Kumnit Nong and Padmanabhan Seshaiyer Department of Mathematical Sciences George Mason University Eugenio Aulisa Department of Mathematics and Statistics Texas Tech University Sonia Garcia Department of Mathematics United States Naval Academy Edward Swim Department of Mathematics Sam Houston State University COMSOL 2010 Boston, USA (October 8, 2010) Computational Methods for Multi-physics Applications with Fluid-structure Interaction COMSOL Conference 2010 Boston Presented at the
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Kumnit Nong and Padmanabhan Seshaiyer
Department of Mathematical Sciences George Mason University
Eugenio Aulisa
Department of Mathematics and Statistics Texas Tech University
Sonia Garcia
Department of Mathematics United States Naval Academy
Edward Swim
Department of Mathematics Sam Houston State University
COMSOL 2010
Boston, USA
(October 8, 2010)
Computational Methods for Multi-physics Applications
with Fluid-structure Interaction
COMSOL Conference 2010 Boston Presented at the
Fluid
Flow-structure interaction (FSI)
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ALE Formulation
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Coupled FSI with Control
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• In the solid domain:
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Fluid-velocity Profile
Displacement Profile
MAV: Membrane Wing Deflection
Computational modeling of highly flexible membrane wings for MAVs
Ferguson, L., Aulisa, E., Seshaiyer P. and Gordnier R., (AIAA 2006-1661) Computational modeling of coupled membrane-beam flexible wings for MAVs
L. Ferguson, P. Seshaiyer, R. Gordnier, P. Attar (AIAA 2007-1787) Nonlinear Models for Biologically- Inspired Elastic Membrane Wings
E. Swim and P. Seshaiyer (AIAA-2008-2008)
Experimental Challenges in MAV Design
• Small size • High surface-to-volume ratio • Constrained weight and volume limitations • Low Reynolds number regime • Low aspect ratio fixed to rotary to flapping
wings • Longer flight time • Better range-payload performance
Computational Challenges in MAV Design
Structural Dynamics
Fluid Dynamics
Guidance & Control
Propulsion & Power
FSI
Model of a flexible MAV wing
Computational Model for MAV
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Membrane Wing Deflection
Membrane Wing Deflection
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