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Search: Posts Made By: gush
Forum: FLUENT December 1, 2017, 07:53
Replies: 10
Views: 2,359
Posted By gush
different inflation numbers or any other change...

different inflation numbers or any other change on the mesh did not effect the simulation results.

it seems at low velocities (Re is about 630) enhanced wall treatment is not able to give correct...
Forum: FLUENT November 29, 2017, 09:02
Replies: 10
Views: 2,359
Posted By gush
thank you very much for the advice Fole! now...

thank you very much for the advice Fole!

now i am changing the number of inflation, hope it works!

the thing is there is no direct approach for this mesh issue. it is generally so case...
Forum: FLUENT November 28, 2017, 09:00
Replies: 10
Views: 2,359
Posted By gush
standart wall function Vs enhanced wall treatment

the difference disappears at higher velocities.



Has anyone any idea about it?
Forum: FLUENT November 25, 2017, 09:13
Replies: 10
Views: 2,359
Posted By gush
this is the image of velocity contours in the mid...

this is the image of velocity contours in the mid plane!

1st image: standard wall function (coarse mesh, impossible to reach y+>30 because the velocity is too low. Re is about 630 for the inlet....
Forum: FLUENT November 13, 2017, 01:02
Replies: 10
Views: 2,359
Posted By gush
i have never seen such an information about EWT!...

i have never seen such an information about EWT! it is generally said that EWT needs dense mesh where y+ is about 1.

the interesting thing in my problem is in the case of high or low y+ values SWF...
Forum: FLUENT November 12, 2017, 07:47
Replies: 10
Views: 2,359
Posted By gush
no one?

anyone has an idea??
i am grateful for any comments
Forum: FLUENT November 10, 2017, 05:32
Replies: 10
Views: 2,359
Posted By gush
Exclamation standart wall function Vs enhanced wall treatment

hi,

i have very simple 3d simulation: one inlet (vel in), one outlet (outflow), walls(no slip).

Rng ke with standard wall function gives very good results (compared with experimental).
but...
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