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The aim of this International Symposium on Dynamics of
Vibro-Impact Systems is to provide a forum for the discussion of
recent developments in the theory and industrial applications of
vibro-impact ocean systems. A special effort has been made to
invite active researchers from engineering, science, and applied
mathematics communities. This symposium has indeed updated
engineers with recent analytical developments of vibro-impact
dynamics and at the same time allowed engineers and industrial
practitioners to alert mathematicians with their unresolved issues.
The symposium was held in Troy, Michigan, during the period October
1-3, 2008. It included 28 presentations grouped as follows: The
first group comprises of nine papers dealing with the interaction
of ocean systems with slamming waves and floating ice. It also
covers related topics such as sloshing-slamming dynamics, and
non-smooth dynamics associated with offshore structures. Moreover,
it includes control issues pertaining to marine surface vessels.
The second group consists of fifteen papers treats the interaction
of impact systems with friction and their control, Hertzian contact
dynamics, parameter variation in vibro-impact oscillators, random
excitation of vibro-impact systems, vibro-impact dampers,
oscillators with a bouncing ball, limiting phase trajectory
corresponding to energy exchange between the oscillator and
external source, frequency-energy distribution in oscillators with
impacts, and discontinuity mapping. The third group is covered in
four papers and addresses some industrial applications such as
hand-held percussion machines, rub-impact dynamics of rotating
machinery, impact fatigue in joint structures.
The aim of this International Symposium on Dynamics of
Vibro-Impact Systems is to provide a forum for the discussion of
recent developments in the theory and industrial applications of
vibro-impact ocean systems. A special effort has been made to
invite active researchers from engineering, science, and applied
mathematics communities. This symposium has indeed updated
engineers with recent analytical developments of vibro-impact
dynamics and at the same time allowed engineers and industrial
practitioners to alert mathematicians with their unresolved issues.
The symposium was held in Troy, Michigan, during the period October
1-3, 2008. It included 28 presentations grouped as follows: The
first group comprises of nine papers dealing with the interaction
of ocean systems with slamming waves and floating ice. It also
covers related topics such as sloshing-slamming dynamics, and
non-smooth dynamics associated with offshore structures. Moreover,
it includes control issues pertaining to marine surface vessels.
The second group consists of fifteen papers treats the interaction
of impact systems with friction and their control, Hertzian contact
dynamics, parameter variation in vibro-impact oscillators, random
excitation of vibro-impact systems, vibro-impact dampers,
oscillators with a bouncing ball, limiting phase trajectory
corresponding to energy exchange between the oscillator and
external source, frequency-energy distribution in oscillators with
impacts, and discontinuity mapping. The third group is covered in
four papers and addresses some industrial applications such as
hand-held percussion machines, rub-impact dynamics of rotating
machinery, impact fatigue in joint structures.
Squeal noise is observed frequently when one metal counter face
slides over another metal counter face under certain conditions.
Squeal frequency range is 500 Hz - 20 kHz, with very sharp peaks
and high sound pressure level. Two cases that squeal noise is often
found are railway systems and braking systems. In this book author
proposes new experiment-based method to predict squeal noise
occurrence in a structure with friction. It is found that modal
coupling instability analysis is an appropriate mechanism to
explore more deeply about this kind of noise. There are two aspects
that have significant role and related each other in squeal noise
generation i.e.; the structure and contact surfaces. The author
proposes an idea to predict the squeal noise occurrence by
experimental modal analysis and experimental spatial matrix
identification. Using spatial matrices that derived from
experimental modal data, unstable mode coupling that causes squeal
noise can be predicted within the practically realistic range of
friction coefficient and contact stiffness.
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