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Search: Posts Made By: tony00
Forum: FLUENT May 13, 2010, 03:51
Replies: 133
Views: 35,050
Posted By tony00
Unsteady simulation meshes

Hi esp1000,
in Sect. 11 of the User's guide and in Tutorial 11 you'll find the explanations for setting up an unsteady sliding mesh simulation. You might also be worth having a look at Tutorial 9...
Forum: FLUENT May 12, 2010, 06:54
Replies: 133
Views: 35,050
Posted By tony00
Mesh dependency

Hi everyone!
I am still doing 2D simulations of VAWT. Has anyone tried simulating with different meshes and turbulence models (say realizable k-e and k-w SST)? Do you get the same results?
I find...
Forum: FLUENT March 10, 2010, 18:55
Replies: 133
Views: 35,050
Posted By tony00
Torque calculation

Hi Enrico,
turbulent intensity 10% I think is plausible.
I know BEtz limit is Cp=0.59. I am getting Cp=1.2. I was joking when I called it an amazing Cp. I am trying to spot where the error is. I...
Forum: FLUENT March 10, 2010, 13:32
Replies: 133
Views: 35,050
Posted By tony00
Hi Enrico, you do not need to do...

Hi Enrico,


you do not need to do anything to the new walls that Fluent sets up: leave them as they are.
p-v coupling should only change the convergence speed, and should not affect the...
Forum: FLUENT March 1, 2010, 13:59
Replies: 133
Views: 35,050
Posted By tony00
Mesh for VAWT

Hi
Check out the tutorial of compressor vane and the one of axial turbine. Google Fluent tutorials and check the sliding mesh tutorials.

Anyway you will find that:
you need to define an...
Forum: FLUENT March 1, 2010, 12:58
Replies: 133
Views: 35,050
Posted By tony00
Use moving mesh

Hi
for VAWT you must use sliding mesh (or moving mesh as Fluent calls it) and run an unsteady simulation.

Regards
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