看过的最好的FLUENT中文教程
description
Transcript of 看过的最好的FLUENT中文教程
-
FLUENT
I Alphanumeric Reporting Bibliography II
FLUENT
FLUENT z FLUENT
-
z
z FLUENT z FLUENT z
scalepartitionnonconformal.
z FLUENT and how to define boundary profiles and volumetric sources.
z FLUENT
z FLUENT
swirling
z FLUENT z FLUENT z
prePDF z NOx z FLUENT z FLUENT z FLUENT z Flows in Moving Zones FLUENT
z Solver FLUENT solver z explains the solution-adaptive mesh refinement feature in FLUENT
and how to use it z explains how to create surfaces in the domain on
which you can examine FLUENT solution data z FLUENT z Alphanumeric Reporting z FLUENT
z FLUENT z
FLUENT
z CFD FLUENT
-
z FLUENT FLUENT
z z z
z z z Using the Solver z -Alphanumeric Reporting
z FLUENT z FLUENT z FLUENT z
z "/", Define/Materials..
Define Materials... z Support Engineer Support Engineer CFD FLUENT
Support Engineer z z z z FLUENT
-
FLUENT FLUENT
FLUENT
///
FLUENT C FLUENT client/server
FLUENT Scheme LISP dialect
FLUENT FLUENT prePDF, PDF GAMBIT,
TGrid, filters (translators) CAD/CAE ANSYSIDEASNASTRANPATRAN Fluent "grid" "mesh"
-
GAMBIT
GAMBIT GAMBIT CAD/CAE Tgrid Tgrid FLUENT ANSYS(Swanson Analysis Systems, Inc.) I-DEAS (SDRC)MSC/ARIES,MSC/PATRAN MSC/NASTRAN ( MacNeal-Schwendler ) CAD/CAE CAD/CAE
FLUENT
PreBFC GeoMesh FLUENT GAMBIT preBFC GeoMesh
FLUENT
z 2D 3D //
z z z z z z z z z rotor/stator interaction modeling z z z z z / z z
FLUENT z Process and process equipment applications z / z z z z /HVAC/ z z
-
/FLUENT FLUENT NEKTON,FIDAPPOLYFLOWIcePak MixSim
FLUENT FLUENT
FLUENT (FLUENT 4 CFD )FLUENT 2D 3D
GAMBIT Tgrid CAD
CFD FLUENT
CFD CFD CFD FLUENT .
1. 22D3D2DDP3DDP 3 4 5 6 7 8. 8 9 10 11 12 13 14
GAMBIT CAD Tgrid CAD Tgrid FLUENT ()
-
FLUENT
FLUENT Define Menu Solve Menu Display Menu&Plot
MenuReport Menu
FLUENT UNIX Windows NT FLUENT
FLUENT FLUENT
UNIX FLUENT z z
case case
fluent 2d fluent 3dfluent 2ddpfluent 3ddp
-
Figure 1:
2d3d2ddp 3ddp GUI File/Run...
( FLUENT
Figure 2: FLUENT
1. 3D 3D 2D 2.
-
3. Run Run Case fluent
File/Read/Case.. File/Read/Case & Data.. case data case data read-case read-case-data File/Read/Case & Data... read-case-data case data .cas.dat.
Windows NT FLUENT Windows NT 4.0 FLUENT: Fluent.Inc FLUENT 6
MS-DOS fluent 2dfluent 3dfluent 2ddp fluent 3ddp MS-DOS fluent"Set Environment" Fluent.Inc
MS-DOS FLUENT n fluent-version-tntn 2d, 3d, 2ddp, 3ddp )n fluent 3d -t3 3 3D )
Windows NT 3.51 FLUENT FLUENT 5 MS-DOS fluent help
fluent [version] [-help] [options] options -cl following argument passed to fluent, -cxarg following argument passed to cortex, -cx host:p1:p2 connect to the specified cortex process, -driver [ gl | opengl | null | pex | sbx | x11 | xgl ],
sets the graphics driver (available drivers vary by platform), -env show environment variables, -g run without gui or graphics, -gu run without gui, -gr run without graphics, -help this listing, -i journal read the specified journal file, -nocheck disable checks for valid license file and server, -post run a post-processing-only executable, -project x write project x start and end times to license log, -r list all releases, -rx specify release x, -v list all versions, -vx specify version x,
-
-n no execute, -hcl following argument passed to fluent host, -loadx start compute nodes from host x, -manspa manually spawn compute nodes, -ncl following argument passed to fluent compute node, -px specify parallel communicator x, -pathx specify root path x to Fluent.Inc, -tx specify number of processors x,
Windows NT -driver, -env, -gu(), -help, -i journal, -r, -rx, -v, -vx,-tx
FLUENTCortexCortexFLUENT-cx host:p1:p2
fluent driverfluent -driver xgl fluent env FLUENT fluent g Cortex X-Windows fluent guCortex fluent gr Cortex ( Windows NT fluent gu FLUENT-i journal
fluent -i journaljournal -nocheck fluent post
-project x CPU -project xx CPU log CPU license.log USER CPU SYSTEM CPU
fluent version r version fluent rx FLUENT x fluent v fluent n -n
-hcl FLUENT -ncl FLUENT -loadx -manspa -px x x UNIX -pathx Fluent.Inc -tx x FLUENT
FLUENT
-
)
FLUENT 4 FLUENT/UNS RAMPANT()
FLUENT () 1.5 2
/PDF//Pollutant formation models//Rosseland //
Define/Models/Solver..
Figure 1:
FLUENT CD a cavity in the shape of a
-
60^?rhombus, 0.1 0.1m/s 500
Figure 1:
.
CD /fluent_inc/fluent5/tut/sample/cavity.msh File/Read/Case...
case FLUENT case File/Import
-
Figure 1:
cavity.msh FLUENT
Grid/Check Domain Extents: x-coordinate: min (m) = 0.000000e+00, max (m) = 1.500000e-01 y-coordinate: min (m) = 0.000000e+00, max (m) = 8.660000e-02 Volume statistics: minimum volume (m3): 7.156040e-05 maximum volume (m3): 7.157349e-05 total volume (m3): 8.660000e-03 Face area statistics: minimum face area (m2): 9.089851e-03 maximum face area (m2): 9.091221e-03 Checking number of nodes per cell. Checking number of faces per cell. Checking thread pointers. Checking number of cells per face. Checking face cells. Checking face handedness. Checking element type consistency.
-
Checking boundary types: Checking face pairs. Checking periodic boundaries. Checking node count. Checking nosolve cell count. Checking nosolve face count. Checking face children. Checking cell children. Done. Adapt Iso-Value... Display/Grid...
Display
Figure 1:
-
Figure 2:
FLUENT Define/Models Solver
FLUENT
Define/Models Define/Materials...
-
Figure 1:
1.0 kg/m^3 2*10^-5 kg/m-s Change/Create
Define/Boundary Conditions...
-
Figure 1:
Set...( Set...)
x 0.1 m/s 2 FLUENT wall-2 Set...
Figure 2: Moving Wall X 0.1(
-
Figure 3: OK
(wall-5)
Solve/Controls
Residual Plotting Solve/Monitors/Residual...Plot OK
-
Figure 1: Case
case data File/Write/Case... case
-
Figure 1: Case FLUENT OK cavity.cas
Solve/Initialize/Initialize... Figure 1. 0 Init
Figure 1:
Solve/Iterate...
Figure 1:
-
10 10
Figure 2: 10
Display/Velocity Vectors..
Figure 3:
-
Display
Figure 410
10 90 50
Figure 5:
-
case fluent case data FLUENT case data
case data File/Write/Case & Data...
Figure 1: case data
Case/Data FLUENT .cas .dat
cavity FLUENT case cavity.casdata cavity.dat OK cavity.cas FLUENT OK
Figure 2 FLUENT case data Display /Contours...
-
Figure 1: Contours Of Velocity... Stream FunctionLevels 10 Display
Figure 2:
FLUENT ExitFLUENT FLUENT FLUENT
-
Fluent
Fluent
FLUENT
(GUI) fluent
UNIX GUI ()
Figure 1: GUI
Console FLUENT
(TUI)(GUI)
-
Figure 1:
MS-DOS TUI Control-C X Window Windows NT UNIX 1 2
Windows NT 1 2Ctrl+Insert
Figure 1:Help
FLUENT Windows Alt
-
ESC
OK
-
XY
-
1. Filter
/ Filter ...
2. *.dat* dat *
3. XY-plot data XY File(s) Remove
4. Write Binary Files casedata radiation
5. OK XY OK
XY OK Windows NT Windows NT
-
z OK Cancel
z
Apply Display AdaptClose
Help Push Button
Check Button
-
Radio Buttons
Text Entry
Integer Number Entry
1 Key Factor of Increase Shift 10 Ctrl 100 Real Number Entry
10, -10.538, 50000.45 5.e-4)
-
Windows
-
Figure 1:
Ctrl+C
Windows NT UNIX Windows NT
Windows NT
Windows NT FLUENTmovesize closeFLUENT 1. Windows
2. 3.
Windows NT system Page Setup..
-
Color Color Gray Scale Monochrome Color Quality True Color RGB 65536
Mapped Color 256 Dithered Color 20 Clipboard Formats
Windows
Bitmap DIB Bitmap Metafile Windows Enhanced Metafile Windows Picture Format Vector 3D
Raster 3D
Printer Scale % Options Landscape Orientation (Printer)
-
landscapeportrait Reverse Foreground/Background (TUI)
(TUI) Scheme Lisp Scheme Scheme LISP 71 Scheme Scheme MIT
Scheme UNIX FLUENT> > adapt/ grid/ surface/ display/ plot/ view/ define/ report/ exit file/ solve/ / > display /display> set /display/set> q quit /display/set> q /display> /display> /file /display//file> /display /file /file
-
/display. /display//file> q /display> /display> /file start-journal jrnl Input journal opened on file "jrnl". /display> set-ambient-colorset-ambient-color, s-a-c, sac, sa lint lighting-interpolation li lights-on nt interpolation liin l-int Scheme Evaluation () Scheme > (define a 1) a > (+ a 2 3 4) 10
UNIX csh Cortex error pwd chdir ls alias Error Scheme Scheme Pwd Chdir Ls Alias
yes/no
-
filled grids? [no] shrink-factor [0.1] line-weight [1] title [""]
"1,2" 3 12a Control-C
16,
-2.4, .9e5, +1e-5 31 31, #b11111, #o37, #x1fIn Scheme, 2 2.0 1.9 1
yes no Yes y no n yes/no #t #f.
"red"
> (define fn "valve.ps") fn > hc fn fn, valve.psfn "valve.ps" FLUENT Scheme
-
().()'() element(1) [()] 1 element(2) [()] 10 element(3) [()] 100 element(4) [()] 1, 10, 100 element(1) [1] element(2) [10] element(3) [100] element(4) [()] 1000 element(5) [()] element(1) [1] element(2) [10] element(3) [100] () 1 10 element(1) [1] ,,'(11 12 13) 1, 10, 11, 12, 13 element(1) [1] () Scheme Scheme 1/3 () /foo> set-xy x-component [1.0] (/ 1 3) y-component [0.0] (sqrt (/ 8 9)) > (define (unit-y x) (sqrt (- 1.0 (* x x)))) unit-y /foo> set-xy x-component [1.0] (/ 1 3) y-component [0.0] (unit-y (/ 1 3)) Scheme "_" () Scheme shrink-factor [0.8] (/ _ 3)
-
UNIXFLUENT! (bang)UNIX!( FLUENTCortex > !rm junk.* > !vi script.rp
ls pwd UNIX ls pwd chdir
!ls !pwd UNIX FLUENT (!chdir!cd FLUENT Cortex ) chdir
FLUENT Cortex FLUENT > !pwd > !ls valve.* (FLUENT Cortex ) /home/cfd/run/valve valve1.cas valve1.msh valve2.cas valve2.msh
FLUENT Scheme ti-menu-load-string 1 (ti-menu-load-string "di ow 1") Scheme 0 1 0 1 (for-each (lambda (window view) (ti-menu-load-string (format #f "di ow ~a gr view rv ~a" window view)))
-
'(0 1) '(front back)) menu-load-string Scheme (for-each (lambda (window view) (cx-open-window window) (display-grid) (cx-restore-view view)) '(0 1) '(front back))
FLUENT (alias 'dg (lambda () (ti-menu-load-string "/di gr")))
dg ! ti-menu-load-string ti-menu-loadstring (ti-menu-load-string "open-window 1 gr") ; incorrect usage display/ display/ (ti-menu-load-string "display open-window 1 grid")
FLUENT Help Viewer GUI
Windows NT UNIX FLUENT Windows NT Windows NT Windows NT How to Use Help
Help Viewer
-
Context-Sensitive
Context-Sensitive Help Help/Context-Sensitive Help Help Viewer
User's Guide...Help/User's Guide...
Help Viewer Help Viewer Overview
Using Help...Help/Using Help...Help Viewer Using On-Line Help s GUI Help Viewer Help Viewer Help Viewer Help Viewer (Figure 1)
-
Figure 1:Help Viewer
Windows
Help Viewer Help Viewer Help Viewe Contents
-
Figure 1:
View
Help/Version ?
> ?dis display/: Enter the display menu. ? q quit > ? [help-mode]> di display/: Enter the display menu. [help-mode]> pwd
-
pwd: #[alias] (LAMBDA () (cx-send '(system "pwd"))) [help-mode]> q ? display/annotate Annotation text [""] ? Enter the text to annotate the plot with. Annotation text [""] ( UNIX )
FLUENT ( 3d)File/Run... FLUENT Cortex ( FLUENT ) Cortex FLUENT Cortex FLUENT 1. (Hostname)(Username) 2. FLUENT 3. Run "listen" Cortex FLUENT Listen Run Cortex FLUENT -cx host:p1:p2 host host Cortex p1:p2 fluent version -cx host:p1:p2 version host FLUENT Case case Apply Case
-
FLUENT FLUENT FLUENT UNIX UNIX UNIX C-shell FLUENT fluent -g < inputfile >&outputfile& Bourne/Korn-shell fluent -g < inputfile > outputfile 2>&1& z fluent FLUENT z -g z inputfile FLUENT z outputfile FLUENT
() z & UNIX
inputfile FLUENT rc example.cas solve/init/init it 50 wd example50.dat it 50 wd example100.dat exit case example.cas 100 case data case data rc file/read-case wd file/write-data FLUENT
-
(solve/init/init). fluent -g -i inputfile >&outputfile&
Exit
Windows
-
FLUENT grid, case,
data, profile, Scheme, journal case, data, profile, journal, transcript FLUENT FLUENT
FLUENT ( FLUENT ) FLUENT Grid GAMBIT, TGrid GeoMesh,
preBFC FLUENT
Third-Party Grid ANSYS, PATRAN, I-DEAS, NASTRAN, etc.
FLUENT
Case FLUENT FLUENT Data FLUENT FLUENT FLUENT/UNS Case FLUENT/UNS 3 or 4 FLUENT FLUENT/UNS Data FLUENT/UNS 4 FLUENT RAMPANT Case RAMPANT 2, 3, or 4 FLUENT RAMPANT Data RAMPANT 4 FLUENT FLUENT 4 Case FLUENT 4 FLUENT FIDAP 7 Neutral FIDAP 7 FLUENT Ray FLUENT FLUENT PDF prePDF FLUENT Journal FLUENT FLUENT Transcript FLUENT user Hardcopy FLUENT assorted Plot FLUENT FLUENT Profile user, FLUENT FLUENT Data Export FLUENT Other codes Scheme user FLUENT
FLUENT
Tilde expansion
FLUENT ( FLUENT )
-
case myfile FLUENT myfile.cas PDF ray
case, data, ray FLUENT
FLUENT TGrid case TGrid FLUENT
case, data, grid, PDF, ray
.ZFLUENT zcat .gz gunzip flow.msh.gzReading "| gunzip -c flow.msh.gz"...
file-name z Name z name.gz z name.Z z name.suffix z name.suffix.gz z name.suffix.Z
suffix .cas msh Windows NT gzip (.gz) compress Windows NT FLUENT ray FLUENT
Z gz flow.gz
-
case Writing "| gzip -cfv > flow.cas.gz"... case gzip cas Windows NT FLUENT gzip .Z rayFLUENT Tilde Expansion ( UNIX )
UNIX ~/~~username/~username "username"~/file case FLUENT file.cas ~/cases/file.casFLUENT file.cas
z %t
contours-%t.ps contours-0001.ps
z %i contours-%i.ps contours-0010.ps
z %
FLUENT myfile-%t.ps myfile-0001.ps myfile-0001.ps
FLUENT file/confirm-overwrite/text no
GAMBIT, TGrid, GeoMesh, preBFC CAD Fluent case
-
( wall-1, pressure-inlet-5, symmetry-2)
FLUENT File/Read/Case...GAMBIT, TGrid, GeoMesh, preBFCGAMBITGeoMesh TGrid preBFC TGrid GAMBIT GeoMesh preBFC preBFC ANSYS I-DEAS Universal NASTRAN PATRAN Neutral an Unpartitioned Grid File Through the Partition Filter TGrid
TGrid FLUENT FLUENT File/Read/Case...TGrid TGrid GAMBIT and GeoMesh Mesh
GAMBITGeoMeshFLUENT 5, FLUENT/UNS,RAMPANT FLUENT File/Read/Case... File/Read/Case... Case... preBFC
preBFC FLUENT File/Read/Case... MESH-RAMPANT/TGRI preBFC File/Import/preBFC Structured Mesh. ANSYS File/Import/ANSYS... I-DEAS Universal File/Import/IDEAS Universal... NASTRAN File/Import/NASTRAN... PATRAN Neutral File/Import/PATRAN...
METIS FluentFile/Import/Partition/Metis... FLUENT
-
case
file/reread-grid
Case Data FLUENT case data
FLUENT
FLUENT
case data data case case data FLUENT Case
Case Case case case File/Read/Case... case
case .cas FLUENT data
Data File/Read/Data.. File/Write/Data..
data .dat FLUENT Case Data Case data Case
Data File/Read/Case & Data...dat .cas File/Write/Case & Data...
Case Data
FLUENT
-
File/wite/utosave...
Figure 1: Case/Data
10 10FLUENT .casdatgz .Z case
FLUENT/UNS RAMPANT Case Data FLUENT/UNS 3 4 RAMPANT 2, 3, 4 case case
FLUENT/UNS case FLUENT RAMPANT case FLUENT
FLUENT/UNS 4 RAMPANT4 Data FLUENT
FLUENT 4 Case File/Import/FLUENT 4 Case...
FLUENT FLUENT 4 case
FIDAP 7 Neutral File/Import/FIDAP7...
FLUENT FIDAP7...
FLUENT
GUI Scheme FLUENT
-
transcript
case data
transcript
File/Write/Start Journal... Start Journal... Stop Journalmenu Stop Journal File/Write/Stop Journal
File/Read/Journal.. Transcript
Transcript FLUENT transcript GUI Scheme FLUENT transcript
Transcript
transcript transcript transcript
transcripting File/Write/Start Transcript...transcript Start Transcript... Stop Transcriptmenu Stop Transcript transcript
-
File/Read/Profile...
Write Profile (Figure 1)File/Write/Profile...
Figure 1:Write Profile
1. Define New Profiles 2. 3. 4. Write... FLUENT
-
field
case Write Currently Defined Profiles Write...
TGrid File/Write/Boundary Grid...
TIFF, PICT, PostScript
dump
(Figure 1).
File/Hardcopy...
Figure 1:
-
1. 2. () 3. 4. () 5. 6. dump 7. () 8.
Apply
EPS (Encapsulated PostScript) PostScript Adobe (v2) EPS PostScript EPS EPS
HPGL pen plotters HPGL
IRIS Image SGI IRIS
PICT Macintosh PICT "draw""paint"
PPM PostScript PostScript TIFF TIFF Window Dump ( UNIX )
PostScript, EPS, PICT PostScript, Encapsulated PostScript (EPS), HPGL, PICT IRIS , PICT, PostScript, Encapsulated PostScript, TIFF
Color Gray ScaleMonochrome PostScript
-
Gray Scale
display/set/rendering-options/device-info PostScript, EPS, PICT
Landscape Orientation landscape portrait Reverse Foreground/Background
FLUENT PostScript display/set/hardcopy/driver/post-format fast-raster raster rle-raster run-length vector
Window Dumps UNIX )
xwd xwd -id %w >
FLUENT %w ID (myfile.xwd)
%nmyfile%n.xwd
%n ImageMagick MIFF ImageMagick import -window %w.miff MIFF
() 8
-
TIFF 24
FLUENT AVSData ExplorerEnSight (MPGS)FASTFIELDVIEWI-DEASNASTRANPATRAN Tecplot EnSight FIELDVIEW FLUENT
Export (Figure 1). File/Export...
Figure 1:
1. 2. IDEAS UniversalNASTRAN PATRAN
3. FAST Solution NASTRAN Functions to Write
-
4. () IDEAS UniversalNASTRAN PATRAN (
/)()
5. Write... AVS AVS version 4 UCD Data Explorer EnSight( MPGS) FAST Plot3D FAST Solution FieldView Case+DataFLUENT case FIELDVIEW FieldView Data FIELDVIEW case FieldView Case+Data case FieldView Data case IDEAS Universal NASTRAN PATRAN Tecplot Scheme
Scheme scheme
Scheme File/Read/Scheme.. Scheme > (load "file.scm") File/Read/Journal.. file/read-journal source > . file.scm > source file.scm Fluent
-
FLUENT fluent
Scheme Scheme
cxlayout cxlayout cxlayout Cortex TGrid, FLUENT, FLUENT/UNS, RAMPANT, NEKTON, MixSim Case Data
FLUENT Case Data z z
z
Grid Data ()Case
case case
ID Scheme (xfile.scm) C (xfile.h) Fluent Inc Index: 0 Scheme symbol: xf-comment C macro: XF_COMMENT Codes: FLUENT, TGrid Status: optional
-
(0 "comment text") (0 "Variables:") (37 ( (relax-mass-flow 1) (default-coefficient ()) (default-method 0) )) Header Index: 1 Scheme symbol: xf-header C macro: XF_HEADER Codes: FLUENT, TGrid Status: optional (1 "TGrid 2.1.1") Index: 2 Scheme symbol: xf-dimension C macro: XF_DIMENSION Codes: FLUENT, TGrid Status: optional The dimensionality of the grid (2 ND) ND 2 3 Index: 10 Scheme symbol: xf-node C macro: XF_NODE Codes: FLUENT, TGrid Status: required (10 (zone-id first-index last-index type ND)( x1 y1 z1 x2 y2 z2
-
. . . )) ID index indextype ND (10 (0 1 2d5 0 2)) ID index index index index
Type TGrid FLUENT
ND x y
(10 (1 1 2d5 1 2)( 1.500000e-01 2.500000e-02 1.625000e-01 1.250000e-02 . . . 1.750000e-01 0.000000e+00 2.000000e-01 2.500000e-02 1.875000e-01 1.250000e-02 ))
() index index ID Shadow Index: 18 Scheme symbol: xf-periodic-face C macro: XF_PERIODIC_FACE Codes: FLUENT, TGrid Status: required only for grids with periodic boundaries
(18 (first-index last-index periodic-zone shadow-zone)( f00 f01
-
f10 f21 f20 f21 . . . )) first-index indexlast-indexperiodic-zone IDshadow-zone shadow ID
body (f*) index indexfirst-index last-index indexindex (18 (1 2b a c) ( 12 1f 13 21 ad 1c2 . . . )) Index: 12 Scheme symbol: xf-cell C macro: XF_CELL Codes: FLUENT, TGrid Status: required (12 (zone-id first-index last-index type element-type)) ID last-index element-type (12 (0 1 3e3 0)) 3e3 (hexadecimal) = 995 regular cell element-type element-type description nodes/cell faces/cell 0 mixed 1 triangular 3 3 2 tetrahedral 4 4 3 quadrilateral 4 4 4 hexahedral 8 6 5 pyramid 5 5
-
6 wedge 6 5 first-index last-index
type (type=1)(type=0x11, 17)parent(type = 0x20, or 32 decimal)element-type
FLUENT (element-type=0) (12 (9 1 3d 0 0)( 1 1 1 3 3 1 1 3 1 . . . ))
9 3d () = 61
TGrid Faces Index: 13 Scheme symbol: xf-face C macro: XF_FACE Codes: FLUENT, TGrid Status: required index 13 (13 (zone-id first-index last-index type element-type)) ID element-type n0 n1 n2 cr cl n*c* element index cr cl ,Handedness cr cl indexcr cl n2 (element-type = 0) type v0 v1 v2 c0 c1 type element-type face type nodes/face 0 mixed 2 linear 2 3 triangular 3 4 quadrilateral 4
-
bc name bc id interior 2 wall 3 pressure-inlet, inlet-vent, intake-fan 4 pressure-outlet, exhaust-fan, outlet-vent 5 symmetry7 periodic-shadow 8 pressure-far-field 9 velocity-inlet 10 periodic 12 fan, porous-jump, radiator 14 mass-flow-inlet 20 interface 24 parent (hanging node) 31 outflow 36 axis 37 10001003 Face Tree Index: 59 Scheme symbol: xf-face-tree C macro: XF_FACE_TREE Codes: FLUENT Status: only for grids with hanging-node adaption (59 (face-id0 face-id1 parent-zone-id child-zone-id) ( number-of-kids kid-id-0 kid-id-1 ... kid-id-n . . . )) face-id0 indexface-id1 indexparent-zone-id IDchild-zone-id IDnumber-of-kids kid-id-n ID TGrid Cell Tree
-
Index: 58 Scheme symbol: xf-cell-tree C macro: XF_CELL_TREE Codes: FLUENT Status: only for grids with hanging-node adaption (58 (cell-id0 cell-id1 parent-zone-id child-zone-id) ( number-of-kids kid-id-0 kid-id-1 ... kid-id-n .)) cell-id0 indexcell-id1 indexparent-zone-id IDchild-zone-id IDnumber-of-kids kid-id-n ID TGrid Interface Face Parents Index: 61 Scheme symbol: xf-face-parents C macro: XF_FACE_PARENTS Codes: FLUENT Status: only for grids with nonconformal interfaces (61 (face-id0 face-id1) ( parent-id-0 parent-id-1 )) face-id0 indexface-id1 indexparent-id-0 indexparent-id-1 index TGridTGrid
-
Figure 1
(0 "Grid:") (0 "Dimensions:") (2 2) (12 (0 1 3 0)) (13 (0 1 a 0)) (10 (0 1 8 0 2)) (12 (7 1 3 1 3)) (13 (2 1 2 2 2)( 1 2 1 2 3 4 2 3)) (13 (3 3 5 3 2)( 5 1 1 0 1 3 2 0 3 6 3 0)) (13 (4 6 8 3 2)( 7 4 3 0 4 2 2 0 2 8 1 0)) (13 (5 9 9 a 2)( 8 5 1 0)) (13 (6 a a 24 2)( 6 7 3 0)) (10 (1 1 8 1 2) (
-
1.00000000e+00 0.00000000e+00 1.00000000e+00 1.00000000e+00 2.00000000e+00 0.00000000e+00 2.00000000e+00 1.00000000e+00 0.00000000e+00 0.00000000e+00 3.00000000e+00 0.00000000e+00 3.00000000e+00 1.00000000e+00 0.00000000e+00 1.00000000e+00)) Figure 2 bf9 bf10
Figure 2: (0 "Dimensions:") (2 2) (0 "Grid:") (12 (0 1 3 0)) (13 (0 1 a 0)) (10 (0 1 8 0 2)) (12 (7 1 3 1 3)) (13 (2 1 2 2 2)( 1 2 1 2 3 4 2 3)) (13 (3 3 5 3 2)( 5 1 1 0 1 3 2 0 3 6 3 0)) (13 (4 6 8 3 2)( 7 4 3 0 4 2 2 0
-
2 8 1 0)) (13 (5 9 9 c 2)( 8 5 1 0)) (13 (1 a a 8 2)( 6 7 3 0)) (18 (1 1 5 1)( 9 a)) (10 (1 1 8 1 2)( 1.00000000e+00 0.00000000e+00 1.00000000e+00 1.00000000e+00 2.00000000e+00 0.00000000e+00 2.00000000e+00 1.00000000e+00 0.00000000e+00 0.00000000e+00 3.00000000e+00 0.00000000e+00 3.00000000e+00 1.00000000e+00 0.00000000e+00 1.00000000e+00))
Figure 3
Figure 3:
(0 "Grid:") (0 "Dimensions:") (2 2) (12 (0 1 7 0)) (13 (0 1 16 0)) (10 (0 1 d 0 2)) (12 (7 1 6 1 3)) (12 (1 7 7 20 3))
-
(58 (7 7 1 7)( 4 6 5 4 3)) (13 (2 1 7 2 2)( 1 2 6 3 1 3 3 4 1 4 4 5 1 5 5 6 6 7 1 2 5 8 2 6 9 5 2 5)) (13 (3 8 b 3 2)( a 6 1 0 6 9 2 0 4 b 4 0 9 4 5 0)) (13 (4 c f 3 2)( 2 8 6 0 c 2 3 0 8 7 2 0 7 d 1 0)) (13 (5 10 10 a 2)( d a 1 0)) (13 (6 11 12 24 2)( 3 c 3 0 b 3 4 0)) (13 (b 13 13 1f 2)( c 8 7 0)) (13 (a 14 14 1f 2)( b c 7 0)) (13 (9 15 15 1f 2)( 9 b 7 0)) (13 (8 16 16 1f 2)( 9 8 2 7)) (59 (13 13 b 4)(
-
2 d c)) (59 (14 14 a 6)( 2 12 11)) (59 (15 15 9 3)( 2 b a)) (59 (16 16 8 2)( 2 7 6)) (10 (1 1 d 1 2) ( 2.50000000e+00 5.00000000e-01 2.50000000e+00 1.00000000e+00 3.00000000e+00 5.00000000e-01 2.50000000e+00 0.00000000e+00 2.00000000e+00 5.00000000e-01 1.00000000e+00 0.00000000e+00 1.00000000e+00 1.00000000e+00 2.00000000e+00 1.00000000e+00 2.00000000e+00 0.00000000e+00 0.00000000e+00 0.00000000e+00 3.00000000e+00 0.00000000e+00 3.00000000e+00 1.00000000e+00 0.00000000e+00 1.00000000e+00)) Case
Index: 39 Scheme symbol: xf-rp-tv C macro: XF_RP_TV Codes: FLUENT Status: optional (39 (zone-id zone-type zone-name)( (condition1 . value1) (condition2 . value2)
-
(condition3 . value3) .)) (39 (zone-id zone-type zone-name)()) zone-id axisexhaust fanfanfluidinlet ventintake faninterfaceinterior mass-flow-inletoutlet ventoutflowperiodicporous-jumppressure-far-fieldpressure-inletpressure-outletradiatorshadowsolidsymmetryvelocity-inletwall interior, fan, porous-jump, radiator Interior FLUENT wallcell (element) fluid solid Scheme (Scheme symbol) z z ! %&* / : < = > ? _ ^ . + - inlet-port/cold!, eggs/easy, e=m*c^2 (39 (1 fluid fuel)()) (39 (8 pressure-inlet pressure-inlet-8)()) (39 (2 wall wing-skin)()) (39 (3 symmetry mid-plane)()) Index: 40 Scheme symbol: xf-partition C macro: XF_PARTITION Codes: FLUENT Status: only for partitioned grids (40 (zone-id first-index last-index partition-count)(
-
p1 p2 p3 . pn )) p1 ID first-index p2 ID first-index+1 pn ID lastt-index ID 0 partition-count-1 partition-count Index: 33 Scheme symbol: xf-grid-size C macro: XF_GRID_SIZE Codes: FLUENT Status: optional (33 (n-elements n-faces n-nodes)) Data Field Index: 300 Scheme symbol: xf-rf-seg-data C macro: XF_RF_SEG_DATA Codes: FLUENT Status: required case (300 (sub-section-id zone-id size n-time-levels n-phases first-id last-id) ( data for cell or face with id = first-id data-for-cell-or-face with id = first-id+1 .. data-for-cell-or-face with id = last-id
-
)) sub-section-id 1 2 Fluent Inc (xfile.h)Zone-id ID case ID Size (1 2 3 )N-time-levels n-phases (300 (2 16 2 0 0 17 100) (8.08462024e-01 8.11823010e-02 8.78750622e-01 3.15509699e-02 1.06139672e+00 -3.74040119e-02 ... 1.33301604e+00 -5.04243895e-02 6.21703446e-01 -2.46118382e-02 4.41687912e-01 -1.27046436e-01 1.03528820e-01 -1.01711005e-01 )) Index: 301 Scheme symbol: xf-residuals C macro: XF_RF_SEG_RESIDUAL Codes: FLUENT Status: optional (301 (n residual-subsection-id size)( r1 r2 . . . rn )) n size (1 2 3 ) Residual-subsection-id xfile.h C Fluent Inc
-
Fluent
FLUENT FLUENT
FLUENT FLUENT
FLUENT FLUENT
FLUENT z z () z z XY z
Kelvin Rankine Celsius Kelvin Kelvin Fahrenheit Rankine Rankine
FLUENT
FLUENT FLUENT British, SI, CGS, "default."
Set All To Define/Units...
-
Figure 1:
british si CGS (centimeter-gram-second) cgs default
List FLUENT
FLUENT
1. 2.
0.0254 meters/inch 1 273.15
1. 2. New...
-
Figure 1:
3. 4. OK
3600 OK feet/min
smy
sftmftx =
60min3048.0
min
-
FLUENT
FLUENT
FLUENT
ijk FLUENT FLUENT
Figure 1:
-
FLUENT 111 FLUENT O C Note that while FLUENT does not require a cyclic branch cut in an O-type grid it will accept a grid that contains one.
Figure 1:
Figure 2:
Figure 3:
-
Figure 4: O
Figure 5:
Figure 6: C
-
Figure 7:
Figure 8: Unstructured Triangular Grid for an Airfoil
Figure 9:
-
Figure 10:/
Figure 11: for a Rotor-Stator Geometry
FLUENT
z z z
FLUENT 4 FLUENT FLUENT FLUENT
-
///
z z
z FLUENT z
z
//
.
z x (Figure 1).
-
Figure 1: x z GAMBIT TGrid
GeoMesh CAD TGrid GeoMesh CAD 1. 2. GAMBIT TGrid GeoMesh CAD
FLUENT make-periodic ( TGrid )
skewness
1x
p vuy
py = u = v = X =
Blasius [139]
-
5 CPU CPU /
FLUENT
90 60 5:1
FLUENT GAMBIT TGrid GeoMesh preBFC ICEMCFD I-DEAS NASTRAN PATRAN ARIES ANSYS FLUENT/UNS RAMPANT FLUENT 4 case
GAMBIT GAMBIT // GAMBIT
FLUENT 5 FLUENTFile/Read/Case...
GeoMesh GeoMesh
GeoMesh TGrid FLUENT File/Read/Case...
TGrid
-
TGrid / TGrid FLUENT File/Write/Mesh... File/Read/Case...
preBFC preBFC FLUENT //
preBFC
70 35 File/Import/preBFC Structured Mesh... preBFC FLUENT tfilter fl42seg inputflile outputfile File/Read/Case... FLUENT
preBFC
MESH-RAMPANT/TGRID RAMPANT FLUENT RAMPANT File/Read/Case... preBFC TGrid TGRID TGrid
ICEMCFD ICEMCFD FLUENT 4 RAMPANT
ICEMCFD CAD FLUENT fe2ram CAD I-DEAS
NASTRAN PATRAN ANSYS I-DEAS Universal FLUENT I-deas
1. I-DEAS TGrid B TGrid TGrid
2. I-DEAS File/Import/IDEAS Universal... FLUENT
3. I-DEAS fe2ram Universal FLUENT File/Read/Case... FLUENT Universal
15 781 2411 780 2412 752 2417 2429
z // Universal
FLUENT I-DEAS Group FLUENT
-
FLUENT
GROUPE I-DEAS FLUENTFLUENT
I-DEAS FLUENT I-DEAS
NASTRAN NASTRAN FLUENT
1. NASTRAN TGrid B TGrid TGrid
2. NASTRAN File/Import/NASTRAN.. FLUENT
3. NASTRAN fe2ram NASTRAN FLUENT File/Read/Case... NASTRAN
FLUENT NASTRAN GRID GRID* CBAR CTETRA CTRIA3 CHEXA CQUAD4 CPENTA
z FLUENT NASTRAN
PATRAN Neutral FLUENT
1. PATRAN TGrid B TGrid TGrid
2. PATRAN File/Import/ PATRAN... FLUENT
3. PATRAN fe2ram PATRAN FLUENT File/Read/Case... PATRAN
FLUENT PATRAN
Packet Type 01
-
Packet Type 02 Packet Type 21
z PATRAN Named Component FLUENT FLUENT ANSYS Prep7
FLUENT 1. ANSYS ARIES
PATRAN TGrid B TGrid TGrid
2. PATRAN File/Import/ANSYS... FLUENT
3. ANSYS fe2ram ANSYS Prep7 FLUENT File/Read/Case... PATRAN
FLUENT Prep7
N EN NSEL ESEL
STIF63
fe2ram
CAD FLUENT tfilter fe2ram [dimension] format [zoning] input-file output-file
-d2-tANSYS ANSYS -tIDEAS I-DEAS -tNASTRAN NASTRAN -tPATRAN PATRAN CAD tfilter fe2ram -cl helpZoning CAD -zID -zNONE zoning input-file output-file
I-DEAS sample.unv sample.grd tfilter fe2ram -d2 -tIDEAS sample.unv sample.grd
FLUENT/UNS RAMPANT Case FLUENT/UNS 3 4 case RAMPANT 2, 3, 4 case
File/Read/Case... FLUENT
-
FLUENT 4 Case FLUENT 4 Case FLUENT
File/Import/FLUENT 4 Case... FLUENT 4 case
FLUENT 4 FLUENT tfilter fl42seg input-filename output-filename File/Read/Case... FLUENT FIDAP 7 Neutral
FIDAP 7 Neutral FLUENT File/Import/FIDAP7... FLUENT 4 case tfilter fe2ram [dimension] -tFIDAP7 input-file output-file-d2 File/Read/Case... FLUENT
z z
FLUENT 1. 2. fl42seg
FLUENT 3. TGrid tmerge TGrid
tmerge /
1. TGrid TGrid 2.
Tgrid tmerge
1. tfilter tmerge3d () tfilter tmerge2d (). 2.
/ user@mymachine:>tfilter tmerge2d Starting /Fluent.Inc/tfilter2.5/ultra/tmerge2d/tfilter.2.0.16 Append 2D grid files. tmerge2D Fluent Inc, Version 2.0.16 Enter name of grid file (ENTER to continue):my1.msh x,y scaling factor, eg. 1 1 : 1 1
-
x,y translation, eg. 0 1 : 0 0 rotation angle (deg), eg. 45 : 0 Enter name of grid file (ENTER to continue):my2.msh x,y scaling factor, eg. 1 1 : 1 1 x,y translation, eg. 0 1 : 0 0 rotation angle (deg), eg. 45 : 0 Enter name of grid file (ENTER to continue): Enter name of output file :final.msh Reading... node zone: id 1, ib 1, ie 1677, typ 1 node zone: id 2, ib 1678, ie 2169, typ 2 done. Writing... 492 nodes, id 1, ib 1678, ie 2169, type 2. 1677 nodes, id 2, ib 1, ie 1677, type 1. done. Appending done.
tfilter tmerge2d -cl -p my1.msh my2.msh final.msh 3.
` Fuse Face Zones
FLUENT
FLUENT
FLUENT
( Figure 1)( Figure 2)FLUENT
-
Figure 1:
Figure 2:
Figure 3 A-BB-CD-E E-F a-dd-bb-e e-c(d-b, b-e, e-c)(a-d) IV D-E d-b b-e I III IV
Figure 3:
z
90
z
-
()
z
z z
FLUENT/UNS RAMPANT FLUENT/UNS RAMPANT
FLUENT
FLUENT FLUENT 1. FLUENT 2.
Define/Boundary Conditions... 3. (Figure 1) Define/Grid Interfaces...
Figure 1:
1. 2.
3. 4. 5.
()
-
FLUENT/UNS RAMPANT Case
FLUENT/UNS RAMPANT FLUENT FLUENT define/grid-interfaces/recreatetext FLUENT FLUENT/UNS RAMPANT data
FLUENT X Grid/Check
Grid Check Domain Extents: x-coordinate: min (m) = 0.000000e+00, max (m) = 6.400001e+01 y-coordinate: min (m) = -4.538534e+00, max (m) = 6.400000e+01 Volume statistics: minimum volume (m3): 2.782193e-01 maximum volume (m3): 3.926232e+00 total volume (m3): 1.682930e+03 Face area statistics: minimum face area (m2): 8.015718e-01 maximum face area (m2): 4.118252e+00 Checking number of nodes per cell. Checking number of faces per cell. Checking thread pointers. Checking number of cells per face. Checking face cells. Checking face handedness. Checking element type consistency. Checking boundary types: Checking face pairs. Checking periodic boundaries. Checking node count. Checking nosolve cell count. Checking nosolve face count.
-
Done.
XY Z Iso-Value Adaption
FLUENT
x x x
FLUENT FLUENT FLUENT
FLUENT
Grid/Info/Size
Grid Information Level Cells Faces Nodes Partitions 0 48 82 35 1 Grid/Info/Zones FAS Grid Information Level Cells Faces Nodes Partitions 0 48 82 35 1 1 18 52 0 1 2 7 37 0 1
-
3 3 27 0 1 4 1 20 0 1
FLUENT
Grid/Info/Memory Usage UNIX Windows NT UNIX z z heap z Windows NT z RAM heap z Windows NT heap z z z FLUENT heap
z heap Windows NT FLUENT
fl542s.execx332.exe ()fl542.exe () fl_smpi542.exe ()
Grid/Info/Zones Zone sizes: 21280 hexahedral cells, zone 4. 532 quadrilateral velocity-inlet faces, zone 1. 532 quadrilateral pressure-outlet faces, zone 2. 1040 quadrilateral symmetry faces, zone 3. 1040 quadrilateral symmetry faces, zone 7. 61708 quadrilateral interior faces, zone 5. 1120 quadrilateral wall faces, zone 6. 23493 nodes.
Partition
-
Grid/Info/Partitions menu item.
case data case case
FLUENT
Grid /Scale...
Figure 1:
1.
0.0254 / 0.3048 /
-
/ 2. Scale
FLUENT 3.
UnScale "Unscaling"( m Scale ) 5 8 2 10 16
x x XY Grid/Translate
Figure 1:
1. 2.
-
Grid/Merge...
Figure 1:
FLUENT
imposing
1.
2. 3.
case
FLUENT
case
-
89 90
ID
(Figure 1) Grid/Separate/Faces...
Figure 1:
1. (Angle, Face, Mark, Region) 2. 3. z
-
z 4. Report Zone not separated. 45 faces in contiguous region 0 30 faces in contiguous region 1 11 faces in contiguous region 2 14 faces in contiguous region 3 Separates zone 4 into 4 zone(s). 5. Separate FLUENT 45 faces in contiguous region 0 30 faces in contiguous region 1 11 faces in contiguous region 2 14 faces in contiguous region 3 Separates zone 4 into 4 zone(s). Updating zone information ... created zone wall-4:001 created zone wall-4:002 created zone wall-4:010 done.
Figure 1:
IDGrid/Separate/Cells..
-
Figure 2:
1. (Mark Region) 2. 3. 4. Report Zone not separated. Separates zone 14 into two zones, with 1275 and 32 cells. 5. Separate FLUENT Separates zone 14 into two zones, with 1275 and 32 cells. No faces marked on thread, 2 No faces marked on thread, 3 No faces marked on thread, 1 No faces marked on thread, 5 No faces marked on thread, 7 No faces marked on thread, 8 No faces marked on thread, 9 No faces marked on thread, 61 Separates zone 62 into two zones, with 1763 and 58 faces. All faces marked on thread, 4 No faces marked on thread, 66 Moved 20 faces from face zone 4 to zone 6 Updating zone information ... Moved 32 cells from cell zone 14 to zone 10 created zone interior-4 created zone interior-6 created zone fluid-14:010 done.
-
case Grid/modify-zones/make-periodic IDshadow /grid/modify-zones> mp Periodic zone [()] 1 Shadow zone [()] 4 Rotational periodic? (if no, translational) [yes] n Create periodic zones? [yes] yes computed translation deltas: -2.000000 -2.000000 all 10 faces matched for zones 1 and 4. zone 4 deleted Created periodic zones. matching-tolerance 0.5Grid/modify-zones/matching-tolerance
slit
Grid/modify-zones/slit-periodic ID /grid/modify-zones> sp periodic zone [()] periodic-1 Separated periodic zone.
Fusing
(
-
Grid/Fuse...
Figure 1:
ID tmerge TGrid ID
1. 2. Fuse
() 0.5
O C FLUENT ()
fuse-face-zonesGrid/modify-zones/fuse-face-zones IDmatching-tolerance
z z
-
shadow shadow
"slitting""separating"
Grid/modify-zones/slit-face-zone ID /grid/modify-zones> slfz face zone id/name [] wall-4 zone 4 deleted face zone 4 created face zone 10 created case data
DomainZones
Grid/Reorder domain zones Domain
Grid/Reorder/Domain
Grid/Reorder/Print Bandwidth
Cuthill-McKee seed cell Gibbs, Poole, Stockmeyer[57]
ID
-
>> Reordering domain: zones, cells, faces, done. Bandwidth reduction = 809/21 = 38.52 Done. Maximum cell distance = 21
FLUENT Figure 1 FLUENT case FLUENT "Cartesian Strip"
Figure 1:
z
-
z z
FLUENT Bisection
( Figure 1) X-, Y-, Z ( Figure 2.) R RX-, RY-, RZ , R-, Theta-, Z-, ( Figure 3) FLUENT ( Figure 4) X-, Y-, Z-( Figure 4) R- Theta-( Figure 5) Rho-, Theta-, Phi-
-
Figure 1:
Figure 2: X-
Figure 3:
-
Figure 4: X-
Figure 5: Theta-
pre-testing()
( Figure 1)
( Figure 2.)
-
Figure 1:
Figure 2: Pretesting FLUENT
1. 2.
3.
4. / Grid/Partition...
-
Figure 1:
1. 2. Number 3. 4. Do 5. Pre-Test 6. Zones / Registers / 7.
Verbosity 1 2 ID Verbosity 0
Print Partitions ID
Default FLUENT
-
Default Reset Reset Default Reset Default
ID 0 3 (10) 1 2 (19) 10 19 >> Partitions: P Cells I-Cells Cell Ratio Faces I-Faces Face Ratio Neighbors 0 134 10 0.075 217 10 0.046 1 1 137 19 0.139 222 19 0.086 2 2 134 19 0.142 218 19 0.087 2 3 137 10 0.073 223 10 0.045 1 ------ Partition count = 4 Cell variation = (134 - 137) Mean cell variation = ( -1.1% - 1.1%) Intercell variation = (10 - 19) Intercell ratio variation = ( 7.3% - 14.2%) Global intercell ratio = 10.7% Face variation = (217 - 223) Interface variation = (10 - 19) Interface ratio variation = ( 4.5% - 8.7%) Global interface ratio = 3.4% Neighbor variation = (1 - 2) Computing connected regions; type ^C to interrupt. Connected region count = 4
5 Figures 1 Cell Info...()
FLUENT
File/Import/Partition/Metis...FLUENT
-
tfilter partition input-filename partition-count output-filenamepartition-count
METIS METIS Minnesota Army HPC Karypis Kumar METIS [79]
-
FLUENT
repeating, and pole boundaries:() ()
(Figure 1)
Define/Boundary Conditions...
Figure 1:
: 1.
-
2. 3.
(
),
(.)
Figure 1:
FLUENT
1.2. Set...1.
2..
1.2.
pressure-inlet-7
-
small-inlet large-inlet() 1. 2. Set...3. 4. OK
(UDF)
FLUENT
FLUENT FLUENT z z z
z
z
z
z
z
z
z
-
FLUENT
z Spalart-Allmaras
m_t/m FLUENT
z k-e K Epsilon Turb. Kinetic EnergyTurb. Dissipation Rate
z K Epsilon Turb. Kinetic EnergyTurb. Dissipation Rate
I u_avg u^' 1% 10%
0.05%.
( ) 81Re16.0 HD
avguuI
-
50000 4% l l
L Ll 07.0=
L 0.07 L
L
Ll 07.0= L l z
L=D_H z
L z
d_99 l l=0.4 d_99 m_t/m (Re_t ?k^2/(e n))Re_t
(100 1000) m_t/m 1 < m_t/m
-
k e E m_t/m k
12
=
tkC
C 0.09
k e
/
LkU
k k ( k 10%), U
L Equation 9
k U ?k/?x = - e. e 7 m_t/m
FLUENT e
K Epsilon 3 I k
RSM k
0=jiuu
kuu32=
( a ). K FLUENT
LES LES .
-
/
z z z z z z ( P-1 DTRM DO ) z () z ( PDF ) z () z () z () (Figure 1)
-
Figure 1:
(p_s^')(p_s^' or p_0^') r_0 g x FLUENT
ss pgxp += 0
xpg
xp ss +=
0 (r - r_0)g
(p^'_s)
Gauge Total Pressure field Total Temperature field
20 vpp s +=
-
( )1
20 2
11
+= Mpp s
p_0 = p_s = M = c = (c_p/c_v)
1 v 1 3 1 3
x, y, z ()
Figure 1 1. 2.
3. 3
(X, Y, Z)
z z z z
-
Figure 1:
4. z X, Y, (in 3D)
Z z
z
X, Y, Z
(termed the Supersonic/Initial Gauge Pressure)
FLUENT Supersonic/Initial Gauge PressureSupersonic/Initial Gauge Pressure
-
P-1 DTRM DO (Rosseland )
PDF/
PDF
VOFcavitation VOF cavitation Gauge Total Pressure 0 Supersonic/Initial Gauge Pressure 0 Total Temperature 300 X-Component of Flow Direction 1 Y-Component of Flow Direction 0 Z-Component of Flow Direction 0 Turb. Kinetic Energy 1 Turb. Dissipation Rate 1
-
FLUENT
FLUENT p_0
20 21 vpp s +=
( )1
2
0
00
211
+=++ Mpppp
ps
p
sRTv
cvM ==
p_op p_0^' p_s^' ( ) sps RTpp 0+=
R
202
11 MTTs
+=
-
FLUENT
z z z z Outflow gauge pressure (for calculations with the coupled solvers) z z ( P-1 DTRM DO ) z z PDE z z z ()
Figure 1:
-
FLUENT 1. 2. 3. 4.
z X, Y,
() Z z ,
z
X, Y, Z- X, Y, Z- Figure 1
z X, Y,
() Z z z
z
X, Y, Z- X, Y, Z-
W W
W, v_q W r r FLUENT v_q W r
-
( RAMPANT
P-1 DTRM DO (Rosseland )
PDF/
PDF
VOFcavitation VOF cavitation
-
Temperature 300 Velocity Magnitude 0 X-Component of Flow Direction 1 Y-Component of Flow Direction 0 Z-Component of Flow Direction 0 X-Velocity 0 Y-Velocity 0 Z-Velocity 0 Turb. Kinetic Energy 1 Turb. Dissipation Rate 1 Outflow Gauge Pressure 0 FLUENT FLUENT
= dAvm &
FLUENT
Outflow Gauge Pressure field
/
-
/
z z z z z z ( P-1 DTRM DO ) z z PDE z z
-
Figure 1:
FLUENT 1. 2. (2p-radian) 1-radian Mass Flux (2p-radian) 1-radian
-
(termed the Supersonic/Initial Gauge Pressure)
FLUENT Supersonic/Initial Gauge PressureSupersonic/Initial Gauge Pressure
Figure 1 1. 2.
3. 3 (X, Y, Z)
z X, Y, () Z
z ,
P-1 DTRM DO (Rosseland )
PDF/
-
PDF
Mass Flow-Rate 1 Total Temperature 300 Supersonic/Initial Gauge Pressure 0 X-Component of Flow Direction 1 Y-Component of Flow Direction 0 Z-Component of Flow Direction 0 Turb. Kinetic Energy 1 Turb. Dissipation Rate 1
m(dot) r v ()FLUENT
Amv&=
r v r v
-
RTp = v r v r k v
z z z z z z ( P-1 DTRM DO ) z z PDE z z z () z
-
Figure 1: FLUENT D p
2
21 vkp L =
r k_L D p
-
z z z z z z ( P-1 DTRM DO ) z z PDE z z z () z
-
Figure 1:
gauge
-
FLUENT z z z z z z PDE z z () z ( P-1 DTRM DO ) z
Figure 1:
Gauge
FLUENT gauge
-
rv
rp 2
r v_q z z
z
z PDF
z
z
VOF Cavitation ASM z Gauge
1 1 3
P-1 DTRM DO (Rosseland )
-
Default settings (in SI) for pressure outlet boundary conditions are as follows: Gauge Pressure 0 Backflow Total Temperature 300 Backflow Turb. Kinetic Energy 1 Backflow Turb. Dissipation Rate 1
FLUENT p_s
FLUENT
20
z z z z z z ( P-1 DTRM DO ) z z Figure 1
-
Figure 1:
Gauge X, Y ()Z
P-1 DTRM DO (Rosseland )
-
Default settings (in SI) for pressure far-field boundary conditions are as follows: Gauge Pressure 0 Mach Number 0.6 Temperature 300 X-Component of Flow Direction 1 Y-Component of Flow Direction 0 Z-Component of Flow Direction 0 Turb. Kinetic Energy 1 Turb. Dissipation Rate 1
12=
cVR n
12= i
nicVR
i
V_n c c ? i
( )+= RRV ini 21
( )= RRc i41
V_n c V_n, c,
FLUENT FLUENT
-
z z z FLUENT FLUENT z z
FLUENT
FLUENT /
z
(D)(C)
-
Figure 1: z (B)
(B)
z (A)FLUENT FLUENT (FLUENT )
FLUENT
Figure 1: The Outflow Panel
weightingrateflowofsumboundaryonspecifiedweightingrateflow
boundarythroughflowpercentage =
1FLUENT 75% 25% 0.75 0.25 0.75 1 Boundary 1 = 0.75/0.75+1.0 = 0.429 42.9%
-
Boundary 2 = 1.0/0.75+1.0 = 0.571 57.1% P-1 DTRM DO 1 300
z z z z z z PDE z z () z ( P-1 DTRM DO ) z z Figure 1
-
Figure 1:
D p v
2
21 vkp L =
r k_L D p
z z z z z z PDE z
-
z () z ( P-1 DTRM DO ) z z Figure 1
Figure 1: The Exhaust Fan Panel FLUENT
-
( FLUENT ) z z z z z z z ( P-1 DTRM DO ) z FLUENT z z z z z / Figure 1
-
Figure 1:
1 3
FLUENT 1
FLUENT
D x/k k D x 2 T_b
-
Figure 2:
FLUENT z (
)
z () 3 T_b1 T_b2 k_w1 k_w2 3
-
Figure 3:
-
Figure 1:
(X,Y,Z )
-
(0,0,0)(X,Y,Z) z x (0,0) () / FLUENT x, y, z
Figure 1:
-
(1/k)( B)
Byu
Euu p
w
p
=
**
ln1
u^* = C_m^1/4k^1/2 B B () B K_s ^+ = r K_s u^*/m K_s u^* = C_m^1/4k^1/2 B K_s^+ K_s^+ z (K_s^+ < 3 ~ 5) z (3 ~ 5 < K_s^+ < 70 ~ 90) z (K_s^+ > 70 ~ 90)
FLUENT B Nikuradse's [27] Cebeci Bradshaw
(K_s^+ < 2.25) 0=B
(2.25 < K_s^+ < 90)
( ){ }811.0ln4258.0sin25.87
25.2ln1
+= +++
ssKs KKCKB
s C_K_s
(K_s^+ > 90)
( )++= sK KCB s1ln1 B (K_s^+) 1
K_s C_K_s K_s K_s(D_50)K_s
-
(C_K_s)(C_K_s = 0.5) k-e Nikuradse's(C_K_s = 0.5 ~ 1.0) C_K_s K_s FLUENT Dirichlet 1.
Figure 1:
2. Dirichle FLUENT
-
P-1 DTRM DO (Rosseland FLUENT 1 DO )
FLUENT FLUENT
nv
w =
-
( ) radfwf qTThq += h_f = T_w = T_f = q^"= q^"_rad= 1 9
( ) radswn qTTnkq +=
k_s = T_s = D n = FLUENT 1
ff
radw Th
qqT +=
( )s
n
radw Tk
nqqT +=
FLUENT heat sink
( ) ( )wextextradswf TThqTThq =+= h_ext = T_ext = q^"_rad =
-
( ) ( )44 westradswf TTqTThq =+= e_ext= s=Stefan-Boltzmann T_w = T_?=sink q^"_rad= Equation 1
( ) ( ) ( )44 wextwextestradfwf TTTThqTThq +=+= Equation 1 Fourier FLUENT
wall
f nTkq =
n FLUENT [93] / 1 FLUENT
-
z z
Figure 1:
Figure 2:
-
Figure 3:
/FLUENT FLUENT4 FLUENT4 FLUENT4
-
Figure 1:
Figure 1:
-
Figure 2:
Figure 3:
() Grid/Check
-
FLUENT FLUENT4
Figure 1:
FLUENT
k-e Spalart-Allmaras DO
-
Figure 1:
k-e Spalart-Allmaras /
-
z z x (0,0) () X, Y, Z DO
DO
-
Figure 1:
z z x (0,0) ()
-
X, Y, Z
DO
/
z
FLUENT
z (Darcy)
= =
+=3
1
3
1 21
j jjjijjiji vvCvDS
S_i i (x, y, or z)D C
-
jjii vvCvS
21
2+= a C_2 D C 1/a C_2 FLUENT
( )i
CC
ji vvCvCS1
0011 ==
C_0 C_1 C_0 Darcy C_2 Darcy
=p
=
=3
1jxj
xjx nvp
=
=3
1jyj
yjy nvp
=
=3
1jzj
zjz nvp
1/a_ij 1 D v_j D n_x D n_y D n_z
1/a_ij .
1 C_2
=
= 3
12 2
1j
jjiji
vvCxp
-
=
=3
12 2
1j
jjxxjx vvnCp
=
=3
12 2
1j
jjxyjy vvnCp
=
=3
12 2
1j
jjxzjz vvnCp
FLUENT
( )( ) ( )( ) hshf
k
iik
jjj
iieff
ifif
issff
SSxu
DtDpJh
xxTk
xhu
xhh
t
++
++
=
+
1
1
h_f= h_s= f= k_eff= S^h_f= S^h_s= k_eff
( ) sfeff kkk += 1 f= k_f= k_t k_s=
FLUENT
-
k-e Spalart-Allmaras m_t FLUENT m_t 1. 2. 3. 3 1/a_ij
3 C_2_ij 4. 5.
6. 7. / / 5 C_0 C_1
-
Figure 1:
//
-
/ z 1. z 1 2
(0,0)(0,0,0)(X,Y)(X,Y,Z)
z 1. "Snap"
2. 3.
FLUENT 1
z 1. 2. (0,0,0)
(X,Y,Z)FLUENT
3. () 0.
Figure 1:
z
1.
-
2. FLUENT
z 1. "Snap"
2. 3.
FLUENT
2. 1/a C_2 1 2 3q z
z
z
FLUENT 100% 1/a_ij / C_2_ij FLUENT C_2 25% 0.5%25 K_L 0.5
= 2 %2521
openL vKp
C_2 FLUENT 1. 100% 2. K_L' 100%
-
= 2 %10021
openL vKp v_25% open = 4 v_100% open,
8145.0
2
2%100
2%25 =
==
open
openLL v
vKK
8 1.0 mm
132 800010
8
=== mthickness
KC L
Ergun [49]
( ) ( )VvDD
ppp
33
2
2175.11150
+=
Blake-Kozeny[49]
( ) 3
2
21150 =
pDp
m D_p e Darcy 1 9 1
( )232
1150 =
pD
( )32
15.3=
pDC
Van Winkle [146][121]
( ) ( )( )212 Pf AACAm = & m(dot)= A_f= A_p=)
-
C= D/t D/t= t/D > 1.6 Re > 4000 C 0.98 17
pAm =& D x = t
( )tAA
Cv
xp fp 11
21
2
22
= v 1 C_2
( )tAA
CC fp
112
22
= Blake-Kozeny( 11)[70] f Q 0.262 0.25 0.258 0.26 0.221 0.40 0.218 0.41 0.172 0.80
Q = 2a a Darcy 1 5 C_0 C_1 C_0 C_1 f 1.0
-
1.0 /FLUENT FLUENT bulk k-e Spalart-Allmaras a C_2 gauge FLUENT 1/a_ij C_2_i,j 1000 XY z X,Y,Z
-
z
FLUENT FLUENT
=
=N
n
nnvfp
1
1
D p Paf_n v v
=
=N
n
nn NvfU
1
61;
-
=
=N
n
nnr NvgU
161;
U_q U_r m/sf_n g_n r
Figure 1:
1. 2. 3. 4. /
-
FLUENT Define/Boundary Conditions... 1. 2.
3.
Figure 1:
4. / 1. 2. 3. D p
-
1. 2. D p 1. 2. D p
22.0m 0.4m 15 m/s
Figure 2:
2000rpm Q (m^3/s)D p (Pa) 250.0 20175 15350 10525 5700 0875 Q D p 1.0 0.4 v (m/s)D p (Pa) 62.50.0 50.0175 37.5350 25.0525 12.5700 0875
vp 14875=
-
1. 2.
3. 61 10 4. 1. 2. 1 f_n
3 g_n f_-1 f_0 (1/r)
1. 2. 3. U_q U_r 1. 2. U_q U_r 1. 2. 1. ()
2.
1.
-
2. XY
FLUENT FLUENT
FLUENT D p v
2
21 vkp L =
r k_L
=
=N
n
nnL vrk
1
1
r_n v
( )exitHX TThq = q T_HX T_exit
h
70;0
==
NvhhN
n
nn
h_n v m/s
qh, T_HXq
-
1
h v
( )exitHXp TThATcm
q == &
q=(W/m^2) m(dot)=(kg/s) c_p=(J/kg-K) h=(W/m^2K) T_exit=(K) T_HX=()(K) A=(m^2) 5
( ) ( )exitHXinletexitp TThATTcm
q == &
h ( )( )exitHX
inletexitp
TTATTcm
h = &
( )
( )exitHXinletexitp
TTTTc
h =
-
Figure 1:
1. 2. 3. 4. / FLUENT Define/Boundary Conditions...
k_L
1.
2.
-
Figure 1:
4. 5. k_L
Figure 2: r
7 kg/min 400.0 K(1/2)r v^2 D p k_L 1 ( 2 1.0 kg/m^3) VelocityInlet TempExit TempPressure Drop (m/s)(K)(K)(Pa) 5.0300.0330.075.0 10.0300.0322.5250.0 15.0300.0320.0450.0
-
v (m/s)(1/2)r v^2 (Pa)D p (Pa)k_L 5.012.575.06.0 10.050.0250.05.0 15.0112.5450.04.0
vkL 2.00.7 = v
qh, T_HX
0 T_HX
1.
2.
1. 2. h 1.0 kg/m^31000 J/kg-K) h Velocityh (m/s)(W/m^2K) 5.02142.9 10.02903.2 15.03750.0
273.111.1261.1469 vh ++= v
-
1. ()
2.
1 xy z 3 1 z z XY
/robust
-
Darcy
mvCvp
+= 22 21
m a C_2 v D m C_2
Figure 1:
1. 2. 1 3. D m 4. C_2
5.
/Define/Boundary Conditions...
-
FLUENT () ] FLUENT FLUENT
Figure 1: 4 2
-
FLUENT
2min2
1AmUfs
p =
ps
=
f= r_m= U_A_min=
( ) ( )c
cec AAfKKf ++= 22 11
s= K_c= K_e= A= A_c= f_c= 3
bafc minRe= a= b= Re_min= 5
m
hA DU
min
minRe =
r_m=
-
m_m= D_h= U_A_min=
=AALD ch 4
U_A_min
UUA =min
U s
( ) ( )cellinairpcell TTcmq = & where e= (m(dot) c_p)_air=( T__in= T_cell=
=marcoincellsallcellmarco qq
=cosmarallmarcoltotal qq
1 T ( ) ( )inoutcoolantpmarco TTcmq = & T__in T__out T__out Macro 0 1 1357 1 7
-
z e
z (m(dot) c_p) z z z 1. Define/odels/nergy... 2. Define/ser-Defined/eat
Exchanger...
Figure 1:
-
3. 4. 5. 6. 7. 8. 9. 10.
1 1 1.
2.
3.
1 0 n-1n
-
Figure 1:3 4
-
Figure 2:
7 (m(dot) c_p z FLUENT 5 q_total. FLUENT 1
7 T__in z 1. 2. 1 7 T__in z FLUENT z z case FLUENT 1.
-
Figure 1:
2. 3. 3 Min Flow to Face Area Ratio (s) Entrance Loss Coefficient (K_c) Exit Loss Coefficient (K_e) Air Side Surface Area (A) Min Cross Section Flow Area (A_c) 5 the Core Friction Coefficient Core Friction Exponent a b 4. 1 n
z z
1. 2.
5. /
-
("modelname" (0.73 0.43 0.053 5.2 0.33 9.1 0.66) ((1 1.0 .6234) (2 2.0 0.5014) (3 3.5 0.3932)
(4 5.0 0.3244) (5 6.5 0.2762) (6 8.0 0.2405) (7 10.0 0.2050) (8 12.0 0.1785) (9 15.0 0.1495)))
modelname(s K_c K_e A A_c a b) (point velocity effectiveness) 1. 2. HXC OKFLUENT
define/models/heat-exchanger/heat-exchanger-report1
FLUENT z n1 i n
FLUENT
z n (x_i,y_i,v_i)1 i n
z m n 1 i n 1 j m
-
z (r_i,v_i)1 i n z (0,0) z z (0,0) x z
z
z
"fields" fields tab || ((profile1-name point|line|radial n) (field1-name a1 a2 ... an) (field2-name b1 b2 ... bn) . . . (fieldf-name f1 f2 ... fn)) ((profile2-name mesh m n) (field1-name a11 a12 ... a1n a21 a22 ... a2n . . . am1 am2 ... amn) . . . (fieldf-name f11 f12 ... f1n f21 f22 ... f2n .
-
. . fm1 fm2 ... fmn))
xy z r Scheme
k e ke ((turb-prof point 8) (x 4.00000E+00 4.00000E+00 4.00000E+00 4.00000E+00 4.00000E+00 4.00000E+00 4.00000E+00 4.00000E+00 ) (y 1.06443E-03 3.19485E-03 5.33020E-03 7.47418E-03 2.90494E-01 3.31222E-01 3.84519E-01 4.57471E-01 ) (u 5.47866E+00 6.59870E+00 7.05731E+00 7.40079E+00 1.01674E+01 1.01656E+01 1.01637E+01 1.01616E+01 ) (tke 4.93228E-01 6.19247E-01 5.32680E-01 4.93642E-01 6.89414E-03 6.89666E-03 6.90015E-03 6.90478E-03 ) (eps 1.27713E+02 6.04399E+01 3.31187E+01 2.21535E+01 9.78365E-03 9.79056E-03 9.80001E-03 9.81265E-03 ) ) 1. 2. 1 File/Read/Profile...
3.
-
Define/Profiles...
Figure 1:
x y y
-
Figure 1:
z XY Y
z
FLUENT FLUENT
1. 2.
-
Figure 1: The Orient Profile Panel 3. 4.
5.
1. 2. Compute From.... xy z
0
6. 1. 2. Compute From.... xy z
7.
1. 2. 3. Compute From....
8. Orient To... 9. Orient To... X'Y' Z'X'Y' Z'
-
000xyz.
X'Y' Z'
4.
5.
6. FLUENT
X'Y'Z' 10
z
1 (m(dot)/V) = (r_j A_j v_j/V)(m(dot) v/V) = (m(dot) v_j/V) V
z
z
z
Figure 1: Defining a Source for a Tiny Inlet
-
()
SI
1. 2. z
z
z
z
kg/m^3-s S_m
h2o2 kg/m^3-s 1 S_i^'
XY / Z N/m^3 F_i
W/m^3
-
1 S_h
k e k kg/m-s^3e kg/m-s^4
k k-e 1
e k-e 3
-
1
/
1
FLUENT
(
FLUENT "materials"
(site-wide)
case case
1( 1)
Define/Materials...
-
1. 2.
) 3. 4. /
-
/
1. 2.
3. 4. /
Yes No
/
(site-wide)
[106][134][176] 1.
-
Figure 1:
2. 3.
4.
5.
6.
1.
-
2. 3. 4. / No
OK OK case
1. 2. 3. Delete
airco2o
( ) ...2321 +++= TATAAT
( ) ( )nnn
nnn TTTT
T +=
++1
1
1 n N N :
( )( ) ...:
...:2
3212max,2min,
23211max,1min,
+++=
-
Kelvin Rankine Celsius Kelvin Kelvin Fahrenheit Rankine Rankine
1. 1 density
Figure 1:
2. 8 A_1
3. 1, 2, 3,... 1 A_1,A_2, A_3,...
( ) TT 02.01000= 1. 1 Viscosity
-
Figure 1: 2. 3. 1
30
Figure 2: m (T)
1. 1 Viscosity
-
Figure 1:
2. 1
( ) 4103623 10000.410297.110966.1874.1929.429:1000300
TTTTTcTfor
p ++=
-
2.
(air fluid (chemical-formula . #f) (density (constant . 1.225) (premixed-combustion 1.225 300)) (specific-heat (constant . 1006.43)) (thermal-conductivity (constant . 0.0242)) (viscosity (constant . 1.7894e-05) (sutherland 1.7894e-05 273.11 110.56) (power-law 1.7894e-05 273.11 0.666)) (molecular-weight (constant . 28.966)) ) (aluminum (solid) (chemical-formula . al) (density (constant . 2719)) (specific-heat (constant . 871)) (thermal-conductivity (constant . 202.4)) (formation-entropy (constant . 164448.08)) )
FLUENT FLUENT propdb.scm
propdb.scm cortex/lib propdb.scm
FLUENT /
1Define/Materials...
FLUENT z z
1. 2.
-
3.
4. Boussinesq
z
z Boussinesq
1 1.225 kg/m^3 Boussinesq
Boussinesq 1 Boussinesq Boussinesq
( ) ( )nnn
nnn TTTT
T +=
++
1
1
( )( ) ...:
...:2
3212max,2min,
23211max,1min,
+++=
-
FLUENT
RTpop=
R p_op 1. 1
2. Define/Operating Conditions...101325 Pa
3. 1
RTppop +=
p FLUENT p_op 1. 1
2. Define/Operating Conditions... 1 101325 Pa
3. 1
-
1. z 1
volume-weighted-mixing-law z 1
z 1
2. / 3. volume-weighted-mixing-law
FLUENT
=
ii
im
1
m_i'r_i' i'
+=i
i
i
op
MmRT
pp
p FLUENT R m_i^' i^'M_i^' i^'p_op FLUENT
=
ii
i
op
MmRT
p
R m_i^' i^'M_i^' i^'p_op
FLUENT z z / z z
-
z
1 Define/Materials...
FLUENT m kg/m-s lbm/ft-sFLUENT n 1 1.7894 ?10^-5 kg/m-s FLUENT 5 z
( ) ( )nnn
nnn TTTT
T +=
++1
1
z ( )( ) ...:
...:2
3212max,2min,
23211max,1min,
+++=
-
2231
CTTC+=
kg/m-s KC_1 C_2 C_1 = 1.458 ?10^-6 kg/m-s-K^1/2C_2 = 110.4 K. Sutherland
STST
TT
++
= 0
23
00
m kg/m-sT Km_0 kg/m-s, T_0 KS K Sutherland m_0 = 1.716?10^-5 kg/m-sT_0 = 273 KS = 111 K Sutherland sutherland Sutherland 1. 2. C1 C2 m_0
T_0 S Sutherland
nBT= m kg/m-sT KB B = 4.093?10^-7n = 2/3
n
TT
=
00
m kg/m-sT Km_0 kg/m-sm_0 = 1.716?10^-5 kg/m-sT_0 = 273 Kn = 2/3 1. 2. B n m_0
T_0 n
-
=
261067.2 MT
m kg/m-sT Kelvins W_m = W_m (T^*)
( )kTT =
*
1 Lennard-Jones s e/k 1 1. mass-weighted-mixing-law
ideal-gas-mixing-law 2. / 3.
=
i i jii
ii
XX
21
2
41
21
18
1
+
+
=
j
i
i
j
j
i
ji
MM
MM
X_i^' i^'
=i
iim
-
S& =
i
j
j
i
xu
xuS
+=&
m S(dot) S(dot) h ( )[ ]SS && = FLUENT z z pseudo-plastics Carreau [161]
SSkeSke nTT
nTT
&&&
== 1
00
10 = nTT
Ske & FLUENT
max1
min
0
-
Figure 1:
N n = 1 n > 1 n < 1 k n T_0 h_min h_max Carreau
( )[ ] SSkeSS nTT &&&&
== 1
0
0, 0S & ,S & 0 Carreau (n < 1)
( )( ) 212
0
0
1
++=
n
TT
Se &
nlT_0 0 L n T_0 0 0 0
-
Figure 1: Carreau
Carreau carreau Carreau
l n T_0 0
FLUENT z z / z z z / 1 Define/Materials... W/m-K BTU/hr-ft-R 1 0.0242 W/m-K FLUENT z
-
( ) ( )nnn
nnn TTTT
kkkTk +=
++1
1
z ( )( ) ...:
...:2
3212max,2min,
23211max,1min,
+++=
-
21
2
41
21
18
1
+
+
=
j
i
i
j
j
i
ji
MM
MM
X_i^' i^'.
=i
ii kmk
FLUENT
jiji x
Tkq =
(e(hat)_x,e(hat)_h,e(hat)_z)(k_x,k_h,k_z)
jijijiij eekeekeekk ++=
-
Figure 1: (e(hat)_x,e(hat)_h, e(hat)_z)
e(hat)_x 0 XYZ e(hat)_h 1 XYZ 0(k_x)(k_h) 2 (k_z) (k_x,k_h)(e(hat)_x)
ijij ekk = k e(hat)_ij 2 2
3 3
-
Figure 1: e(hat)_ij K
FLUENT z z / z 1 Cp Define/Materials... J/kg-K BTU/lbm-R 1 Cp 1006.43 J/kg-K. z
( ) ( )nnn
npnp
nppTT
TTcc
cTc +=
++1
1
-
z ( )( ) ...:
...:2
3212max,2min,
23211max,1min,
+++=
-
DO 3 n_a n_b DO
DO non-gray 1/length CO_2 H_2O 1
FLUENT a a FLUENT variable-absorption-coefficient weighted-sum-of-gray-gases(WSGGM) 1 wsggm-cell-basedwsggm-domain-based wsggm-user-specified WSGGM wsggm
WSGGM Weighted-Sum-of-Gray-Gase 1 s beam
z wsggm-cell-based characteristic-cell-size
z wsggm-domain-baseda mean-beam-length
FLUENT z wsggm-user-specified mean-beam-length
WSGGM wsggm-user-specified
-
DO DO DO band
FLUENT P-1 DO
WSGGM
0
1/length
1
DO Delta-Eddington
FLUENT
P-1 3 C
Delta-Eddington delta-eddington Delta-Eddington 1 f C
3 F^* f
-
1 DO
Radiation... a s_s Radiation
Fick
i
imii x
mDJ = ,
,i jD i^'
,i mD
FLUENT FLUENT ,i mD
,i jD i^' j^' ,i jD
,i mD
=ijj jij
imi DX
XD,
,1
,i jD i^' j^' iX i^'
,i mD ,i jD
Fick 1
i
i
t
imii x
mSc
DJ
+= ,
-
tSc Schmidt
t
tt
DSc =
tD
,i mD Schmidt 3
m_t
Fick i^' ,i mD
1
z ,N mD
,i mD
z ,i mD ,N mD
z i^' j^' ,i jD
,i mD
,i jD ,i jD Fick 3
i^' ,i mD ,i jD Define/Materials...
m^2/s ft^2/s 1. constant-dilute-appx
-
2. ,i mD
1. dilute-approx 2.
Figure 1:
3. ,i mD
z
z
K+++= 2321, TATAAD mi 4. 2 3 Di
1. 2. ,i jD i'
j i' j
-
Figure 1:
3. ,i jD
z
z
K+++= 2321, TATAAD ji 4. 2 3 Di Dj
1. 2. / 3. Lennard-Jones s_i^'(e/k)_i^'
Djiop
jiiji p
MMT
D
+
=
2
,
21
3
,
11
0188.0
W_D = W_D (T^*_D)p_op
( ) jiD kTT
=
*
-
( ) ( ) ( ) jiji kkk = ( )jiji += 21
,i mD ,i jD
Schmidt Sc_t Schmidt 3 Schmidt Schmidt 0.7
Schmidt Schmidt Define/Models/Viscous...
j^'h^0_j^'
+= jT
T jpjj jrefdTchmH
,,
0
T_ref,j^' h_j^'^0 J/kgmol BTU/lbmol
1
Arrhenius j^'
+=j
T
T
jpjj
jrefdT
Tc
smS,
,0
T_ref,j^' s_j^'^0 J/kgmol-K
-
BTU/lbmol-R
1
1 c k/r c_p c[86] 1D 1
z z z z
1 e/k Lennard-Jones FLUENT
1
3 s_i (e/k)_i 1. Cp
2.
z L-J z L-J z
Angstroms
-
[65]
M
-
101325 Pa
Figure 1:
Define/Operating Conditions...
FLUENT
(000)XYZDefine/Operating Conditions...
-
FLUENT FLUENT FLUENT ,
FLUENT
FLUENT FLUENT FLUENT
FLUENT
FLUENT FLUENT
FLUENT PDF
( ) mii
Suxt
=+
S_m
-
( ) ( ) mSrvv
xu
xt=
++
i [8]
( ) ( ) iij
ij
iji
ji Fgxx
puux
ut
+++
=+
p t_ij r g_i F_i i F_i
ijl
l
i
j
j
iij x
uxu
xu
+
=32
( ) ( ) ( ) ( )
xFxv
rur
rr
vxur
xrxpvur
rruur
xru
t
+
+
+
+
=+
+
21
322111
v
( ) ( ) ( ) ( )( ) rFr
wvrr
v
vxvr
rrru
xvr
xrrpvvr
rruvr
xrv
t
+++
+
+
+
=+
+
2
2 322
3221111
v
v
rv
rv
xuv +
+= v
w
FLUENT /
FLUENT
-
z z
Figure 1:
FLUENT
( ) ( )( ) ( ) heffijjj
jji
effi
ii
SuJhxTk
xpEu
xE
t+
+
=+
+
k_eff k + k_t, k_t J_j^' j^'S_h
2
2iuphE +=
=j
jj hmh
phmh
jjj +=
5 7 m_j^' j^'
-
= TT jpj ref dTch , T_ref 298.15 K. PDF PDF FLUENT
( ) ( ) hi
iik
ip
i
ii
i
Sxu
xH
ck
xHu
xH
t+
+
=
+
Lewis 1 H
=j
jj HmH m_j^' j^'
( ) += T jT jrefjjpj ref ThdTcH , ,0, ( )0 ,j ref jh T T_ref,j^' j^'
1 define/models/energy?
1 PDF 1 FLUENT Brinkman Br
TkUBr e=
2
D T
Br 1FLUENT
-
1 PDF 1
jjj
i
Jhx
1
PDF PDF 1
1 S_h
+=
jj
T
jT jpj
jreactionh RdTcM
hS ref
ref ,,
0
,
h^o_j^' j^'R_j^' j^' PDF PDF
5 S_h .
1 PDF 1 S_h
S_h FLUENT
( ) ( ) qxTk
xhu
xh
t iii
i
+
=
+ &
-
r = h = integral_T_ref^T c_p dT k = T = q(dot)^"' =
1 u_i 1
FLUENT
iij
i xTk
x
k_ij
FLUENT define/models/energy?
FLUENT /
1.
Define/Models ?Energy...
-
Figure 1: 2. ()
FLUENT / 1 Define/Models/Viscous...
3. Define/Boundary Conditions...
z z z z z
300 K 4. Define/Materials...
FLUENT 5000 K 1 K
5000 KSolve/Controls/Limits...
Fluent
FLUENT Solve/Controls/Solution...
PDF
-
FLUENT 1.0 0.8 1.0 1.0
PDF FLUENT FLUENT 1.0
Define/Models/Species...
FLUENT
Solve/Controls/Solution...
FLUENT z z z z z z
-
z z z z z z z z Nusselt z Stanton
11
Report/Fluxes...
Report/Surface Integrals...
= AdVHQ vv
hReport/Surface Integrals...
-
Fluent
Grashof Reynolds
22Re vghGr
=
Rayleigh
3TLgRa =
T=
1
pck
= Rayleigh 10^8 10^8 10^10 Boussinesq
Boussinesq
( ) ( )gTTg 000 r_0 T_0 b
Boussinesq r_0 (1 - b D T) r . Boussinesq Boussinesq
Boussinesq
-
1. Define/Models/Energy... 2.
Define/Operating Conditions
Figure 1: FLUENT 3. 4. Boussinesq z Boussinesq
1.
2. Define/Materials...
z Boussinesq 1. Boussinesq 1 T_0 2. Boussines
3. Boussinesq
Boussinesq
-
5.
3 FLUENT p^'Define/Boundary Conditions...
6. Solve/Controls/Solution... PRESTO!
Boussinesq r_0
( )g0 FLUET
ss pgxp += 0
gxps =
( )gxps
0 =
FLUENT
p_s^' p_s r_0 p_s p_s^'
bulk
Boussinesq
Rayleigh
-
(Ra > 10^8) 1. 10^7 2.
3.
4. [62] 1. 2. [14]
( )TLg
LRaLUL
==
21
2
Pr~
L U D t
4=t
D t mp 3. f t = 0.05--0.09 t
Boussinesq
FLUENT
-
L
Figure 1:
z z
z z z z z z
z z
z z
2.
-
3. 4. 5. 6. 7. 8.
( ) ( ) ( ) Lvvvvv =+=+= LruLruru 2 ( ) ( ) ( ) Lvvvvv =+=+= LrvLrvrv 2 ( ) ( ) ( ) Lvvvvv =+=+= LrwLrwrw 2
L 1
( ) ( ) ( ) ( ) Lvvvvvvv =++=+= LrpLrpLrprpp 2 D p
?p (r) b (L/|L|)
( ) ( )rpLLrp vvvv
v +=
(p (r))(b |r|) b B SIMPLE, SIMPLEC, PISO b
(Figure 1)Define/Periodic Conditions...
-
Figure 1:
1.
2. / z
2p z
3. XY Z
4. b FLUENT b
b b bB SIPLE SIMPLEC b b 2
b
-
1. (Figure 1)
Define/Boundary Conditions...
Figure 1: 2. D p
per/pr-grad
p FLUENT 5 p (r)
FLUENT b
-
Figure 1:
FLUENT FLUENT
[119]
( )wallinletbulk
wall
TTTrT
=,
v
T_bulk,inlet
=
A
Ainletbulk AdVd
AdVdTT vv
vv
,
A q L
-
1. Define/Models/Energy... 2. T_wall
Define/Boundary Conditions...
3. Define/Boundary Conditions...
4. 1 Define/Materials...
5. Define/Periodic Conditions...
1. Solve/Controls/Solution... 2.
3. 4.
exitbulkwall
inletbulkwall
TTTT
,
,
=
per/bulk-temp-ratio
FLUENT FLUENT 1
-
Figure 1:
( ) ( ) ( ) ( ) .2 =++=+L
LrTLrTL
LrTrTvvvvvvv
L s Q
LTT
LcmQ inletbulkexitbulkp
,, == &
m(dot)
-
1. Define/Models/Energy... 2.
Define/Boundary Conditions... 3.
Define/Boundary Conditions... 4. 1
Define/Materials... 5. Define/Periodic Conditions...
FLUENT
z z z z z
-
( ) ( ) ( )
rvw
rw
rr
rr
xwr
xrvwr
rruwr
xrw
t
+
=
++
32
1
111
x r u v w
/
MRF
( r w or r^2 W = constant) w r w r
Figure 1: Typical Radial Distribution of w in a Free Vortex
rw
rp 2=
FLUENT
-
w / r W Figure 2
Figure 2: Figure 1
RNG k-e k-e
=dAuvR
dArwvS
R(bar) S < 0.5RNG k-e k-e k-e
k-e S > 0.5RSM RSM
-
x y=0
FLUENT
Figure 1:
Figure 2:
-
1.
Define/Models ?Solver... 2. r WDefine/Boundary Conditions...
z PRESTO!
z z 0.3--0.5
0.8--1.0 z
z
1. /
2. / 3. /
4.
-
5.
FLUENT 1.
10% 2. 3. 4. 5. 6.
z z
D p /p FLUENT
-
Figure 1:
Figure 2: 0.675
cuM = c
RTc = c c_p/c_v
M < 0.1FLUENT
p_0 T_0
120
211
+= M
pps
20
211 M
TTs
+=
1 1 p_s/p_0 0.5283
-
Fluent FLUENT 1
( ) sop RTpp = p_op p T_s FLUENT 1. Define/Operating Conditions...
p_op p 2. Define/Models ?Energy... 3.
Define/Models/Viscous... 4. Define/Materials...
1. 2.
5. Define/Boundary Conditions...
z
z
-
z 0.2 0.3 z 0.1 SIMPLE
SIMPLEC PISO z
FLUENT
z
z
z z z
-
FLUENT
( ) mii
Suxt
=+
S_m
( ) ( ) mSrvv
xu
xt=
++
x r u v i
( ) ( ) iii
jij
i Fgxpuu
xu
t++
=+
p r g_i F_i i F_i
( ) ( ) ( ) xFxpvur
rruur
xru
t+
=+
+ 11 :
( ) ( ) ( ) rFrpvvr
rruvr
xrv
t+
=+
+ 11
rv
rv
xuv +
+= v
( ) ( )( ) hj
jji
ii
SJhx
pEux
Et
+=+
+
-
1. Define/Models/Viscous... 2. Define/Boundary Conditions... Define/Materials... 3.
Courant Courant
Courant Solve/Controls/Solution...
FLUENT z z z z
Figure 1: Time = 3.66 sec
-
Figure 2: Time = 41.6 sec
FLUENT D t f
( ) Ft=
F
( ) Ft
nn
=+1
( ) Ft
nnn
=+ +
243 11
f = n+1 = t + D t n = t n-1 = t - D t
F(f) F(f)f F(f)
( )11 ++ = nnn
Ft
-
f^n+1 F(f^n+1) f^n+1
( )11 ++ += nnn tF f^i f^n f^i f^n+1 =f^i
( )ini tF +=
( )inni tF += 323134 1
F(f)
( )nnn Ft
=+1
f^n+1 f^n
( )nnn tF +=+1 RAMPANT
D t courant 1
z z
z FAS
1.
Define/Models/Solver...
-
Figure 1:
2.
UDF 3. PISO
Solve/Controls/Solution... PISO PISO PISO
4. Solve/Monitors/Statistic... FLUENT
5. /
6. t=0 Solve/Initialize/Initialize... File/Read/Data... 7. case
data File/Write/Autosave... case data
8. z
Solve/Iterate...
-
Figure 2:
z FLUENT
z D t FLUENT D t D t D t FLUENT 1020 FLUENT FLUENT D t 5-10 D t D t
/ 20 20
FLUENT z
1. Courant 1Solve/Controls/Solution...
2. Solve/Iterate... FLUENT
4 9. case
File/Write/Data...
-
File/Read/Data... FLUENT
Figure 1:
FLUENT UDSMHD MHD
f_kFLUENT z FLUENT
NkSxx kik
ki
,...,1, ==
G_k S_f_k N-
-
z FLUENT
NkSx
ux ki
kkki
i
,...,1, ==
z FLUENT
NkSx
Fx ki
kkki
i
,...,1, ==
F_i FLUENT UDS 1. Define/Models/User-Defined
Scalars...
Figure 1:
2. FLUENT UDS FLUENT 1 3 5 UDS UDS
UDS 3. UDS
Define/Boundary Conditions... 1.
-
Figure 2: 2.
4. UDS
S /ds df Define/Boundary Conditions...
-
Figure 3:
5. UDS
6. UDS 1 3 5 G_k z n z n
-
[email protected]@163.com
fluent
9.1
z z translating
Fluent z MRF z z
-
9.2 9.2.1
FLUENT FLUNET FLUENT 9.2.1
9.2.2
z z z
-
9.1FLUENTMRF9.39.49.5 9.2.2 FLUENT v rv
-
r
v rv v
-
FLUENT
9.2.3
-
z 2 Z z 2 X z 3 x y z FLUENT 9.2.4 1. Solver Velocity Formulation: 9.2.5
2
(a) Fluid Solid (b) FluidSolidMotion TypeMoving Reference
Frame Rotational Velocity Speed 6.17.1 6.18.1 3.
wall fluid fluid wall 6.13.1 6.13.1 4.velocity inletspressure inlets 9.2.5 6.3.1 6.4.1 9.2.5
-
,
9.2.6 8.4.5 rotation z
z PRESTO Solution Controls
z 0.30.5 z 22
1 10
2 3 4 5 6 4 5
9.2.7
Velocity Magnitude and Mach Number Relative Velicity Magnitude and Relative Mach Number Velocity...
-
9.3 MRF 9.3.1
9.1 FLUENT
z MRF z z MRF
MRF MRF MRF
MRF MRF 9.5
9.3.1
9.3.2
MRF z MRF realizable k
-
z 9.3.1
z MRF FLUENT
MRF 22.2.8 MRF
z FLUENT MRF define/models/dpm/ tracking/track-in-absolute-frame Set Injection Properties track-in-absolute-frame z MRF
9.3-3 z t
9.3.2MRF
MRF
FLUENT
-
8.2 9.2.2
FLUENT v 9.4
= 0xxr 9.31
x
0x
9.3.3
++= tr vrvv )( 9.3-2
v
rv
tv .
;
)( += rvv r 9.3-3
-
9.3.3MRF
9.3.1 z
z 5.4.3
9.3.4MRF MRF
MRF 9.2.3 MRF 1. Solver Velocity FormulationAbsolute Relative 9.2.5
2. a
Fluid Solid RotationAxis Origin RotationAxis Direction
b Fluid Solid Motion Type Moving Reference Frame Rotation Velocity Speed Translational Velocity XYZ
6.17.1 6.18.1 3.
wall fluid fluid wall 6.13.1 4.velocity inletspressure inlets 9.2.5 6.3.1 6.4.1
-
9.3.6
Velocity Magnitude and Mach Number Relative Velicity Magnitude and Relative Mach Number Velocity...
-
9.4 9.4.1 FLUENT
9.3.1 MRF
MRF
z z LES z z VOFmixture Eulerian
9.4.2
9.4.19.4.2 9.4.1
9.4.2
-
9.4.1 9.4.2
,
FLUENT 9.4.1 9.4.2 p cos ztr o,kps
-
9.4.3 FLUENT
13 FLUENT
FLUENT
swirl FLUENT
FLUENT
T r v
vS r v 9.4.1
-
streamwise
downstream upstream
9.4360 9.4.3 1. SOLVER
Fluid Solid Fluid Solid Motion Type
Moving Reference Frame XY Z
6.17.1 6.18.1 3.
wall fluid fluid wall 6.13.1 4.velocity inletspressure inlets 6.5.1 FLUENT Mass Flux Average Mass Flux 6.3.16.4.1 6.5.1
-
Mixing plane 9.4.3
a Upstream Zone Downstream
Zone b Mixing Plane Geometry
profiles p(r),T(r) profiles p(x)T(x).
cInterpolation Points profiles profiles 2 profile interpolation Point Mixing Plane Geometry d Globe Parameter i Underrelaxaton profiles
-
ii Apply Global Parameters Apply Default Global Parameter Default Reset Reset Global Parameter
e CreatFluent Mixing Plane
Mixing Plane Delete
Fluent Fluent Operaing Conditions Reference Pressure Location fluent
9.4.2
enable verbosity?,Fluent ID 9.4.4
-
9.4.5
Velocity Magnitude and Mach Number Relative Velicity Magnitude and Relative Mach Number Velocity...
25.9
-
9.5 9.5.1
() 9.1
9.5.1
9.2 9.5.2 9.5.3 MRF 9.3 9.4
-
5.3.10
9.5.2
9.5.4 9.5.5
-
9.5.6 9.5.7
9.5.6 3D 9.5.7 3D
9.5.8 2D
9.5.9
-
9.5.2 9.5.1
9.5.10
9.5.11 A-B B-C D-E E-F a-d d-b b-e d-b b-e
-
e-c a-d c-f d-b b-e D-E
9.5.3 FLUENT z z z 3D
90
z 5.3.10
z
z z 3D
FLUENT 9.5.1
-
1. Solver FLUENT24.15
2.
a Boundary Conditions
interface b Fluid Solid Motion Type
Moving Mesh
6.13.1 6 3. Grid Interface 9.5.12
a Grid Interface
-
b Interface Zone1 Interface Zone 2
c Interface Type z Periodic z Coupled
d Create Fluent Wall-9
Wall-10 Interface Zone1 Interface Zone 2 Boundary Conditions pressure far-fieldsymmetrypressure outlet
Grid Interface Delete
Case Case Case Solving the Problem
24.13.1 Iterate 24.15 Case Iterate Apply Iterate Case Fluent 2b 9.5.2 Case Data
Fluent Case and Data 3.3.4 ! Data Case Case Data Case Case !Case and Data FLUENT FLUENT Case and Data Case and Data FLUENTCase FLUENT Case 3
T
-
T= 2D TP/b,P b 5
10 22 32 32 42 9.5-13
20
9.5.4 Case and
Data Views 27.4 9.5.14 9.5.4
Vectors Vectors Of Relative Velocity Reference Values
-
Fluid
3D
FLUENT FLUENT XY 27.8.4
-
9.6 9.6.1
NRBCsFLUENT
z NRBCs z z