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Search: Posts Made By: Centurion2011
Forum: FLUENT September 21, 2015, 04:44
Replies: 10
Views: 19,444
Posted By Centurion2011
yeap

It depends on what are you looking for?!
If you are looking for Cd, based on results obtained for aerdynamic force,then these results might not be correct if reference are is not correct.
Forum: ANSYS Meshing & Geometry February 19, 2015, 07:18
Replies: 2
[ICEM] cart3d
Views: 1,410
Posted By Centurion2011
mr Aftosmis, is it possible ofr CART3D...

mr Aftosmis,

is it possible ofr CART3D program to model 6DOF motion of irregularly shaped bodies. IE, to determine trajectory, total aerodynamic forces (drag, lift, magnus) and moments?

I am...
Forum: Main CFD Forum February 18, 2015, 08:19
Replies: 3
Views: 691
Posted By Centurion2011
something is obviously wrong :)

something is obviously wrong :)
Forum: FLUENT February 18, 2015, 08:17
Replies: 27
Views: 42,731
Posted By Centurion2011
e

sorry, wasn't around for quite some time, didnt see questions :)
Forum: FLUENT December 12, 2013, 05:39
Replies: 2
Views: 2,714
Posted By Centurion2011
try refining you mesh or lowering timestep

try refining you mesh or lowering timestep
Forum: FLUENT December 12, 2013, 05:34
Replies: 6
Views: 2,987
Posted By Centurion2011
If this is correct than I am dissapointed in...

If this is correct than I am dissapointed in fluent developers :)

Also, when looking into 6 dof theory one cannot but wonder how brief it is. One could hope for better explanations about...
Forum: FLUENT November 30, 2013, 13:18
Replies: 27
Views: 42,731
Posted By Centurion2011
I don't mind :) If anyone has any questions...

I don't mind :) If anyone has any questions regarding Fluent I'm here :)
Forum: FLUENT October 24, 2013, 04:58
Replies: 27
Views: 42,731
Posted By Centurion2011
try to do mesh with as many structured elements...

try to do mesh with as many structured elements possible
Forum: FLUENT October 24, 2013, 04:25
Replies: 27
Views: 42,731
Posted By Centurion2011
double precision is always better, but did you...

double precision is always better, but did you try to make smaller mesh, or different types of meshes. It seems to me that mesh is the issue here
Forum: FLUENT October 24, 2013, 04:09
Replies: 27
Views: 42,731
Posted By Centurion2011
How do you mean: "micro scale calculation". What...

How do you mean: "micro scale calculation". What are you doing exactly?
Forum: FLUENT October 24, 2013, 03:21
Replies: 27
Views: 42,731
Posted By Centurion2011
10e-6 is enough precsion for residuals, there is...

10e-6 is enough precsion for residuals, there is no need to get lower...
Forum: CFX September 25, 2013, 14:32
Replies: 17
Views: 3,345
Posted By Centurion2011
OK I'll send it to you tomorrow

OK I'll send it to you tomorrow
Forum: FLUENT September 25, 2013, 06:41
Replies: 17
Views: 3,214
Posted By Centurion2011
Smile try here...

try here (http://wenku.baidu.com/view/21e1e63483c4bb4cf7ecd152.html)
Forum: FLUENT September 25, 2013, 03:50
Replies: 12
Views: 4,548
Posted By Centurion2011
what is the password for .rar files from...

what is the password for .rar files from http://www.cfdiran.ir/download/ ?
Forum: FLUENT September 25, 2013, 03:25
Replies: 9
Views: 1,390
Posted By Centurion2011
cfd post can do that for sure, just browse a bit...

cfd post can do that for sure, just browse a bit through i'ts help file..
Forum: CFX September 25, 2013, 03:22
Replies: 17
Views: 3,345
Posted By Centurion2011
Cool Did you try tutorial "Falling box" first? Using...

Did you try tutorial "Falling box" first? Using 6DOF solver and remeshing is your best bet

you can download tutorial here (http://www.scribd.com/doc/95044171/Falling-Box)
Forum: OpenFOAM Running, Solving & CFD September 23, 2013, 07:37
Replies: 1
Views: 1,351
Posted By Centurion2011
try falling box 6dof example. This is tricky stuff

try falling box 6dof example. This is tricky stuff
Forum: FLUENT September 10, 2013, 08:32
Replies: 2
Views: 1,230
Posted By Centurion2011
message me at chatko@operamail.com

message me at chatko@operamail.com
Forum: Fluent UDF and Scheme Programming September 10, 2013, 05:16
Replies: 7
Views: 640
Posted By Centurion2011
so, in short, what do you suggest, if you can...

so, in short, what do you suggest, if you can explain it step by step?
Forum: Fluent UDF and Scheme Programming September 10, 2013, 04:44
Replies: 7
Views: 640
Posted By Centurion2011
For my purpose (irregular rotating object), A...

For my purpose (irregular rotating object), A (maximal exposed area to flow) is changing as the body moves through the air (and rotate in the same time).

For example, my body moves with velocity...
Forum: Fluent UDF and Scheme Programming September 9, 2013, 06:25
Replies: 7
Views: 640
Posted By Centurion2011
Duri, thanks for reply. Can you be more precise?...

Duri, thanks for reply. Can you be more precise? What do you mean by "Force monitor will work"?

Do you mean I can somehow setup this in Monitor options?

Drag force = 0,5*density*Cd*A*v2

Keep...
Forum: Fluent UDF and Scheme Programming September 9, 2013, 05:39
Replies: 7
Views: 640
Posted By Centurion2011
UDf for calculating Cd in unsteady (transient) analysis

Anyone had experience with making UDF for calculating drag coeff (Cd) in unsteady (transient) analysis?

For example, a cube is rotating (sliding mesh, unsteady problem) and I want to plot (and...
Forum: OpenFOAM Post-Processing September 9, 2013, 03:58
Replies: 1
Views: 607
Posted By Centurion2011
have you succeeded in this?

have you succeeded in this?
Forum: FLUENT September 4, 2013, 06:07
Replies: 9
Views: 1,031
Posted By Centurion2011
The following guidelines can help you make sure...

The following guidelines can help you make sure your CFD simulation is a succes:

1. Examine the quality of the mesh.
There are two basic things that you should do before you start a simulation:...
Forum: FLUENT September 4, 2013, 05:50
Replies: 9
Views: 1,031
Posted By Centurion2011
perhaps solution of first order is good enough....

perhaps solution of first order is good enough. My problems also sometimes (with Mach number above 1) have difficulties converging with second order methods. Maybe your mesh is too fine. Try...
Showing results 1 to 25 of 73

 
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