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

Search Results

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

Showing results 1 to 14 of 14
Search took 0.00 seconds.
Search: Posts Made By: Far
Forum: FLUENT March 10, 2013, 12:06
Replies: 27
Views: 3,378
Posted By Far
Ah those parameters. You can play with them....

Ah those parameters. You can play with them. Generally speaking, I use default values.



I don't think turbulence needs second order accuracy. If you are not modelling transition type of flows,...
Forum: FLUENT March 10, 2013, 10:14
Replies: 27
Views: 3,378
Posted By Far
It is cournt number for pressure-based coupled...

It is cournt number for pressure-based coupled solver which couples continuity and momentum equation only. So the definition is not same as the cournt number we study in CFD course.




Fluent...
Forum: FLUENT March 9, 2013, 15:47
Replies: 27
Views: 3,378
Posted By Far
Blocking > Edit edge (s) > Link edge Source...

Blocking > Edit edge (s) > Link edge

Source edge : The edge whose shape you need to copy to other edge.

Target edge : Whose shape is to be changed

Factor : 1 -3 . I've used factor of 3
Forum: FLUENT March 9, 2013, 14:54
Replies: 27
Views: 3,378
Posted By Far
I was thinking of more smooth mesh. :) Here it...

I was thinking of more smooth mesh. :) Here it is...
Forum: FLUENT March 9, 2013, 14:19
Replies: 27
Views: 3,378
Posted By Far
Fluent cas and dat attached. upload will take...

Fluent cas and dat attached. upload will take some time.

Fluent cas & dat (https://dl.dropbox.com/u/68746918/NACA%20wing%2009%2003_Far_Fluent.zip)
Forum: FLUENT March 9, 2013, 14:17
Replies: 27
Views: 3,378
Posted By Far
.......................................

.......................................
Forum: FLUENT March 9, 2013, 14:05
Replies: 27
Views: 3,378
Posted By Far
Please make the domain at least 10-15 upstream...

Please make the domain at least 10-15 upstream and 20-30 downstream.

Files are attached.

I have used pressure based coupled solver. Other options used are : High order term relaxation. 2nd...
Forum: FLUENT March 9, 2013, 13:35
Replies: 27
Views: 3,378
Posted By Far
check your ICEM files and you will find that you...

check your ICEM files and you will find that you have not associated vertex to point at sharp trailing edge.

Also I've made the spacing equal in both directions (normal and tang) at trailing...
Forum: FLUENT March 9, 2013, 13:25
Replies: 27
Views: 3,378
Posted By Far
something wrong there

I dont see any problem in convergence with short domain even. However, I have made some minor adjustments to blocking.
Forum: FLUENT March 9, 2013, 13:13
Replies: 27
Views: 3,378
Posted By Far
Flow is incompressible? Any effect after...

Flow is incompressible? Any effect after increasing domain size?
Forum: FLUENT March 9, 2013, 11:14
Replies: 27
Views: 3,378
Posted By Far
why such severe divergence ? ! Did you specify...

why such severe divergence ? ! Did you specify angle of attack?

what are the domain extents now?
Forum: FLUENT March 9, 2013, 10:49
Replies: 27
Views: 3,378
Posted By Far
Yes slip wall is wall with zero shear stress....

Yes slip wall is wall with zero shear stress. It's almost similar to symmetry with few exceptions.
Forum: FLUENT March 9, 2013, 08:37
Replies: 27
Views: 3,378
Posted By Far
Bottom, top, side (not connected to wing) be...

Bottom, top, side (not connected to wing) be defined as slip wall and side 2 (connected to wing) be defined as symmetry.
Forum: FLUENT March 9, 2013, 08:21
Replies: 27
Views: 3,378
Posted By Far
Your model is symmetric? Use slip wall for all...

Your model is symmetric? Use slip wall for all wall boundaries except symmetry.
Showing results 1 to 14 of 14

 
Forum Jump

All times are GMT -4. The time now is 00:27.