Viscous Interpretation and Time Formulation of Hysteretic Damping
In order to retain the scaling properties of the time domain solution for the beam equation, local longitudinal strain must be considered, giving rise to rotational viscosity and viscous damping. The formulation is formally equivalent to hysteretic damping. Generalisation to two-dimensional beams, or plates, is suggested.
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Document Type: Research Article
Publication date: May 1, 2001
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- Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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