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Forum: ANSYS Meshing & Geometry August 29, 2012, 06:04
Replies: 53
Views: 15,608
Posted By Far
You can model this as unsteady and still use the...

You can model this as unsteady and still use the single rotor from both rotors using the advance models available in CFX or you can switch to NUMECA. ANSYS is updating turbo machinery models in CFX,...
Forum: ANSYS Meshing & Geometry August 29, 2012, 05:54
Replies: 53
Views: 15,608
Posted By Far
This may be helpful for you. ...

This may be helpful for you.

http://dspace.mit.edu/bitstream/handle/1721.1/58080/639280401.pdf?sequ..

I have also started thread on mixing plane model in CFX:
...
Forum: ANSYS Meshing & Geometry August 27, 2012, 10:12
Replies: 53
Views: 15,608
Posted By Far
Analogy: Aircraft moving with Mach 0.8 in...

Analogy: Aircraft moving with Mach 0.8 in free-stream and while solving in CFD we give air the velocity of Mach 0.8. Because it is relative to each other and we get the same effect.

Why I am...
Forum: ANSYS Meshing & Geometry August 27, 2012, 09:55
Replies: 53
Views: 15,608
Posted By Far
yes...................

yes...................
Forum: ANSYS Meshing & Geometry August 27, 2012, 09:30
Replies: 53
Views: 15,608
Posted By Far
By definition, mixing plane should have same...

By definition, mixing plane should have same radial extent on both sides. But there is no limit on rotational / circumferential offset. For example rotor1 may be placed at 0-90 deg and rotor 2 may be...
Forum: ANSYS Meshing & Geometry August 27, 2012, 07:17
Replies: 53
Views: 15,608
Posted By Far
are you giving both rotors motion with +ve and...

are you giving both rotors motion with +ve and -ve rpms? Is it possible to give the one rotor rpm1+rpm2 and other one as stationary? or this problem is related to meshing? can you post more pics with...
Forum: ANSYS Meshing & Geometry August 27, 2012, 01:09
Replies: 53
Views: 15,608
Posted By Far
could you please post some pics

could you please post some pics
Forum: ANSYS Meshing & Geometry August 26, 2012, 16:50
Replies: 53
Views: 15,608
Posted By Far
Any update please

Any update please
Forum: ANSYS Meshing & Geometry August 14, 2012, 19:21
Replies: 53
Views: 15,608
Posted By Far
Directly. Check also in ICEM help From ICEM...

Directly. Check also in ICEM help

From ICEM Help

Swept




Free
Forum: ANSYS Meshing & Geometry August 14, 2012, 18:46
Replies: 53
Views: 15,608
Posted By Far
We should call it Triangular prism

We should call it Triangular prism
Forum: ANSYS Meshing & Geometry August 14, 2012, 18:42
Replies: 53
Views: 15,608
Posted By Far
1. Use wedge block (I prefer this). For this just...

1. Use wedge block (I prefer this). For this just leave the block as it is i.e. don't insert Yblock.
I think, Because of sharp corner I will have low quality if I leave the bock without inserting Y...
Forum: ANSYS Meshing & Geometry August 14, 2012, 18:16
Replies: 53
Views: 15,608
Posted By Far
Congratulation for your work and thumsup for...

Congratulation for your work and thumsup for persistence

http://img526.imageshack.us/img526/6112/symbolthumbsupgreen.png
http://img818.imageshack.us/img818/1472/27187417.jpg

unfortunately it...
Forum: ANSYS Meshing & Geometry July 23, 2012, 13:47
Replies: 53
Views: 15,608
Posted By Far
Sorry. I was out of station for few days, just...

Sorry. I was out of station for few days, just came back today. Lets start it again.
Forum: ANSYS Meshing & Geometry July 16, 2012, 05:25
Replies: 53
Views: 15,608
Posted By Far
Since energy382 is here with us again. He will...

Since energy382 is here with us again. He will tell us how to block this model with shifted periodic and other things from his experience of mixed flow turbine. Ralen, diamondx and BrolY are also...
Forum: ANSYS Meshing & Geometry July 16, 2012, 05:18
Replies: 53
Views: 15,608
Posted By Far
energy382 is back. :D

energy382 is back. :D
Forum: ANSYS Meshing & Geometry July 15, 2012, 23:18
Replies: 53
Views: 15,608
Posted By Far
First concentrate on getting the mesh for the...

First concentrate on getting the mesh for the available model and then we modify it. I tell you that how to handle the annular models.

I am trying to say, we must the master the process and when...
Forum: ANSYS Meshing & Geometry July 15, 2012, 07:46
Replies: 53
Views: 15,608
Posted By Far
Thats right First I associated edges...

Thats right



First I associated edges at hub and tip section to corresponding curves. When generated premesh, I got a mess. I had two solutions:
1. Edit edge and either make them surface...
Forum: ANSYS Meshing & Geometry July 15, 2012, 02:37
Replies: 53
Views: 15,608
Posted By Far
Quarter O-grid and periodic surfaces

Here is method for selection of faces to create the quarter o-grid...

http://img715.imageshack.us/img715/5729/84637680.png

http://img802.imageshack.us/img802/3879/27607197.png

Change...
Forum: ANSYS Meshing & Geometry July 14, 2012, 14:00
Replies: 53
Views: 15,608
Posted By Far
Change the shape of periodic boundaries in the...

Change the shape of periodic boundaries in the region of blade. We shall follow the meshing strategy as discussed above and also some features from following Fig.
...
Forum: ANSYS Meshing & Geometry July 14, 2012, 09:14
Replies: 53
Views: 15,608
Posted By Far
This is my idea, I will use this blocking as...

This is my idea, I will use this blocking as building block and then adopt the blocking given in previous post. This post will explain the use of Quarter O-grid...
Forum: ANSYS Meshing & Geometry July 14, 2012, 07:55
Replies: 53
Views: 15,608
Posted By Far
Here is my first try. I think it is successful....

Here is my first try. I think it is successful. Also sharp trailing is handled in nice way as you can see and this is already discussed in thread structured hexa mesh on wing...
Forum: ANSYS Meshing & Geometry July 14, 2012, 06:47
Replies: 53
Views: 15,608
Posted By Far
do you need meshing like this? ...

do you need meshing like this? http://www.cfse.ch/cfse/site/openfoam.php
Showing results 1 to 22 of 22

 
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