Dynamic Stability of Nonconservative Mechanical Systems with Small Damping
- 1 September 1990
- journal article
- research article
- Published by Taylor & Francis in Mechanics of Structures and Machines
- Vol. 18 (3) , 373-387
- https://doi.org/10.1080/08905459008915675
Abstract
The stability of mechanical systems that are subjected to nonconservative forces and small viscous damping is investigated. Necessary conditions for the perturbations to be ideal are derived and asymptotic formulas for critical values are obtained. The structure of matrices that realize the ideal perturbations is studied. Necessary stability conditions and formulas for evaluating the defect of the damping matrix are derived for the case of defective perturbations. Examples are considered.Keywords
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