Flutter Analysis Model

Version 1.2.0.1 (78.4 KB) by Cole Stephens
Models a 2 DOF wing using SimMechanics™.
4.0
(18)
11.9K Downloads
Updated 1 Sep 2016

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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.

Cite As

Cole Stephens (2024). Flutter Analysis Model (https://www.mathworks.com/matlabcentral/fileexchange/3938-flutter-analysis-model), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2006b
Compatible with any release
Platform Compatibility
Windows macOS Linux
Acknowledgements

Inspired: Automated Failure Boundary Mapping

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Version Published Release Notes
1.2.0.1

Updated license
1.2.0.0

Removed the PDF from the submission.
1.1.0.0

Added license info.
1.0.0.0

Lots of updates to this submission:
* FindFlutBnd will run the "Flutter.mdl" file to find a flutter point @ Mach 0.77
* UI updates
* Closed-Loop addition
* VR model