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Active and Passive Vibration Damping
book

Active and Passive Vibration Damping

by Amr M. Baz
April 2019
Intermediate to advanced
752 pages
21h 21m
English
Wiley
Content preview from Active and Passive Vibration Damping

Glossary

Active constrained layer damping (ACLD)
ACLD is a damping treatment consisting of a viscoelastic layer sandwiched between two piezoelectric layers. The bottom layer acts as a sensor bonded to the structure and the top layer acts as an actuator to enhance the shear strain in response to structural vibration.
Active piezoelectric damping composites (APDC)
APDC is a damping treatment consisting of a viscoelastic (VEM) layer with embedded matrix of piezoelectric fibers. The fibers are embedded either perpendicularly or obliquely to the surface of the VEM to enhance compression damping or compression and shear damping, respectively when the piezo‐fibers are activated.
Attenuation parameter ( α )
It is the real part of the propagation parameter (μ) which represents the logarithmic decay of the state vector as the wave propagates between adjacent cells.
Augmented temperature field (ATF)
The ATF method is a physically‐based approach that models the VEM by introducing a temperature field to interact with the structural field of a vibrating structure. The augmented field is described by a first order differential equation in an internal degree of freedom of the VEM.
Burgers model
It consists of a Maxwell VEM model in series with a Kelvin–Voigt VEM model.
Constrained layer damping (CLD)
It is a damping treatment consisting of a VEM sandwiched between a base structure and a constraining layer in order to introduce shear deformation in the VEM. This shear deformation ...
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Publisher Resources

ISBN: 9781118481929Purchase book