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Aircraft dynamic stability derivatives

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Old   September 1, 2004, 12:21
Default Aircraft dynamic stability derivatives
  #1
Jon
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Hi Guys

I am currently using Fluent to compute an aircraft flow field. May i ask how do you use fluent to get estimates for the dynamic stability derivatives for an aircraft?

Regards JOn
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Old   September 8, 2004, 20:01
Default Re: Aircraft dynamic stability derivatives
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David Stanbridge
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You are going into new grounds since Fluent is not reknwned for its aerodynamic accuracy. You are more likely to get better results from other CFD packages, i.e CFX.

Dave
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Old   September 8, 2004, 22:13
Default Re: Aircraft dynamic stability derivatives
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Jonathan
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Hi but i just wish to do a rough approximation on the dervatives. is there any way in fluent do it? Thanks!
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Old   October 1, 2004, 01:57
Default Porous jump modelling
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Alastair Walsh
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I am trying to model a Mach 2 flow across a 6% open area perforated plate in 2-D FLUENT but am having trouble with the permeability, porous medium thickness and the pressure jump co-efficient, any ideas on how to approach this or what values i should be using would be greatly appreciated
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