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Search: Posts Made By: enry
Forum: FLUENT September 22, 2010, 13:53
Replies: 97
Views: 45,589
Posted By enry
Hi akash, It's very strange. Look at my...

Hi akash,
It's very strange.

Look at my picture:

http://www.mediafire.com/imgbnc.php/8384ca3b9148ca193a835bad28bf415d6g.jpg


I don't know why... try to check if FLUENT 6.3.26 journal I...
Forum: FLUENT September 22, 2010, 05:12
Replies: 97
Views: 45,589
Posted By enry
I'm trying to read your file but fluent crash!...

I'm trying to read your file but fluent crash! However, I could see the grid. The box problem is solved in the way I posted you early; your problem also should be solved in the same way of box2 ones....
Forum: FLUENT September 22, 2010, 04:45
Replies: 97
Views: 45,589
Posted By enry
Hi Akas, sorry for my delay. I'm busy for my...

Hi Akas, sorry for my delay. I'm busy for my master thesis. Well, I'm just modified the "box" file, because it's easier for me to be understood. Here is the link; I hope you can upload the file,...
Forum: FLUENT September 16, 2010, 08:00
Replies: 97
Views: 45,589
Posted By enry
Hi Akash, I promise you I will take a look...

Hi Akash,

I promise you I will take a look to your problem. Now I'm quite busy. I hope I will answer to you next weekend. Sorry :confused:

Regards
Forum: FLUENT September 14, 2010, 05:19
Replies: 97
Views: 45,589
Posted By enry
PS. I work on Ubuntu. If you use Windows, the...

PS. I work on Ubuntu. If you use Windows, the command is the same, but I think that you should re-write the journal that I send to you because the "hyphen" is different between linux and windows.
...
Forum: FLUENT September 14, 2010, 05:16
Replies: 97
Views: 45,589
Posted By enry
Hi Akash, sorry for my delay. I was on holiday...

Hi Akash, sorry for my delay. I was on holiday for 2 weeks ;).

Well, I send to you a box.zip file in which there is what I can do with GRID_MOTION. There is a simple example of moving surface with...
Forum: FLUENT September 1, 2010, 05:21
Replies: 97
Views: 45,589
Posted By enry
Hi Akash, I think that there is no difference...

Hi Akash,
I think that there is no difference in set-up between CG_MOTION and GRID_MOTION macro... I suggest to build a simpler domain, like a simple box with moving interface, with the same fluid,...
Forum: FLUENT August 31, 2010, 05:19
Replies: 97
Views: 45,589
Posted By enry
Sorry, I believed that you moved both interface...

Sorry, I believed that you moved both interface and solid. :rolleyes:

Your approach seems to be good... A question: before the corruption of your mesh, does the mesh move all together ? Or is only...
Forum: FLUENT August 30, 2010, 14:25
Replies: 97
Views: 45,589
Posted By enry
Hi akash, sorry for my delay. Have u you solved...

Hi akash, sorry for my delay. Have u you solved your problem?
As I can understand from your picture, you have 2 different meshed zone, one fluid and one solid, isn't it? If it's true, you have to...
Forum: FLUENT August 26, 2010, 08:33
Replies: 97
Views: 45,589
Posted By enry
Hi Akash, I used DEFINE_GRID_MOTION because my...

Hi Akash, I used DEFINE_GRID_MOTION because my delta depends on geometry position, and so geometry movement is not a CG translation. I think that CG_MOTION macro work well and simpler if you have...
Forum: FLUENT August 25, 2010, 11:39
Replies: 97
Views: 45,589
Posted By enry
Hi Akash, here is UDF. It should work well,...

Hi Akash, here is UDF. It should work well, control if I forget some initialization:

#include"udf.h"
DEFINE_GRID_MOTION(delta,domain,dt,time,dtime)
{
Thread *tf = DT_THREAD(dt);
face_t f;...
Forum: FLUENT August 5, 2010, 13:47
Replies: 97
Views: 45,589
Posted By enry
Hi, give me some information about your problem....

Hi, give me some information about your problem. Do you have Boundary layer? Is you problem 3d? If yes, have you enabled deforming with remeshing for fluid around moving face and for face delimiting...
Forum: FLUENT July 20, 2010, 10:31
Replies: 97
Views: 45,589
Posted By enry
I solved the problem. In case somebody is...

I solved the problem. In case somebody is interested:
-UDF for the moving surface
-DEFORMING with re-meshing for fluid around moving surface
-DEFORMING with re-meshing for surface that is moving...
Forum: FLUENT July 20, 2010, 05:18
Replies: 97
Views: 45,589
Posted By enry
Ok, don't worry. Thanks ;)

Ok, don't worry.
Thanks ;)
Forum: FLUENT July 20, 2010, 04:14
Replies: 97
Views: 45,589
Posted By enry
I found an error; moving mesh don't work with...

I found an error; moving mesh don't work with "cooper" gambit scheme; i tried to mesh the end of box with tri-elements, and mesh the entire box as "cooper", but fluent can't move as spring based the...
Forum: FLUENT July 20, 2010, 03:34
Replies: 97
Views: 45,589
Posted By enry
Hi DarrenC, thanks a lot for your reply. I...

Hi DarrenC, thanks a lot for your reply.
I tried , as exercise, to build a box and I tried to move the "floor" of the box. The problem is that the mesh inside the box don't move, and so when the...
Forum: FLUENT July 19, 2010, 07:33
Replies: 97
Views: 45,589
Posted By enry
Hi DarrenC. How do u solve your problem? I'm...

Hi DarrenC.
How do u solve your problem? I'm studying a vertical axis wind turbine, and I have to move a little the blades of my turbine. I can move them without any problem with 2D mesh. When I...
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