The theory of flutter instability in structures and solids is presented, starting from the illuminating case of the Ziegler double pendulum, continuing with the Beck and Pflüger columns, and ending with the conditions for flutter in solids, considering in particular nonassociative elastoplastic models for granular and rock-like materials. The role of dissipation, leading to the so-called ‘Ziegler paradox’ is presented in detail. It is explained how to obtain a tangential follower load in a structure by exploiting Coulomb friction and it is shown that structures working in a flutter condition can reach a limit cycle, in which they behave as self-oscillating devices.
Flutter from friction in solids and structures / Bigoni, D.. - 586:(2019), pp. 1-61. [10.1007/978-3-319-93722-9_1]
Flutter from friction in solids and structures
Bigoni D.
2019-01-01
Abstract
The theory of flutter instability in structures and solids is presented, starting from the illuminating case of the Ziegler double pendulum, continuing with the Beck and Pflüger columns, and ending with the conditions for flutter in solids, considering in particular nonassociative elastoplastic models for granular and rock-like materials. The role of dissipation, leading to the so-called ‘Ziegler paradox’ is presented in detail. It is explained how to obtain a tangential follower load in a structure by exploiting Coulomb friction and it is shown that structures working in a flutter condition can reach a limit cycle, in which they behave as self-oscillating devices.File | Dimensione | Formato | |
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2019_Book_DynamicStabilityAndBifurcation.pdf
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