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-   -   [ICEM] Open channel flow (http://www.cfd-online.com/Forums/ansys-meshing/89533-open-channel-flow.html)

mchith June 15, 2011 12:04

Open channel flow
 
2 Attachment(s)
Good day everyone,

So I started working on my model which is basically a channel with one cylinder in the middle, for the begining i am just putting one to get the basic idea of the software.
Anyway, i did the geometry, the blocking and splitting the blocks, i then tried to do the association of edges with curves and i computed the pre-mesh, but i have noooo idea what i got, i couldnt even see the mesh around the cylinder, can you please tell me what steps i might have missed or what i should do?
i attached the project and some images

thank you very much

jeevankumarb June 16, 2011 04:36

Hello,
Your blocking doesnt have edges associated to curves and also there is no bunching set for edges in order to have some cells to view.
Associate edges to curves and set some bunching on the edges.

Regards
jeevan

mchith June 16, 2011 09:09

1 Attachment(s)
hey

okay so i have the cylinder in the middle of the channel, so i split the blocks and then i had to collapse the blocks for the cylinder so i didnt know which ones to collapse... there is one ot top of it runnning from the outlet to the inlet but not passing through it, and there are two either side of the cylinder (and those are the ones i collapse, but when i did that i found that the block went crazy...i attached the file so tell me what you think,,i still didnt do the mesh params and nodes and all that...

thank you

jeevankumarb June 17, 2011 06:35

1 Attachment(s)
Hello,

I will have a look at it.
i have made some modifications to the blocking. I have uploaded the blocking file, it might be helpful for you. try to build a similar one.

regards
jeevan

mchith June 17, 2011 10:31

hey jeevan thank you for sending me the file..looks great really. can you lead me through the steps you did..i mean the one i did didnt look anything likt that and from what you saw you must have guessed that i have no experience. what i did was i followed similar steps to the pipe blade tutorial..also a little from the wing body tutorial. i see that you made several splits in the channel where as i left them as to blocks on either side.. and for the cylinder did you collapse the blocks??also the block over the cylinder looks really good in the model you made i wasnt able to do that, as when i collaped the bloacks under it, it changed into a triangular shape. I am greatful for you help :)

mchith June 17, 2011 10:37

and in the blocks you made...how would you associate the edges to the cylinder curves???

thanks

mchith June 17, 2011 11:31

1 Attachment(s)
hey tell me what you think.....now what do i do to take it to fluent :P i have no idea

mchith June 17, 2011 15:48

1 Attachment(s)
HEY AGAIN

i made this new geometry and i have 2 cylinders. they both share thet same vertice at one point and i dont know how to solve that i attached an image..i can only associate it to one of the cylinders

mchith June 20, 2011 10:26

1 Attachment(s)
please guys tell me what you think of this and if i can do it in any other way

cheers

jeevankumarb June 27, 2011 03:11

no tetin file and blcking file???


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