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Frequency Tuning of Vibration Absorb...

Harel, Swapnil Subhash.

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Frequency Tuning of Vibration Absorber Using Topology Optimization.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Frequency Tuning of Vibration Absorber Using Topology Optimization./
Author:	Harel, Swapnil Subhash.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2017,
Description:	80 p.
Notes:	Source: Masters Abstracts International, Volume: 56-05.
Contained By:	Masters Abstracts International56-05(E).
Subject:	Mechanical engineering. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10629487
ISBN:	9781369995787

Frequency Tuning of Vibration Absorber Using Topology Optimization.
Harel, Swapnil Subhash.

Frequency Tuning of Vibration Absorber Using Topology Optimization. - Ann Arbor : ProQuest Dissertations & Theses, 2017 - 80 p.

Source: Masters Abstracts International, Volume: 56-05.

Thesis (M.S.M.E.)--The University of Texas at Arlington, 2017.

A tuned mass absorber is a system for reducing the amplitude in one oscillator by coupling it to a second oscillator. If tuned correctly, the maximum amplitude of the first oscillator in response to a periodic driver will be lowered, and much of the vibration will be 'transferred' to the second oscillator. The tuned vibration absorber (TVA) has been utilized for vibration control purposes in many sectors of Civil/Automotive/Aerospace Engineering for many decades since its inception. Time and again we come across a situation in which a vibratory system is required to run near resonance. In the past, approaches have been made to design such auxiliary spring mass tuned absorbers for the safety of the structures. This research focuses on the development and optimization of continuously tuned mass absorbers as a substitute to the discretely tuned mass absorbers (spring- mass system). After conducting the study of structural behavior, the boundary condition and frequency to which the absorber is to be tuned are determined. The Modal analysis approach is used to determine mode shapes and frequencies. The absorber is designed and optimized using the topology optimization tool, which simultaneously designs, optimizes and tunes the absorber to the desired frequency. The tuned, optimized absorber, after post processing, is attached to the target structure. The number of the absorbers are increased to amplify bandwidth and thereby upgrade the safety of structure for a wide range of frequency. The frequency response analysis is carried out using various combinations of structure and number of absorber cell.

ISBN: 9781369995787Subjects--Topical Terms:

649730
Mechanical engineering.

Frequency Tuning of Vibration Absorber Using Topology Optimization.
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260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2017
300 $a 80 p.
500 $a Source: Masters Abstracts International, Volume: 56-05.
500 $a Adviser: Robert Taylor; Bo Wang.
502 $a Thesis (M.S.M.E.)--The University of Texas at Arlington, 2017.
520 $a A tuned mass absorber is a system for reducing the amplitude in one oscillator by coupling it to a second oscillator. If tuned correctly, the maximum amplitude of the first oscillator in response to a periodic driver will be lowered, and much of the vibration will be 'transferred' to the second oscillator. The tuned vibration absorber (TVA) has been utilized for vibration control purposes in many sectors of Civil/Automotive/Aerospace Engineering for many decades since its inception. Time and again we come across a situation in which a vibratory system is required to run near resonance. In the past, approaches have been made to design such auxiliary spring mass tuned absorbers for the safety of the structures. This research focuses on the development and optimization of continuously tuned mass absorbers as a substitute to the discretely tuned mass absorbers (spring- mass system). After conducting the study of structural behavior, the boundary condition and frequency to which the absorber is to be tuned are determined. The Modal analysis approach is used to determine mode shapes and frequencies. The absorber is designed and optimized using the topology optimization tool, which simultaneously designs, optimizes and tunes the absorber to the desired frequency. The tuned, optimized absorber, after post processing, is attached to the target structure. The number of the absorbers are increased to amplify bandwidth and thereby upgrade the safety of structure for a wide range of frequency. The frequency response analysis is carried out using various combinations of structure and number of absorber cell.
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710 2 $a The University of Texas at Arlington. $b Mechanical and Aerospace Engineering. $3 3286584
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