Does Fluid Structure Coupling between CFD-FEM solves can predict Flutter Speed?

Engr.RZA · November 28, 2012, 11:39

If we are using Unsteady RANS and couple it with the FEM solver. Does it can predict Flutter speed of a wing. I think we can predict static aeroelastic phenomena using this approach. But dynamic phenomena like flutter need excitation and unsteady aerodynamics modeling.

Can anyone share his ideas on this ?

ltsiorak · December 10, 2012, 18:45

yes you can calculate flutter critical speed by using 2way fsi

only transient of course

November 28, 2012, 11:39	Does Fluid Structure Coupling between CFD-FEM solves can predict Flutter Speed?	#1
Engr.RZA New Member RZA Join Date: Nov 2012 Posts: 25 Rep Power: 13	If we are using Unsteady RANS and couple it with the FEM solver. Does it can predict Flutter speed of a wing. I think we can predict static aeroelastic phenomena using this approach. But dynamic phenomena like flutter need excitation and unsteady aerodynamics modeling. Can anyone share his ideas on this ?

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December 10, 2012, 18:45		#2
ltsiorak New Member Lazaros Tsioraklidis Join Date: Nov 2012 Location: Thessaloniki Posts: 14 Rep Power: 13	yes you can calculate flutter critical speed by using 2way fsi only transient of course