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Lumped Systems with Nonproportional Damping
The time domain response of non-proportionally damped or non-classical normal mode or non-Rayleigh linear lumped parameter systems, as otherwise called, is derived. Modal analysis is used to transform the governing equations ...
Nature of coupling in nonconservative lumped parameter systems
(American Institute of Aeronautics and Astrnautics, 1989)
Although the response of undamped or at least proportionally damped linear systems can be determined easily by modal analysis, the prediction of the response of nonproportionally damped linear systems requires either more ...
(Shock and Vibration Information Center, 1989)
This paper forms a literature survey on lumped and distributed parameter, linear, viscously damped, dynamic systems, possessing non-classical modes.