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Stability of a rigid body translating in a resisting medium

  • M. V. Shamolin
Article

The paper discusses a nonlinear model that describes the interaction of a rigid body with a medium and takes into account (based on experimental data on the motion of circular cylinders in water) the dependence of the arm of the force on the normalized angular velocity of the body and the dependence of the moment of the force on the angle of attack. An analysis of plane and spatial models (in the presence or absence of an additional follower force) leads to sufficient stability conditions for translational motion, as one of the key types of motions. Either stable or unstable self-oscillation can be observed under certain conditions

Keywords

rigid body in a resisting medium nonlinear model sufficient stability conditions stable and unstable self-oscillation 

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Copyright information

© Springer Science+Business Media, Inc. 2009

Authors and Affiliations

  1. 1.Research Institute of MechanicsM. V. Lomonosov Moscow State UniversityMoscowRussia

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