Dynamic instability characteristics of a free‐free missile structure under a controlled follower force-Reference-Cited by-同舟云学术

Dynamic instability characteristics of a free‐free missile structure under a controlled follower force

Published:2006-11-01 Issue:6 Volume:78 Page:509-514
ISSN:0002-2667
Container-title:Aircraft Engineering and Aerospace Technology
language:en
Short-container-title:

Author:

Pradhan Sumeet,Datta P.K.

Abstract

PurposeTo study the effect of rocket mass and an intermediate mass on the critical flutter load of a free‐free beam (missile‐like structure).Design/methodology/approachA finite element model of beam considering shear deformation and rotary inertia, based on Hamilton's principle applied to non‐conservative system.FindingsSmaller geometric dimensions of the end rocket assist in the stability. Optimum positioning of the intermediate mass leads to stability.Practical implicationsThe stability of free‐free missile structures can be better understood.Originality/valueSheds new light on the effect of rocket mass and an intermediate mass on the critical flutter load of a free‐free beam.

Publisher

Emerald

Reference13 articles.

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2. Beck, M. (1952), “Die Knicklast des Einseitig Eingespannten Tagential Gedruckten Stabes”, Zeitschrift fur Angewandte Mathematik und Physik, Vol. 3, pp. 225‐8.

3. Bolotin, V.V. (1963), Nonconservative Problems of the Theory of Elastic Stability, Pergamon Press, Oxford.

4. Chen, L.W. and Ku, D.M. (1991), “Stability analysis of a Timoshenko beam subjected to distributed follower forces using finite elements”, Computers & Structures, Vol. 41, pp. 813‐9.

5. Chen, L.W. and Ku, D.M. (1992), “Eigenvalue sensitivity in the stability analysis of Beck's column with a concentrated mass at the free end”, Journal of Sound and Vibration, Vol. 153, pp. 403‐11.

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