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Forum: ANSYS Meshing & Geometry

January 6, 2010, 01:24

Replies: 37

[GAMBIT] How to set up a wind tunnel with interior?

Views: 6,406

Posted By -mAx-

check turbulence theory , especially log-law for...

check turbulence theory , especially log-law for wall treatment

Forum: ANSYS Meshing & Geometry

January 4, 2010, 00:45

Replies: 37

[GAMBIT] How to set up a wind tunnel with interior?

Views: 6,406

Posted By -mAx-

http://geolab.larc.nasa.gov/APPS/YPlus/

http://geolab.larc.nasa.gov/APPS/YPlus/

Forum: ANSYS Meshing & Geometry

December 22, 2009, 00:32

Replies: 37

[GAMBIT] How to set up a wind tunnel with interior?

Views: 6,406

Posted By -mAx-

*check the set up of the new fluid domain in the...

*check the set up of the new fluid domain in the bc-panel (eg: material).
*check the results to be sure that the fluid flows well

But as I previously said, defining the hemisphere as a separate...

Forum: ANSYS Meshing & Geometry

December 21, 2009, 12:07

Replies: 37

[GAMBIT] How to set up a wind tunnel with interior?

Views: 6,406

Posted By -mAx-

That's the reason, the BC is just available for...

That's the reason, the BC is just available for surfaces
Define your hemisphere as fluid in "specify continuum types", and export it.
You will be able to get what you want.

Forum: ANSYS Meshing & Geometry

December 21, 2009, 11:57

Replies: 37

[GAMBIT] How to set up a wind tunnel with interior?

Views: 6,406

Posted By -mAx-

It's look like ok from my side. How did you set...

It's look like ok from my side.
How did you set your Interior in gambit?
in BC Panel as Interior or in Continuum Panel as Fluid?

Forum: ANSYS Meshing & Geometry

December 21, 2009, 06:45

Replies: 37

[GAMBIT] How to set up a wind tunnel with interior?

Views: 6,406

Posted By -mAx-

Indeed you can have more control on your mesh...

Indeed you can have more control on your mesh refinement inside your hemisphere. But it is not a must

Forum: ANSYS Meshing & Geometry

December 21, 2009, 01:12

Replies: 37

[GAMBIT] How to set up a wind tunnel with interior?

Views: 6,406

Posted By -mAx-

As I said, in your case the hemisphere isn't...

As I said, in your case the hemisphere isn't necessary (your fluid domain es the big brick containing your hemisphere).
Per Default, Gambit exports and creates the fluid domain called something like...

Forum: ANSYS Meshing & Geometry

December 20, 2009, 14:43

Replies: 37

[GAMBIT] How to set up a wind tunnel with interior?

Views: 6,406

Posted By -mAx-

then it is ok, all the domains are exported. To...

then it is ok, all the domains are exported.
To your first question, I believe fluent prefers displaying vectors on a plane.
Display pathlines from your inlet and yoou will see If you have any...

Forum: ANSYS Meshing & Geometry

December 20, 2009, 14:11

Replies: 37

[GAMBIT] How to set up a wind tunnel with interior?

Views: 6,406

Posted By -mAx-

it comes from the lines wich are tangential...

it comes from the lines wich are tangential (between base of hemisphere and brick's edge)
Post a picture of the plane (just to be sure that your big brick is meshed and exported)
In your case the...

Forum: ANSYS Meshing & Geometry

December 20, 2009, 13:45

Replies: 37

[GAMBIT] How to set up a wind tunnel with interior?

Views: 6,406

Posted By -mAx-

in gambit, click on the icon (next to examine...

in gambit, click on the icon (next to examine mesh)
you will have blue colors instead of green (and pink for the hemisphere).
post the picture.
You should have difficulties to mesh your domain...

Forum: ANSYS Meshing & Geometry

December 20, 2009, 13:16

Replies: 37

[GAMBIT] How to set up a wind tunnel with interior?

Views: 6,406

Posted By -mAx-

post a picture

post a picture

Forum: ANSYS Meshing & Geometry

April 9, 2009, 08:31

Replies: 37

[GAMBIT] How to set up a wind tunnel with interior?

Views: 6,406

Posted By -mAx-

ok I don't understand why it has failed with my...

ok I don't understand why it has failed with my previous method, but anyway you can handle your problem followings:
*substract face2 with face 1
*then split the face 2 (which is the result of the...

Forum: ANSYS Meshing & Geometry

April 9, 2009, 06:20

Replies: 37

[GAMBIT] How to set up a wind tunnel with interior?

Views: 6,406

Posted By -mAx-

upload it on www.rapidshare.com...

upload it on www.rapidshare.com (http://www.rapidshare.com)

Forum: ANSYS Meshing & Geometry

April 8, 2009, 05:33

Replies: 37

[GAMBIT] How to set up a wind tunnel with interior?

Views: 6,406

Posted By -mAx-

wait... you must split face 2 with the 4 edges...

wait... you must split face 2 with the 4 edges from face A (face 4 shouldn t exist anymore as you substrated it with face 1)
send me the dbs file

Forum: ANSYS Meshing & Geometry

April 8, 2009, 04:33

Replies: 37

[GAMBIT] How to set up a wind tunnel with interior?

Views: 6,406

Posted By -mAx-

ok I assume the face 4 and face 1 are right...

ok I assume the face 4 and face 1 are right substracted (I call this face A).
Try to split face 4 with the outer edges from A (rectangle)
Normally you shoul have 2 faces on the same location (face...

Forum: ANSYS Meshing & Geometry

April 8, 2009, 03:50

Replies: 37

[GAMBIT] How to set up a wind tunnel with interior?

Views: 6,406

Posted By -mAx-

hmm funny... if you substract face4 with face1,...

hmm funny...
if you substract face4 with face1, what is the result?

Forum: ANSYS Meshing & Geometry

April 8, 2009, 00:42

Replies: 37

[GAMBIT] How to set up a wind tunnel with interior?

Views: 6,406

Posted By -mAx-

-Substract face 4 with face 1, it generates face...

-Substract face 4 with face 1, it generates face A
-Split face 2 with face A
You don't need to set any face as Interior

Showing results 1 to 17 of 17

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