Active and Passive Vibration Damping

Active and Passive Vibration Damping
Author: Amr M. Baz
Publisher: John Wiley & Sons
Total Pages: 751
Release: 2019-04-08
Genre: Technology & Engineering
ISBN: 1118481925

A guide to the application of viscoelastic damping materials to control vibration and noise of structures, machinery, and vehicles Active and Passive Vibration Damping is a practical guide to the application of passive as well as actively treated viscoelastic damping materials to control vibration and noise of structures, machinery and vehicles. The author — a noted expert on the topic — presents the basic principles and reviews the potential applications of passive and active vibration damping technologies. The text presents a combination of the associated physical fundamentals, governing theories and the optimal design strategies of various configurations of vibration damping treatments. The text presents the basics of various damping effective treatments such as constrained layers, shunted piezoelectric treatments, electromagnetic and shape memory fibers. Classical and new models are included as well as aspects of viscoelastic materials models that are analyzed from the experimental characterization of the material coefficients as well as their modeling. The use of smart materials to augment the vibration damping of passive treatments is pursued in depth throughout the book. This vital guide: Contains numerical examples that reinforce the understanding of the theories presented Offers an authoritative text from an internationally recognized authority and pioneer on the subject Presents, in one volume, comprehensive coverage of the topic that is not available elsewhere Presents a mix of the associated physical fundamentals, governing theories and optimal design strategies of various configurations of vibration damping treatments Written for researchers in vibration damping and research, engineers in structural dynamics and practicing engineers, Active and Passive Vibration Damping offers a hands-on resource for applying passive as well as actively treated viscoelastic damping materials to control vibration and noise of structures, machinery and vehicles.

Handbook of Viscoelastic Vibration Damping

Handbook of Viscoelastic Vibration Damping
Author: David I. G. Jones
Publisher: John Wiley & Sons
Total Pages: 412
Release: 2001-07-10
Genre: Technology & Engineering
ISBN: 9780471492481

Die weitestgehende Verhinderung unerwünschter Vibrationen ist eine unbedingte Voraussetzung für eine fehlerfreie Funktion von Maschinen und Anlagen. Eine wirksame Lösung besteht darin, viskoelastische Werkstoffe in oder um das vibrierende Bauteil einzufügen. Dieser Band erklärt die Grundlagen der viskoelastischen Dämpfung in leicht verständlichem Stil.

Vibration Damping

Vibration Damping
Author: Ahid D. Nashif
Publisher: John Wiley & Sons
Total Pages: 484
Release: 1991-01-16
Genre: Technology & Engineering
ISBN: 9780471867722

A practical approach to the application of viscoelastic damping materials to control vibration and noise problems in industrial structures, machinery, computer machinery, and vehicles. Assuming a basic understanding of mechanical engineering, the text covers implementation of theory, including material properties, dynamic structural response, design procedures and practical applications. Based on an understanding of both the properties of materials and the vibrational response of structures. Considers individual structures and the damping materials properties simultaneously. Includes extensive collection of data sheets for a large number of useful damping materials.

Energy Dissipation in a Vibration Damper Utilizing a Viscoelastic Suspension

Energy Dissipation in a Vibration Damper Utilizing a Viscoelastic Suspension
Author: John P. Henderson
Publisher:
Total Pages: 68
Release: 1965
Genre: Airframes
ISBN:

The energy dissipation in a single degree of freedom linear vibration damper, consisting of a mass suspended on a 'spring' made from viscoelastic material, was investigated both analytically and experimentally. Analytical techniques utilizing measured values of the complex modulus of a few ''typical'' viscoelastic materials are described. The effects of changes of material properties with temperature and frequency are considered. It is shown that a damper of this type is effective at frequencies near its undamped resonant frequency and above. A unique experimental technique for measuring the energy dissipated per cycle in the damper is described. Phase and amplitude calibrations, together with the method used for mass cancellation, are discussed. Agreement between analysis and experiment is shown to be generally within the accuracy of most of the complex modulus data currently available for damping materials.

Constrained Viscoelastic Layer Damping of Thick Aluminum Plates

Constrained Viscoelastic Layer Damping of Thick Aluminum Plates
Author: Michael John Bateman
Publisher:
Total Pages: 138
Release: 1990
Genre: Configurations
ISBN:

Modern naval warfare has been increasingly dependent upon the acoustic silencing of the participants. Constrained viscoelastic layer damping of vibrating elements is one method which can be used to meet acoustic silencing goals. This paper considers constrained viscoelastic layer damping treatments applied to a thick aluminum plate, including single layer, double layer, a milled pocket plate, and a milled 'floating element' configuration. High modal damping values were obtained for each damping configuration. The Modal Strain Energy method, using finite element analysis to estimate modal loss factors, was investigated for use as a tool in constrained viscoelastic layer damping design. A comparison of experimentally measured frequency response and modal loss factors with those predicted by the modal stain energy method is presented to confirm the possible use of the modal strain energy method as a design tool. Keywords: Vibration, Damping, Viscoelastic material, Constrained layer damping. (JS).

Active and Passive Vibration Damping

Active and Passive Vibration Damping
Author: Amr M. Baz
Publisher: John Wiley & Sons
Total Pages: 752
Release: 2018-12-10
Genre: Technology & Engineering
ISBN: 1118537580

A guide to the application of viscoelastic damping materials to control vibration and noise of structures, machinery, and vehicles Active and Passive Vibration Damping is a practical guide to the application of passive as well as actively treated viscoelastic damping materials to control vibration and noise of structures, machinery and vehicles. The author — a noted expert on the topic — presents the basic principles and reviews the potential applications of passive and active vibration damping technologies. The text presents a combination of the associated physical fundamentals, governing theories and the optimal design strategies of various configurations of vibration damping treatments. The text presents the basics of various damping effective treatments such as constrained layers, shunted piezoelectric treatments, electromagnetic and shape memory fibers. Classical and new models are included as well as aspects of viscoelastic materials models that are analyzed from the experimental characterization of the material coefficients as well as their modeling. The use of smart materials to augment the vibration damping of passive treatments is pursued in depth throughout the book. This vital guide: Contains numerical examples that reinforce the understanding of the theories presented Offers an authoritative text from an internationally recognized authority and pioneer on the subject Presents, in one volume, comprehensive coverage of the topic that is not available elsewhere Presents a mix of the associated physical fundamentals, governing theories and optimal design strategies of various configurations of vibration damping treatments Written for researchers in vibration damping and research, engineers in structural dynamics and practicing engineers, Active and Passive Vibration Damping offers a hands-on resource for applying passive as well as actively treated viscoelastic damping materials to control vibration and noise of structures, machinery and vehicles.