NDLI: Dynamic analysis of airships with small deformations

Content Provider	IEEE Xplore Digital Library
Author	Azouz, N. Bestaoui, Y. Lemaitre, O.
Copyright Year	2002
Description	Author affiliation: Lab. des Systemes Complexes, CNRS, Evry, France (Azouz, N.; Bestaoui, Y.)
Abstract	The theory of modelling and control of airships was mostly imported from the fields of science and engineering of underwater vehicles. However the main hypothesis of rigidity of the structure may be improved to take into account the flexibility of the hull of an airship. We present an approach for analysing dynamic elastic deformable airships in an ideal fluid. Our model uses the updated Lagrangian method in combination with a large displacement and small deformation (Green) strain tensor formulation. Analogy is made with classical structural dynamics. The description of the behaviour of the airship consists of a continuous differential equation that is solved using a Rayleigh-Ritz technique combined with the finite element method. The method proposes also to take into account the coupling between the rigid body motion and the deformation as well as the interaction and coupling with the fluid surrounding.
Starting Page	209
Ending Page	215
File Size	420103
Page Count	7
File Format	PDF
ISBN	8371434294
DOI	10.1109/ROMOCO.2002.1177109
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-11-11
Publisher Place	Poland
Access Restriction	Subscribed
Rights Holder	Poznan Univ of Technol.
Subject Keyword	Vehicle dynamics Fluid dynamics Automotive engineering Underwater vehicles Deformable models Lagrangian functions Capacitive sensors Tensile stress Differential equations Finite element methods
Content Type	Text
Resource Type	Article

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