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Parametric Study on Energy Pumping of Mdof System Using Multiple Dynamic Absorbers

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Condition Monitoring of Machinery in Non-Stationary Operations

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Abstract

The concept of energy pumping is an innovative dynamic phenomenon. This phenomenon gives rise to a new generation of dynamic absorbers. Theoretical studies and feasibility tests are necessary for a better understanding of their dynamic behaviour and for them to be applied on real structures or machines.

In this paper, numerical evidence is firstly given for the passive and broadband targeted energy transfer in the case of a linear system (Machine for example) under shock excitation with Multiple Dynamic Absorbers (MDA). Secondly, it is shown that many MDA absorb shock energy in a one way irreversible fashion and dissipate this energy locally, without “spreading” it back to the linear system. Finally, numerical results in the case of MDA linked to a linear beam are compared to Tuned Mass Dampers (TMD absorbers) linked to the same linear beam.

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References

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Author information

Authors and Affiliations

  1. Unité de Recherche Dynamique des Structures, l’Institut Préparatoire aux Études d’Ingénieur, de Nabeul, Campus Universitaire, 8000, M’rezgua, Nabeul, Tunisie

    Kamel Khélifi & Mohamed-Lamjed Bouazizi

  2. Département de Mécanique Appliquée – Institut FEMTO-ST, Université de Franche-Comté, 24 Chemin de l’Epitaphe, 25000, Besançon, France

    Emeline Sadoulet & Noureddine Bouhaddi

  3. Unité de recherche de Matériaux, Ecole Nationale d’Ingénieurs de Tunis, BP37, Le Belvédère, Tunis, Tunisie

    Rachid Nasri

Authors
  1. Kamel Khélifi
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  2. Mohamed-Lamjed Bouazizi
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  3. Emeline Sadoulet
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  4. Rachid Nasri
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  5. Noureddine Bouhaddi
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Corresponding author

Correspondence to Kamel Khélifi .

Editor information

Editors and Affiliations

  1. National School of Engineers of Sfax, Sfax, 3038, Tunisia

    Tahar Fakhfakh

  2. Wrocław University of Technology, pl. Teatralny 2, Wrocław, 50 051, Poland

    Walter Bartelmus

  3. National School of Engineers of Sfax, Sfax, 3038, Tunisia

    Fakher Chaari

  4. Wrocław University of Technology, pl. Teatralny 2, Wrocław, 50 051, Poland

    Radoslaw Zimroz

  5. National School of Engineers of Sfax, Sfax, 3038, Tunisia

    Mohamed Haddar

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© 2012 Springer-Verlag GmbH Berlin Heidelberg

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Khélifi, K., Bouazizi, ML., Sadoulet, E., Nasri, R., Bouhaddi, N. (2012). Parametric Study on Energy Pumping of Mdof System Using Multiple Dynamic Absorbers. In: Fakhfakh, T., Bartelmus, W., Chaari, F., Zimroz, R., Haddar, M. (eds) Condition Monitoring of Machinery in Non-Stationary Operations. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-28768-8_62

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  • DOI: https://doi.org/10.1007/978-3-642-28768-8_62

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-28767-1

  • Online ISBN: 978-3-642-28768-8

  • eBook Packages: EngineeringEngineering (R0)

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