CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > FLUENT

need help solving an aerofoil

Register Blogs Members List Search Today's Posts Mark Forums Read

Reply
 
LinkBack Thread Tools Display Modes
Old   August 14, 2013, 07:38
Default need help solving an aerofoil
  #1
New Member
 
TPRPR1
Join Date: Apr 2013
Posts: 9
Rep Power: 4
tprpr1 is on a distinguished road
hi
i am new to cfd .i wrote a journal file to solve for several angles of attack(-6.5 to 16.5) using SA model in fluent 14.i got the solution for some angles but it oscillates for other angles.Re is 7e^6 and wall spacing is 3e^-6.(10000m altitude )
wall y plus is lesser than 1.
the first part of the below code solves for -6.5 but it does not solve for -2.5(second part)

;-6.5
/mesh/reorder reorder-domain
/define/models energy
yes
yes
yes
/define/models/viscous spalart
yes
/define/models/viscous sa-alternate-prod
yes
/define/materials change
air
air
yes
ideal-gas
no
no
yes
sutherland
three-coefficient-method
0.00001458
273.11
110.56
no
no
no
/define/operating-conditions operating-pressure
26500
define/boundary-conditions/pressure-far-field
farfield no 0 no 0.85 no 223.1 no 0.99357185567 no -0.11320321376 no no yes no 10
/solve/monitors/force set-lift-monitor
cl-1
yes
crvs
()
yes
yes
cl-1-history
yes
2
no
0.11320321376
0.99357185567
/solve/monitors/force set-drag-monitor
cd-1
yes
crvs
()
yes
yes
cd-1-history
yes
3
no
0.99357185567
-0.11320321376
/solve/monitors/force set-moment-monitor
cm-1
yes
crvs
()
yes
yes
cm-1-history
yes
4
no
0.25
0
0
0
-1
/solve/initialize/compute-defaults
pressure
farfield
q
/solve/initialize/initialize-flow
ok
/report/reference-values/compute pressure-far-field
farfield
/solve/initialize fmg
yes
/solve iterate
3000

-2.5
define/boundary-conditions/pressure-far-field
farfield no 0 no 0.85 no 223.1 no 0.99904822158 no -0.04361938736 no no yes no 10
;setting lift and drag monitors
/solve/monitors/force delete
"cd-1"
yes
/solve/monitors/force delete
"cl-1"
yes
/solve/monitors/force delete
"cm-1"
yes
/solve/monitors/force set-lift-monitor
cl-3
yes
crvs
()
yes
yes
cl-3-history
yes
2
no
0.04361938736
0.99904822158
/solve/monitors/force set-drag-monitor
cd-3
yes
crvs
()
yes
yes
cd-3-history
yes
3
no
0.99904822158
-0.04361938736
/solve/monitors/force set-moment-monitor
cm-3
yes
crvs
()
yes
yes
cm-3-history
yes
4
no
0.25
0
0
0
-1
;solution initialization
/solve/initialize/compute-defaults
pressure
farfield
q
/solve/initialize/initialize-flow
ok
;setting up reference values
/report/reference-values/compute pressure-far-field
farfield
/solve/initialize fmg
yes
/solve iterate
3000
tprpr1 is offline   Reply With Quote

Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Unstabil Simulation with chtMultiRegionFoam mbay101 OpenFOAM Running, Solving & CFD 13 December 28, 2013 14:12
pimpleFoam: turbulence->correct(); is not executed when using residualControl hfs OpenFOAM Running, Solving & CFD 3 October 29, 2013 09:35
calculation stops after few time steps sivakumar OpenFOAM Running, Solving & CFD 7 March 17, 2013 07:37
Differences between serial and parallel runs carsten OpenFOAM Bugs 11 September 12, 2008 11:16
Could anybody help me see this error and give help liugx212 OpenFOAM Running, Solving & CFD 3 January 4, 2006 19:07


All times are GMT -4. The time now is 03:02.