Two way FSI and flutter of fan blade

Nevel · October 6, 2009, 05:33

Hi all!
Have anybody used 2way FSI to catch flutter mode? I mean self-excited oscillation of fan blade.
Is it possible?
I simulate some blade but has damping of vibration in all cases.
Maybe some recommendations? Tips and tricks?
Thanks a lot!

ghorrocks · October 6, 2009, 18:43

FSI should be able to do this. I don't know if FSI can work in a rotating frame of reference. You will need to check that. But FSI certainly can do flutter on fixed wings, eg aircraft wings.

October 6, 2009, 05:33	Two way FSI and flutter of fan blade	#1
Nevel New Member Join Date: May 2009 Posts: 8 Rep Power: 17	Hi all! Have anybody used 2way FSI to catch flutter mode? I mean self-excited oscillation of fan blade. Is it possible? I simulate some blade but has damping of vibration in all cases. Maybe some recommendations? Tips and tricks? Thanks a lot!

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October 6, 2009, 18:43		#2
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,915 Rep Power: 145	FSI should be able to do this. I don't know if FSI can work in a rotating frame of reference. You will need to check that. But FSI certainly can do flutter on fixed wings, eg aircraft wings.