Article (Scientific journals)
On magnetorheologic elastomers for vibration isolation, damping, and stress reduction in mass-varying structures
Collette, Christophe; Kroll, Gregory G.; Saive, Grégory et al.
2010In Journal of Intelligent Material Systems and Structures, 21 (15), p. 1463-1469
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Abstract :
[en] This article considers two devices based on a magnetorheological elastomer (MRE): an MRE isolator under a frequency-varying harmonic excitation and a MRE Dynamic Vibration Absorber (DVA) mounted on a frequency-varying structure under a random excitation. In the first case, it is shown that the commandability of the elastomer improves the reduction of the RMS value of the body displacement by 10\%. In the second case, it is shown on a simple example that a MRE DVA, while not optimal, can reduce the stress in the structure about 50 better than a classical DVA when the mass of the structure changes 35\%. This makes them suitable to avoid high stress in mass-varying structures, and delay some damage mechanisms like the emergence of cracks and fatigue. © 2010 The Author(s).
Disciplines :
Mechanical engineering
Author, co-author :
Collette, Christophe  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Active aerospace struct. and adv. mecha. systems
Kroll, Gregory G.
Saive, Grégory
Guillemier, Vincent
Avraam, More Thomas
Language :
English
Title :
On magnetorheologic elastomers for vibration isolation, damping, and stress reduction in mass-varying structures
Publication date :
2010
Journal title :
Journal of Intelligent Material Systems and Structures
ISSN :
1045-389X
Publisher :
SAGE Publications
Volume :
21
Issue :
15
Pages :
1463-1469
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
SCOPUS: cp.j Language of publication: en DOI: 10.1177/1045389X09357973
Available on ORBi :
since 20 October 2020

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