computational methods for multi-physics applications with fluid-structure interaction ·...

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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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