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Flutter Analysis Model

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Flutter Analysis Model


Cole Stephens (view profile)


04 Sep 2003 (Updated )

Models a 2 DOF wing using SimMechanics™.

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This model demonstrates how to implement a coupled structural-aerodynamic problem.
The wing, otherwise rigid, is allowed to pitch and plunge. The motion of the wing is defined using SimMechanics blocks. The aerodynamic model is a simple, quasi-steady formulation.

Dynamic pressure is manipulated by varying the Mach number & Altitude. You can also vary the CG location of the wing by double clicking on the picture of the BACT subsystem.

The structural, mass, and aerodynamic properties all come from the following paper:
AIAA 96-3437
"Modeling the Benchmark Active Control Technology Wind Tunnel Model for Application to Flutter Suppression" by Martin R. Waszak of NASA Langley.

Automatic flutter detection is implemented via a state-machine in Stateflow.


This file inspired Automated Failure Boundary Mapping.

Required Products Aerospace Blockset
Aerospace Toolbox
Simscape Multibody
Simulink 3D Animation
MATLAB release MATLAB 7.3 (R2006b)
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Comments and Ratings (15)
03 Apr 2014 Xiaochen

22 Aug 2011 david

david (view profile)

12 Sep 2010 Jayson Gunesh

I did my FYP on aeroelasticity but rather into the mode shapes of vibration caused by the structural dynamics and inertia interaction of 3 different type of transport a/c. I was so eager to run a sim based on what I studied in ANSYS but due to limited time allocated, I had to drop this idea. MATLAB would definitely be very helpful and thanks to your contribution I believe that it would be of tremendous help to me to go that extra mile. Thanks

18 Sep 2009 azuwan

azuwan (view profile) there anyone here can help me....
i have to make a project that can recognize two type of fruit....epal n oren....can anyone here help me????

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19 Nov 2008 Vivek Mukhopadhyay

For more robust control law design for flutter suppression of BACT model, see Mukhopadhyay, V., “Transonic Flutter Suppression Control Law Design and Wind Tunnel Test Results,” Journal of Guidance, Control, and Dynamics, Vol. 23, No. 5, 2000, pp. 930–937 (see also pp. 913–956; and Vol. 23 No. 6, 2000, pp. 1093–1139; and Vol. 24, No. 1, 2001, pp. 146–192 for all BACT related papers)

04 Dec 2007 Ahmed Lachemat


18 Nov 2007 mohammed khaled

thank you a lot for this informations and i love mathworks very much

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18 Nov 2007 mohammed khaled

17 Nov 2007 Milton Fernandez

06 Jun 2007 name name

18 Apr 2007 jaber latify

16 Mar 2007 hamed nozari

01 Jul 2006 Sanjay Mata

19 May 2006 Samual roxio

very informative

29 Sep 2005 Mohammed Anwar

I could not open the file with my Matlab version 12.1, is there anyway to open it with this version??

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22 Oct 2010 1.1

Added license info.

28 Oct 2010 1.2

Removed the PDF from the submission.

01 Sep 2016

Updated license

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