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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
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Fluid
Flow-structure interaction (FSI)
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Fluid-Structure Interaction (1D)
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ALE Formulation
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Coupled FSI with Control
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Auxiliary system of PDEs
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• In the solid domain:
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Fluid-velocity Profile
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Displacement Profile
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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)
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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
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Computational Challenges in MAV Design
Structural Dynamics
Fluid Dynamics
Guidance & Control
Propulsion & Power
FSI
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Model of a flexible MAV wing
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Computational Model for MAV
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Membrane Wing Deflection
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Membrane Wing Deflection