VIBRATION PARAMETERS OF SANDWICH BEAMS WITH TWO TYPES OF MR FLUID

Authors

  • Mateusz Romaszko AGH University of Science and Technology
  • Sebastian Pakuła AGH University of Science and Technology
  • Bogdan Sapiński AGH University of Science and Technology
  • Jacek Snamina AGH University of Science and Technology

Keywords:

beam, MR fluid, vibration

Abstract

The study presents the results of laboratory studies on free vibrations of sandwich beams filled with magneto-rheological (MR) fluids characterised by various proportions of ferromagnetic particles by weight. Based on the obtained results, it was possible to determine the impact of the content of the particles in question on the natural frequency of free vibrations and the dimensionless damping coefficient of beam.

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References

Mazla S.A., Issa A., Chowdhury H.A., Olabi A.G. 2009, Tensile stressstrain relationship of magnetorheological fluids under various factors. Solid State Phenomena, 154, pp. 127-132.

Lara-Prieto V., Parkin R., Jackson M., Silberschmidt V., Kęsy Z. 2010, Vibration characteristics of MR cantilever sandwich beams: experimental study. Smart Materials and Structures, 19.

Sapiński B., Snamina J. 2009, Vibration of a beam with magnetorheological fluid in non-homogeneous magnetic field. Engineering Modelling, 6, pp. 241-248.

Sapiński B., Snamina J., Romaszko M. 2010, Identification of model parameters of a sandwich beam incorporating magnetorheological fluid. Vibration in Physical Systems, 24.

Sapiński B., Snamina J., Romaszko M. 2010, FEM modelling of a three-layered beam with magnetorheological fluid. Engineering Modelling, 8, pp. 185-192.

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Published

2011-09-24

Issue

Vol. 30 No. 3 (2011)

Section

Articles

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