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Vibration Problems ICOVP 2011 pp 227–233Cite as

Vibration of the Package of Rods Linked by Spacer Grids

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Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 139))

Abstract

This paper deals with modelling and vibration analysis of the large package of identical parallel rods which are linked by transverse springs (spacer grids) placed on several level spacings. The vibration of rods is caused by the support plate motion. The rod discretization by FEM is based on Rayleigh beam theory. With respect to cyclic and central package rod symmetry, the system is decomposed to identical revolved rod segments. The modal synthesis method with condensation of the rod segments is used for modelling and determination of steady forced vibration of the whole system. The presented method is the first step to modelling of the nuclear fuel assembly vibration caused by kinematical excitation determined by motion of the support plates which are part of the reactor core.

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References

  1. Hlaváč, Z., Zeman, V.: The seismic response affection of the nuclear reactor WWER 1000 by nuclear fuel assemblies. Eng. Mech. 17, 147 (2010)

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  2. Zeman, V., Hlaváč, Z.: Dynamic response of VVER 1000 type reactor excited by pressure pulsations. Eng. Mech. 15, 435 (2008)

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  3. Hlaváč, Z., Zeman, V.: Transverse vibrations of the rod package linked by grids. In: Proceedings of Dynamics of Rigid and Deformable Bodies, p. 1. University J.E. Purkyně, Ústí nad Labem (2010)

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  4. Géradin, M., Rixen, D.: Mechanical Vibrations. Wiley, New York (1998)

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  5. Zeman, V.: Vibration of mechanical systems by the modal synthesis method. ZAMM. 75, 99 (1994)

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Acknowledgements

This work was supported by the research project MSM 4977751303 of the Ministry of Education, Youth and Sports of the Czech Republic.

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Authors and Affiliations

  1. University of West Bohemia, Pilsen, Czech Republic

    V. Zeman & Z. Hlaváč

Authors
  1. V. Zeman
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  2. Z. Hlaváč
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Corresponding author

Correspondence to V. Zeman .

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Editors and Affiliations

  1. , Institute of Theoretical and Applied Mec, Academy of Sciences of the Czech Republi, Prosecka 76, Prague 9, 190 00, Czech Republic

    Jiří Náprstek

  2. , Institute of Thermomechanics, Academy of Sciences of the Czech Republi, Dolejskova 1402/5, Prague, 18200, Czech Republic

    Jaromír Horáček

  3. , Institute of Thermomechanics, Academy of Sciences of the Czech Republi, Dolejskova 1402/5, Prague, 18200, Czech Republic

    Miloslav Okrouhlík

  4. , Dept. of Engineering Mechanics, Technical University of Liberec, Studentska 2, Liberec, 46117, Czech Republic

    Bohdana Marvalová

  5. , Mathematisch Instituut, University of Utrecht, Budapestlaan 6, Utrecht, 3584 CD, Netherlands

    Ferdinand Verhulst

  6. , Center for Rotating Machinery Dynamics a, Cleveland State University, Euclid Avenue 2121SH 248, Cleveland, 44115-2214, Ohio, USA

    Jerzy T. Sawicki

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© 2011 Springer Science+Business Media B.V.

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Zeman, V., Hlaváč, Z. (2011). Vibration of the Package of Rods Linked by Spacer Grids. In: Náprstek, J., Horáček, J., Okrouhlík, M., Marvalová, B., Verhulst, F., Sawicki, J. (eds) Vibration Problems ICOVP 2011. Springer Proceedings in Physics, vol 139. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-2069-5_31

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  • DOI: https://doi.org/10.1007/978-94-007-2069-5_31

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  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-007-2068-8

  • Online ISBN: 978-94-007-2069-5

  • eBook Packages: Physics and AstronomyPhysics and Astronomy (R0)

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