 SRC="../icons/zoom10.gif" ALIGN=BOTTOM ALT="[small]"></A><BR><B> Next: </B> <A NAME=tex2html1163 HREF="node59.html">7 Implementation notes</A><B>Up: </B> <A NAME=tex2html1161 HREF="node53.html">6 Diverse visualizations</A><B> Prev: </B> <A NAME=tex2html1157 HREF="node57.html">6.4 Characteristic points and lines TRPOXX</A><B><A HREF="node2.html" >Contents</A></B><HR SIZE=3 WIDTH="75%"><H1><A NAME=SECTION04750000000000000000>6.5 Diverse</A></H1><P><P><P><H2><A NAME=SECTION04751000000000000000>6.5.1 Isovalues on a cut through a 3D mesh</A></H2><P><P><P>In the case of a 3D problem modeled using Lagrange elements of degree 1 (tetrahedron, pentahedron or hexahedron) for which the mesh is known in the form of a <b> NOPO</b> structure and the solution is a <b> B</b> structure, preprocessor <b> COUPXX</b> is used to plot the isovalues of the solution on acut plane.<P><OL><LI> Activate preprocessor <b> COUPXX</b>.<P><LI> Choose the output terminal.<P><LI> Enter the names of the files containing the mesh (D.S. <b> NOPO</b>) and the solution (D.S. <b> B</b>). In addition, enter the coefficients defining the cut plane(equation of the form: <b>AX + BY + CX + D = 0.</b>).<P><LI> The menu appears (see below).<P><LI> An automatic plot (<b> mesh of the cut plane and isovalues</b>) is obtained by typing 0.<P><LI> The values of the visualization parameters are obtained by typing V.<P><LI> Modify, if necessary, these values by choosing the corresponding key and entering the requested information.Once the desired state is obtained, type 0 to display the plot.<P></OL><P>In practice, using preprocessor <b> COUPXX</b>, the user indicates to the module the different choices made from the possibilities offered.<P>The module computes the extrema corresponding to the mesh and solution automatically so that thecorners of the box in which the plot will be displayed can be defined.<P><P><P>The menu of TRISO3 (module called in this case) is shown below:<P><PRE> ------------------------------------------------------------ | | PLOT TYPE | MESH AND CUT OF A 3D D.S. B ------------------------------------------------------------ | 20 | D.S. NOPO IN USE | levier.nopo ------------------------------------------------------------ | 20 | S.D. B IN USE | levier.b ------------------------------------------------------------ | 21 | PLANE : AX+BY+CZ+D=0. | 1.0000 0.00000 ------------------------------------------------------------ | 21 | | 0.00000 1.0000 ------------------------------------------------------------ | 24 | LOAD CASE | 1 ------------------------------------------------------------ | 27 | TABLE B4 IN USE | 1 ------------------------------------------------------------ | 28 | TIMESTEP TO BE USED | NOT USED ------------------------------------------------------------ | 32 | D.O.F. IN USE | 1 ------------------------------------------------------------ | 25 | NUMBER OF ISOVALUES | 20 ------------------------------------------------------------ | 26 | CHOICE FOR ISOVALUES | MIN < ** < MAX ------------------------------------------------------------ | 71 | ISOVALUES ARE POINTED | NO ------------------------------------------------------------ | 31 | QUESTIONS ABOUT A D.S. | NO ------------------------------------------------------------ | 30 | PLOT SIZE | AUTO ------------------------------------------------------------ | 40 | CHARACTER TYPE | HARD ------------------------------------------------------------ | 50 | ITEMS TO PLOT | TRIANGULATION ------------------------------------------------------------ | 51 | SUB-DOMAINS CONSIDERED | ALL ------------------------------------------------------------ | 52 | OVERLAPPING | YES ------------------------------------------------------------ | 60 | LEGEND | YES ------------------------------------------------------------ | 80 | LINE TYPE (MESH) | SOLID ------------------------------------------------------------ | 80 | LINE TYPE (ISOVALUES) | DOTTED ------------------------------------------------------------</PRE><P>A default value is proposed for each option. The above table lists the selections made automatically when plotting the stresses. Type 0 toobtain the plot of the mesh.<P>A key (a number) and a status corresponds to each item. To modify the status, it suffices to type thekey and enter the values corresponding to the status desired (see the general introduction).The list of keys is given below:<P><DL COMPACT><DT>Key 10:<DD> the plot type: mesh and cuts (default value fixed).<DT>Key 20:<DD> the name of the files containing the mesh (D.S. <b> NOPO</b>) and the solution (D.S. <b> B</b>). To change files, activate this key and enter the new file names.<DT>Key 21:<DD> the new cut plane.<DT>Key 24:<DD> already seen.<DT>Key 27:<DD> already seen.<DT>Key 28:<DD> for a transient problem.<DT>Key 32:<DD> already seen.<DT>Key 25:<DD> already seen.<DT>Key 26:<DD> already seen.<DT>Key 71:<DD> already seen.<DT>Key 31:<DD> by activating this key, we can "inquire" about the D.S. and obtain information regarding its contents.<DT>Key 30:<DD> the plot will be full screen, otherwise the user must specify the size in cm.<DT>Key 40:<DD> the type of characters plotted: hardware (by default), software if not. <DT>Key 50:<DD> the choice of items to plot: the triangulation (by default). By activating this key, we have a choice between:<PRE> -- MESH NOTHING : 0 TRIANGULATION : 1 GEOMETRIC BOUNDARY : 2</PRE> <DT>Key 51:<DD> The sub-domains to consider (by default, all). By activating this key, the user enters thenumber of sub-domains to take into account and their numbers. <DT>Key 52:<DD> the mesh and isovalues are superposed on the plot (by default),. By activating this key, themesh of the cut is first obtained and then, by responding with a YES to the question:<PRE> -- OTHER VIEW (YES-NO) ?</PRE> a plot of the isovalues without the mesh.<DT>Key 60:<DD> the general legend (there is a legend by default) corresponds to theindications appearing to the right of the plot (see examples: title, date, file name,...). <DT>Key 80:<DD> the type of plot lines desired: solid (by default) or, by activating this key, the choice between:<PRE> SOLID : 1 -- DOTTED : 2 DASHED : 3 -- MIXED : 4 ?</PRE> and for the solution: DOTTED (by default) or, by activating the key the choice shown above.<P> </DL><P><P><P>Once a plot is displayed on the screen, a <i> graphics</i> menu appears which allows us to:<P><UL><LI> Exit (0) from the session, <LI> Continue (1), i.e., return to the module's main menu; <LI> Produce a hardcopy (9) of the screen.</UL><P><P><P><H2><A NAME=SECTION04752000000000000000>6.5.2 Piezometry</A></H2><P><P><P>In the case of a 2D problem modeled using Lagrange elements of degree 1 for which the mesh is known inthe form of a <b> NOPO</b> structure and the solution is a <b> B</b> structure, preprocessor <b> ISOPXX</b> is used to plot the isovalues(it corresponds to a poor version of <b> TRMCXX</b>). In reality, this preprocessor was writtento visualize solutions (piezometric pressure and head) of an incompressible fluid flow problemin a porous medium.<P><OL><LI> Activate preprocessor <b> ISOPXX</b>.<P><LI> Choose the output terminal.<P><LI> Enter the names of the files containing the mesh (D.S. <b> NOPO</b>).<P><LI> The menu appears (see below).<P><LI> An automatic plot (<b> mesh</b>) is obtained by typing 0.<P><LI> The values of the visualization parameters are obtained by typing V.⌨️ 快捷键说明
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