TrueGrid® Output Manual For STARCD A Guide and a Reference by
Contents
1. insprt 12 1 5 rnsprt 1 3 5 5 insprt 14 1 5 c Position additional vertices pb 4 3 2 4 3 2 xyz 2 999967e 01 2 999968e 01 2 000000e 00 pb 452 45 2 xyz 3 000000e 01 3 000000e 01 2 000000e 00 pb 352 3 5 2 xyz 3 000000e 01 3 000000e 01 2 000000e 00 pb 3 3 2 3 3 2 xyz 2 999967e 01 2 999968e 01 2 000000e 00 pb 45145 1 xyz 3 000000e 01 3 000000e 01 3 000000e 01 pb 3 5 1 3 5 1 xyz 3 000000e 01 3 000000e 01 3 000000e 01 pb 43 1 4 3 1 xyz 3 000000e 01 3 000000e 01 3 000000e 01 pb S3 3 4 3 3 xyz 3 000000e 01 3 000000e 01 3 000000e 01 c Project to the boundary layer cylinder Sfi 2 9 5 2 6 5d 6 c Cluster the nod S toward the boundary res 311422 j 1 25 res 3 6 S PB DT 25 res 5 316 52 i 1 1 25 res 131252 i 25 res 241542i1 c Smooth the interior unifn 232 542 amp 3224 32 25 0 0 1 0 unifn 24 2552 amp 35246225 0 unifm 2 3 5 4 amp 32143125 0 unifm 2 4 5b oue Sob 4 6 25 40 C Assign material 1 to this mesh mate 1 c Replicate the part lct 3 rx 90 rx 180 rx 270 lrep 012 3 endpart c Enter the merge phase merge c Merge identical nodes stp 001 c Create surfaces to select face sets sd 7 plan 00 2001 sd 8 plan 0 2 001 0 sd 9plan 002001 sd 10 plan 02001 0 c Create the face sets fset facel surface 7 01 4 Copyr2. Tabl of COB ICIES ost Yves hte bu lel dece EM eile aa a dir Bre bap qu 3 LSTARCD Output Guide 1 1 1 1 5 Font Conventos o on S Reate d ate doe ier eU E RR RN Rat ON Ee 5 Cell hipeg ud ose pore eA d aque angi ee Boxe eo 5 STARCD Commands oe ide reddendo de decedere uA Sont d 5 STAECD S Input Files is usos do teet dd o eol fef ttes Datur a DO ed 6 IL STARCD EXAMPLES ok eG RRS A HERR KR s EGE ER C e 7 III STARCD OUTPUT REFERENCE 0 c cece cece eens 11 Command Syntax Conventions 0 0 c cece ees 11 starmats STARCD element type selection 0 00 eee 12 starbc STARCD boundary conditions regions part phase 12 starbci STARCD boundary conditions progressions part phase 13 starbc STARCD boundary conditions of face sets merge phase 13 condition specify type of condition constraint to be displayed 14 Copyright O 2007 by XYZ Scientific Applications Inc All Rights Reserved TrueGrid Output Manual For STARCD July 19 2007 3 Copyright O 2007 by XYZ Scientific Applications Inc All Rights Reserved 4 July 19 2007 TrueGrid Output Manual For STARCD I STARCD Output Guide STARCD is a three dimensional simulation code by CD adapco to model fluid dynamics The focus in this manual will be on those features in TrueGrid that are specific to creating STARCD input data The TrueGrid User s Manual covers t
3. for material number 1 starmats 1 fluid c Create the geometry sd 1I ey 000001 sda 2 cy 0000101 sd 3plan 000010 sd 4 plan 0000 sd 5 plan 0 0 0 0 1 sd 6 cy 0 00001 7 c Use Transfinite Interpolation intyp 2 c Create a part block t Ir I 29 24 LL 19cZ9su Gr SS eS a SB Bs ae d 2 c Delete the butterfly corner blocks dei 2034 1203 4 c Project to the outer cylinder sfi 1 4 1 4 sd 1 c Insert a mid partition insprt 424 c Position the vertices pb 1 4 1 1 4 1 xyz 6 846159e 01 7 065985e 01 7 097514e 01 pb 2 5 2 5 xyz 6 846159e 01 7 065985e 01 7 097514e 0 pb 3 5 1 3 5 1 xyz 6 846159e 01 7 065985e 01 7 097514e 0 pb 4 4 1 4 4 1 xyz 6 846159e 01 7 065985e 01 7 097514e 0 pb 4 2 4 2 xyz 6 846159e 01 7 065985e 01 7 097514e 0 pb 3 3 xyz 6 846159e 01 7 065985e 01 7 097514e 0 pb 2 2 xyz 6 846159e 01 7 065985e 01 7 097514e 0 pb 12 12 xyz 6 846159e 01 7 065985e 01 7 097514e 0 c Glue the butterfly faces together bb 32142 2 1 bb 3 1 B22 2 bb 2 1 2 2 2 2 bb 1 2 2 2 2 2 bb 1 4 242 3 bb 2 4 2 435 22 34 bb 3 4 352 4 bb 3 4 442 4 c Project to various planes for precision Sia 3 3 2s0 3 sfi 1 0 4 1 sd 2 Copyright O 2007 by XYZ Scientific Applications Inc All Rights Reserved TrueGrid Output Manual For STARCD July 19 2007 Spas Ae cpu mE eS Sfi 13 1 sd 4 Sta 35 Al 9d 5 c Insert partitions for the boundary layer insprt 11 4 5
4. TrueGrid Output Manual For STARCD A Guide and a Reference SAEN OEE NS SENSE N Nanas Robert Rainsberger Version 2 3 0 XYZ Scientific Applications Inc July 19 2007 Copyright 2007 by XYZ Scientific Applications Inc All rights reserved TrueGrid the TrueGrid Output Manual for STARCD and related products of XYZ Scientific Applications Inc are copyrighted and distributed under license agreements Under copyright laws they may not be copied in whole or in part without prior written approval from XYZ Scientific Applications Inc The license agreements further restrict use and redistribution XYZ Scientific Applications Inc makes no warranty regarding its products or their use and reserves the right to change its products without notice This manual is for informational purposes only and does not represent a commitment by XYZ Scientific Applications Inc XYZ Scientific Applications Inc accepts no responsibility or liability for any errors or inaccuracies in this document or any of its products TrueGrid is a registered trademark of XYZ Scientific Applications Inc STARCD is a registered trademark of CD adapco Inc Some other product names appearing in this book may also be trademarks or registered trademarks of their trademark holders Copyright O 2007 by XYZ Scientific Applications Inc All Rights Reserved ii July 19 2007 TrueGrid Output Manual For STARCD Table of Contents
5. dified using the fset and fseti commands in the part phase and the fset command in the merge phase A fset can also be created or modified using the Sets button in the Pick panel of the Environment Window while in the merge phase A face set is named at the time it is created and any character string can be used to name it The region id and the radiation id are required by STARCD Only the region id is used in TrueGrid to choose the boundary condition to be displayed see the co command The radiation id plays no role in TrueGrid and is simply passed onto the bnd boundary output file condition specify type of condition constraint to be displayed condition starbe region id Or co starbe region id Copyright O 2007 by XYZ Scientific Applications Inc All Rights Reserved 14 July 19 2007 TrueGrid Output Manual For STARCD
6. he co command The radiation id plays no role in TrueGrid and is simply passed onto the bnd boundary output file starbci STARCD boundary conditions progressions part phase starbci i ist j list k list region id radiation id type where type can be inlet outlet symplane wall cyclic stagnation pressure baffle freestream transient attach radiation degas riemann internal npressure nrstagnation Remarks The region id and the radiation id are required by STARCD Only the region id is used in TrueGrid to choose the boundary condition to be displayed see the co command The radiation id plays no role in TrueGrid and is simply passed onto the bnd boundary output file starbc STARCD boundary conditions of face sets merge phase starbc fset set name region id radiation id type where the region type can be inlet Copyright O 2007 by XYZ Scientific Applications Inc All Rights Reserved TrueGrid Output Manual For STARCD July 19 2007 13 outlet symplane wall cyclic stagnation pressure baffle freestream transient attach radiation degas riemann internal npressure nrstagnation Remarks Each region ID is assumed to consist of a contiguous area of a boundary If you do not specifically call out a boundary on an exterior face it assumes that face belongs to the region identified with 0 You can set region 0 to any region type but most commonly its set to be a wall A face set is created and mo
7. he creation of a mesh and will not be covered in this manual This manual is incomplete in another sense because it cannot be used as a substitute for a working knowledge of STARCD Font Conventions Different fonts are used through out this manual to indicate their meaning A literal is highlighted in bold A symbol to be substituted with a literal or a number is italicized A computer example uses the Courier font A button in from the Graphical User Interface is both italic and bold Cell Shapes The typical cell shape is a hexahedron brick To form a wedge pyramid tetrahedron or other degenerate brick cell gather some of the nodes to collapse edges and faces Then be sure to issue a merge command in the merge phase such as the stp command so that coincident nodes are merged into one node See the STARCD Manual for the allowable degenerate bricks There is no facility to cut corners off of a brick cell STARCD Commands The following is a list of TrueGrid commands that can be used to produce features that are unique to STARCD input data STARCD feature TrueGrid commands choose STARCD format starcd associate an element type with a material starmats assign boundary conditions starbc starbci Use the standard parts commands block or cylinder to generate a brick mesh The element type is set by defining a material with the starmats command Then elements are assigned a material number using the mate mt mti and mtv com
8. ight O 2007 by XYZ Scientific Applications Inc All Rights Reserved 8 July 19 2007 TrueGrid Output Manual For STARCD fset face2 surface 8 01 4 fset face3 surface 9 01 4 fset face4 surface 10 01 4 C Assign boundary conditions starbc fset facel 1 O0 inlet starbc fset face2 2 0 inlet starbc fset face3 3 0 inlet starbc fset face4 4 0 outlet c Create the input files for STARCD mof fourpipes write CN aS AN gt SX cio L PR s es se lt p S VSS NNS AIC AWRY PEO Ey LOSS WOE NH N MM NN Dn WS a PEA ANY i KA BOT TTTS M E NM WU 7 Co starbe 4 was used to display the faces forming the outlet Copyright O 2007 by XYZ Scientific Applications Inc All Rights Reserved TrueGrid Output Manual For STARCD July 19 2007 Copyright O 2007 by XYZ Scientific Applications Inc All Rights Reserved 10 July 19 2007 TrueGrid Output Manual For STARCD III STARCD OUTPUT REFERENCE The syntax for commands are described below were literals are highlighted in bold Symbols to be substituted are italicized Each command is described by an entry like the following Command Syntax Conventions When an arbitrarily long list of arguments are required a semi colon terminates the list When a semi colon is found in the description of an option or command this indicates such a list It is common to have a list inside ano
9. mands Use the starbe and starbci commands in the part phase to specify boundary conditions Alternatively you can use the starbe command with face sets to define boundary conditions in the merge phase Copyright O 2007 by XYZ Scientific Applications Inc All Rights Reserved TrueGrid Output Manual For STARCD July 19 2007 5 STARCD Input Files The stared command identifies the STARCD file format for the output of nodes bricks and boundary conditions for STARCD version 3 The stared command must be issued anytime before the write command in the merge phase When the write command is issued three files will be written The default family name for these files is trugrdo The family name can be specified on the TrueGrid execute line or specified with the mof command Each file is named using a suffix which is added to the family name The file with the suffix or file type vrt will contain the nodal or vertex data The file with the suffix cel will have the element or cell data The file with the suffix bnd will have the boundary conditions data Be sure to issue a nodal merge command such as stp before issuing the write command The STARCD input file with the suffix inp is not produced by TrueGrid This file is a collection of prostar commands that gets everything else read You should create this file and the use FILE casename inp to begin importing This file is strictly ascii and free format with as many line
10. s as you need Anything starting with is a comment There are additional fields in all these commands that you can enter but it would be best to look at the STARCD manual to decide how much of them you need This is the minimum TITLE Put the title here Define the cell tables and cell table names Solids are ignored if conjugate heat transfer is off CTABLE 1 OPTION CTNAME 1 NAME FOR CELL TYPE 1 CTABLE 2 OPTION CTNAME 2 NAME FOR CELL TYPE 2 CTABLE N OPTION CTNAME N NAME FOR CELL TYPE 3 no spaces Read in cells and vertices CREAD casename cel VREAD casename vrt Define boundary region names and read boundaries RNAME 1 name of region 1 RNAME 2 name of region 2 BREAD casename bnd Copyright O 2007 by XYZ Scientific Applications Inc All Rights Reserved 6 July 19 2007 TrueGrid Output Manual For STARCD II STARCD EXAMPLES The following example creates a complete model for STARCD and produces the three files named fourpipes vrt fourpipes cel and fourpipes bnd This problem is formed by intersecting four pipes Three of the pipes are inlets and the fourth is an outlet title Four Intersecting pipes c Choose the output format starcd c Choose th lement type
11. ther list Each list must have a terminating semi colon This is analogous to parenthesis in algebraic expressions where the opening parenthesis must be balanced with a closing parenthesis In this case the keyword that initiates a list of items must be balanced with a closing semi colon Sometimes a short list of arguments and options can be repeated indefinitely forming a list The set of arguments and options that can be repeated are placed in square brackets Sometimes the abbreviation _things is used to mean number of things Each command is described by an entry like the following command summary description command arguments brief description of functionality with brief descriptions of what the arguments should be indentation is used to indicate a list of options to the arguments Some commands in the part phase require a region specification The region selects a face of the mesh among other things Others may require a progression specification The progression selects multiple faces among other things In the merge phase such commands require an option In all of these cases a portion of the mesh is identified Remarks When present the Remarks section describes the command in even greater detail It may describe the context in which the command is normally used and other commands used in association with this command It may describe side effects It may describe other similar commands In many cases it includes a descrip
12. tion of where to find the command in the menus Examples When present this shows the exact use ofthe command If you use the dialogues this command will be generated by simple selection options with the mouse and entering data where indicated The command as shown here will appear in the session file for later reuse and possible modification Copyright O 2007 by XYZ Scientific Applications Inc All Rights Reserved TrueGrid Output Manual For STARCD July 19 2007 11 You can also enter the command into the text window or insert it into a command file to be run in batch mode starmats STARCD element type selection starmats material ft type where type can be fluid solid baffle Remarks The element type is set by defining a material with the starmats command Then elements are assigned a material number using the mate mt mti and mtv commands starbc STARCD boundary conditions regions part phase starbe i j kl i2 j2 k2 region id radiation id type where type can be inlet outlet symplane wall cyclic stagnation pressure baffle freestream transient attach radiation degas riemann internal npressure nrstagnation Copyright O 2007 by XYZ Scientific Applications Inc All Rights Reserved 12 July 19 2007 TrueGrid Output Manual For STARCD Remarks The region id and the radiation id are required by STARCD Only the region id is used in TrueGrid to choose the boundary condition to be displayed see t
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