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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>3.2 Two-dimensional solutions TRMCXX</TITLE><LINK REL=STYLESHEET TYPE="text/css" HREF="./Modulef.css" TITLE="Modulef CSS"><meta name="description" value="3.2 Two-dimensional solutions TRMCXX"><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=tex2html963 HREF="node40.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/previous_motif.gif" ALT="previous"></A><A NAME=tex2html969 HREF="node39.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/up_motif.gif" ALT="up"></A><A NAME=tex2html971 HREF="node42.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/next_motif.gif" ALT="next"></A><A NAME=tex2html973 HREF="node2.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/contents_motif.gif" ALT="contents"></A><A HREF="../Guide6-18/node41.html"><IMG BORDER=0 SRC="../icons/zoom18.gif" ALIGN=BOTTOM ALT="[BIG]"></A><A HREF="../Guide6-14/node41.html"><IMG BORDER=0 SRC="../icons/zoom14.gif" ALIGN=BOTTOM ALT="[Normal]"></A><A HREF="../Guide6-10/node41.html"><IMG BORDER=0 SRC="../icons/zoom10.gif" ALIGN=BOTTOM ALT="[small]"></A><BR><B> Next: </B> <A NAME=tex2html972 HREF="node42.html">3.3 Two-dimensional stresses TRSTXX</A><B>Up: </B> <A NAME=tex2html970 HREF="node39.html">3 Visualization of solutions</A><B> Prev: </B> <A NAME=tex2html964 HREF="node40.html">4.1 Introduction</A><B><A HREF="node2.html" >Contents</A></B><HR SIZE=3 WIDTH="75%"><H1><A NAME=SECTION04420000000000000000>3.2 Two-dimensional solutions TRMCXX</A></H1><P><P><P><H2><A NAME=SECTION04421000000000000000>3.2.1 Aim and utilization limits</A></H2><P><P><P>Preprocessor <b> TRMCXX</b> is used to visualize meshes and the corresponding solutions.It enables the user to visualize:<UL><LI> the displacements in the form of a deformed mesh obtained by adding the displacements, multiplied by a givenfactor, to the corresponding nodes of the initial mesh.<LI> the velocities, either as a deformed mesh obtained by adding the velocities, considered asdisplacements and multiplied by a given factor, to the corresponding nodes of the initial mesh, or by arrows placed at the different nodes.<LI> the isovalues of the solution on the mesh (the solutionis therefore interpreted in terms of P1 triangles, see further down).<LI> the flux (D.S. <b> B</b> obtained during the solution of a problem with mixed finite elements) on a mesh.</UL>In addition, it enables the user to perform cuts on a displayed solution.<P><DL COMPACT><DT>Note:<DD> The visualization of isovalues, ..., and flux is only possible for certain finite elements.<P> </DL><P><P><P><H2><A NAME=SECTION04422000000000000000>3.2.2 Utilization of TRMCXX</A></H2><P><P><P><OL><LI> Activate preprocessor <b> TRMCXX</b>.<P><LI> Choose the output terminal.<P><LI> Enter the names of the files containing the mesh (D.S. <b> MAIL</b> and <b> COOR</b>).<P><LI> The menu appears (see below).<P><LI> An automatic plot (<b> mesh only</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.<b> In particular</b>, key 10 is used to plot the solution associated with the mesh and to choose thetype of plot desired. In this case, enter the name of the file containing the solution (D.S. <b> B</b>)followed by the type.<P><LI> A graphics menu is available on the plot which enables the user to perform modifications to the plot, toquit, or to return to the menu mentioned above and described in the sections which follow.<P></OL><P><P><P><H2><A NAME=SECTION04423000000000000000>3.2.3 Complete description of TRMCXX</A></H2><P><P><P>In practice, using preprocessor <b> TRMCXX</b>, the user indicates to the module the different choices made from thepossibilities 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 TRMACO (module called in this case) is shown below:<P><PRE> ------------------------------------------------------------ | 10 | PLOT TYPE | MESH ONLY ------------------------------------------------------------ | 11 | DEVICE NUMBER | 1 ------------------------------------------------------------ | 12 | PLOT TITLE | ------------------------------------------------------------ | 20 | D.S. MAIL TO PLOT | carre.mail ------------------------------------------------------------ | 20 | D.S. COOR TO PLOT | carre.coor ------------------------------------------------------------ | 31 | QUESTIONS ABOUT ONE D.S. | NO ------------------------------------------------------------ | 30 | PLOT SIZE | AUTO ------------------------------------------------------------ | 40 | CHARACTER TYPE | HARD ------------------------------------------------------------ | 50 | ITEMS TO PLOT | TRIANGULATION ------------------------------------------------------------ | 60 | LEGEND | YES ------------------------------------------------------------ | 70 | NUMBER | NONE ------------------------------------------------------------ | 80 | LINE TYPE (MESH) | SOLID ------------------------------------------------------------</PRE><P>A default value is proposed for each option. By default, only the mesh is visualized. Toview the solution as well, key 10 must be selected.The above table lists the selections made automatically. Type 0 toobtain a plot.<P>A key (a number) and a status correspond 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 only (default value), we can also plot:<UL><LI> (1) deformations<LI> (2) isovalues<LI> (3) velocities<LI> (4) cuts through a displayed solution<LI> (5) flux</UL><DT>Key 11:<DD> the device number.<DT>Key 12:<DD> the title which will appear on the plot in the general legend part (there is no title by default).<DT>Key 20:<DD> the names of the files containing the mesh (D.S. <b> MAIL</b> and <b> COOR</b>). To change files, we activate this key and input thenew file names.<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 REFERENCED BOUNDARY : 3 SHRINK : 4 ?</PRE>The shrink operation consists of contracting, by a given ratio (0.8 by default, valuemodified via key 23), each element with respect to its barycentre.<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 70:<DD> the numbers to be displayed, none (by default) or, by activating this key, thechoice between:<P><PRE> NO NUMBER : 0 ELEMENT : 1 - POINT: 2 - NODE : 3 SUBDOMAIN : 4 REFERENCE (ALL) : 5 REFERENCE POINTS : 6 - NODES : 7 REFERENCE EDGES : 8</PRE><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><P> </DL><P><P><P>Once a plot is displayed on the screen, a <i> graphics</i> menu appears, as for the other modules, 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> Display the next (2) or previous (3) view;<LI> Refresh (4) the screen;<LI> Zoom (5 or M) (designate the zoom zone by clicking or designating manually), or a zoom- (6);<LI> Produce a hardcopy (9) of the screen, or a softcopy (8) on another graphical terminal; having done this,the user is returned to the initial state (of this <i> graphics</i> menu).</UL><P><P><P>We now give some details regarding the choices possible as a function of the type ofvisualization selected:<P><DL COMPACT><DT>Mesh only:<DD> <P>This corresponds to the case described above (identical with respect to the possibilities offeredby preprocessor <b> TRNOXX</b> for the two-dimensional case, to which the reader is referred).<P><P><P><DT>Deformations:<DD> <P>Activate key 10 and choose option 1. It is then necessary to enter the name of the file containingD.S. <b> B</b> containing the solutions (displacements or velocities interpreted as displacements). Theenlarged menu (additional keys followed by an asterisk) is given below:<P><PRE> ------------------------------------------------------------ | 10 | PLOT TYPE | MESH AND DEFORMATION ------------------------------------------------------------ | 11 | DEVICE NUMBER | 1 ------------------------------------------------------------ | 12 | PLOT TITLE | ------------------------------------------------------------ | 20 | D.S. MAIL TO PLOT | carre.mail ------------------------------------------------------------ | 20 | D.S. COOR TO PLOT | carre.coor ------------------------------------------------------------ | 21 | S.D. B USED | carre.solu2 ------------------------------------------------------------ | 24 | LOAD CASE | 1 ------------------------------------------------------------ | 27 | ARRAY B4 SELECTED | 1 ------------------------------------------------------------ | 22 | DEFORMATION RATIO | 100.0000 ------------------------------------------------------------ | 31 | QUESTIONS ABOUT ONE D.S. | NO ------------------------------------------------------------ | 30 | PLOT SIZE | AUTO ------------------------------------------------------------ | 40 | CHARACTER TYPE | HARD ------------------------------------------------------------ | 50 | ITEMS TO PLOT | NO MESH ------------------------------------------------------------ | 50 | ITEMS TO PLOT (DEFORM) | TRIANGULATION ------------------------------------------------------------ | 60 | LEGEND | YES ------------------------------------------------------------ | 70 | NUMBER | NONE ------------------------------------------------------------ | 80 | LINE TYPE (MESH) | SOLID ------------------------------------------------------------ | 80 | LINE TYPE (DEFORMED) | SOLID ------------------------------------------------------------</PRE><P>A default value is proposed for each option.The above table lists the selections made automatically when plotting the deformations. Type 0 toobtain the plot.<P>A key (a number) and a status correspond 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 deformation (default value).<DT>Key 11:<DD> already seen.<DT>Key 12:<DD> already seen.<DT>Key 20:<DD> already seen.<DT>Key 21*:<DD> the name of the file containing the solution (D.S. <b> B</b>).To change files, activate this key and enter the name of the new file to be consider.<DT>Key 24*:⌨️ 快捷键说明
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