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Books > Professional & Technical > Technology: general issues > Technical design
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Nonlinear Dynamic Phenomena in Mechanics (Hardcover, 2012 ed.)
Loot Price: R4,389
Discovery Miles 43 890
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Nonlinear Dynamic Phenomena in Mechanics (Hardcover, 2012 ed.)
Series: Solid Mechanics and Its Applications, 181
Expected to ship within 10 - 15 working days
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Nonlinear phenomena should play a crucial role in the design and
control of engineering systems and structures as they can
drastically change the prevailing dynamical responses. This book
covers theoretical and applications-based problems of nonlinear
dynamics concerned with both discrete and continuous systems of
interest in civil and mechanical engineering. They include
pendulum-like systems, slender footbridges, shape memory alloys,
sagged elastic cables and non-smooth problems. Pendulums can be
used as a dynamic absorber mounted in high buildings, bridges or
chimneys. Geometrical nonlinearities introduced by pendulum motion
may change the system dynamics, and entail a rapid increase of the
oscillations of both the structure and the pendulum, leading to
full pendulum rotation or chaotic dynamics. To magnetorheological
damping is proposed. Nonlinear mechanics has to be used to explain
undesired response in slender footbridges, such as that occurred in
the famous event of the London Millenium Bridge. The observed
phenomena can be explained by an analytical nonlinear discrete-time
model. Shape memory alloys (SMAs) exhibit very interesting
nonlinear thermo-mechanical properties such as shape memory effect
and superelasticity. SMA elements integrated within composite beams
or plates can be used for active modification of structure
properties e.g. by affecting their natural frequencies. Finite
amplitude, resonant, forced dynamics of sagged, horizontal or
inclined, elastic cables have recently undergone meaningful
research advances concerned with modelling, analysis, response, and
nonlinear/nonregular phenomena. A variety of features of nonlinear
multimodal interaction in different resonance conditions are
comparatively addressed. Non-smooth systems are very common in
engineering practice. Three mechanical engineering problems are
presented: (i) a vibro-impact system in the form of a moling
device, (ii) the influence of the opening and closing of a fatigue
crack on the host system dynamics, and (iii) nonlinear interactions
between a rotor and snubber ring system. This book is aimed at a
wide audience of engineers and researchers working in the field of
nonlinear structural vibrations and dynamics, and undergraduate and
postgraduate students reading mechanical, aerospace and civil
engineering.
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