Forum: CFX
August 26, 2013, 05:26
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Replies: 45
Views: 5,694
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Forum: CFX
August 25, 2013, 03:54
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Replies: 45
Views: 5,694
Dear Glenn and Alex,
Your comments are...
Dear Glenn and Alex,
Your comments are really valuable for me , I rearnt alot from your comments.
I have found some articles about the flow profile and are studying them, you were wright about...
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Forum: CFX
August 23, 2013, 12:25
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Replies: 45
Views: 5,694
Dear Glenn and Alex,
I really appreciate...
Dear Glenn and Alex,
I really appreciate your comments , I learnt a lot from your comments.
But some questions;
- If the last post picture about laminar flow velocity profile is correct...
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Forum: CFX
August 23, 2013, 04:03
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Replies: 45
Views: 5,694
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Forum: CFX
August 22, 2013, 18:45
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Replies: 45
Views: 5,694
Hi ,
I would appreciate if you can help me...
Hi ,
I would appreciate if you can help me out,
As It can be seen from the experimental result(previous post image) , the velocity profile after the BL is somhow flat and in some points in the...
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Forum: CFX
August 22, 2013, 03:26
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Replies: 45
Views: 5,694
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Forum: CFX
August 22, 2013, 01:39
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Replies: 45
Views: 5,694
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Forum: CFX
August 21, 2013, 15:28
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Replies: 45
Views: 5,694
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Forum: CFX
August 20, 2013, 23:50
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Replies: 45
Views: 5,694
Thanks Glenn
I really appreciate your...
Thanks Glenn
I really appreciate your comments as an expert .
My question is , how the flow develop such a way that has not maximum velocity at center? Because of the effect of the zero...
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Forum: CFX
August 20, 2013, 19:17
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Replies: 45
Views: 5,694
Thanks Glenn for your reply,
I am not...
Thanks Glenn for your reply,
I am not really concerned about the fully developed as I am doing this as a pilot study for my final simulation, but as far as I know , the velocity should be maximum...
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Forum: CFX
August 20, 2013, 18:25
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Replies: 45
Views: 5,694
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Forum: CFX
August 20, 2013, 18:09
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Replies: 45
Views: 5,694
I really appreciate your helps and useful...
I really appreciate your helps and useful comments,
I have some questions that needs the idea of CFD experts ,
I have simulated incompressible flow in a simple duct with different boundary...
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Forum: CFX
August 14, 2013, 15:34
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Replies: 45
Views: 5,694
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Forum: CFX
August 14, 2013, 02:59
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Replies: 45
Views: 5,694
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Forum: CFX
August 12, 2013, 05:02
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Replies: 45
Views: 5,694
Thank you Glenn for your reply,
But why...
Thank you Glenn for your reply,
But why should I refine the mesh and get divergence problem with very fine mesh when with y+ .5 to 1 I can get the convergence , I mean what is the criteria for...
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Forum: CFX
August 12, 2013, 02:27
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Replies: 45
Views: 5,694
Dear Glenn,
Thank you for your reply,
...
Dear Glenn,
Thank you for your reply,
After your post I tried to evaluate the time and mesh Independence for this case , and meanwhile some questions arose for me.
- I did the physical time...
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Forum: CFX
July 31, 2013, 16:30
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Replies: 45
Views: 5,694
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Forum: CFX
July 27, 2013, 18:01
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Replies: 45
Views: 5,694
I am not so professional on CFX,
Is it...
I am not so professional on CFX,
Is it possible to have the Y+ on the post p or I have to calculate that and how?
Please feel free to explain as if you are explainig for a beginner to the CFD
...
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Forum: CFX
July 26, 2013, 01:29
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Replies: 45
Views: 5,694
I thought that for fully turbulent flow a more...
I thought that for fully turbulent flow a more condense mesh should be considered to better simulate the eddies and for higher shear stress on the walls there should be higher mesh concentration near...
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Forum: CFX
July 25, 2013, 22:43
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Replies: 45
Views: 5,694
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Forum: CFX
July 25, 2013, 18:19
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Replies: 45
Views: 5,694
Thank you for your reply,
Please make...
Thank you for your reply,
Please make corrections if I am wrong;
dy1= L * y+ * (74)^0.5 * Re^(-13/14)
U bulk = 0.5 m/s
Blood density = 1060 kg/m3
Blood viscosity = .0035 kg/m.s
Duct...
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Forum: CFX
July 25, 2013, 16:09
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Replies: 45
Views: 5,694
Thank you for your reply ,
As I told you ,...
Thank you for your reply ,
As I told you , I have checked hybrid and conservative methods,(attached)
As you can see , even on the hybrid method , there is a sudden change to the velocity on the...
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Forum: CFX
July 25, 2013, 03:46
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Replies: 45
Views: 5,694
Thanks for your reply.
I have checked hybrid...
Thanks for your reply.
I have checked hybrid and conservative forms , but the problem is not about it.
close to the wall there is a considerable velocity as you can see, and it is the same for all...
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Forum: CFX
July 24, 2013, 03:14
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Replies: 45
Views: 5,694
No slip condition in walls,CFX
Hi
I have simulated a simple model in CFX , with no slip conditions in the walls.
But I can not see this condition near the wall.
Please help me.
Thanks
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