Numerical evaluation of natural frequency change of a ferromagnetic plate due to magnetic stiffness effect

T. Takagi, J. Tani, P. Ruatto, B. Krevet, L. V. Boccaccini

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

This paper describes the numerical simulation of the dynamic behavior of a ferromagnetic thin plate vibration in a magnetic field. The behavior of a ferromagnetic cantilevered plate, which is set in the direction of uniform magnetic field, shows that its natural frequency increases with the external magnetic induction. Two methods were applied to evaluate this phenomenon. The magnetic field of the deformed shape has been analyzed by 3D analysis and ID approximation. The natural frequencies were evaluated by the energy method in 3D case and by a transient response in ID case. The results show that the natural frequency change can be explained by the magnetic stiffness effect caused by magnetization including its saturation. (ci 1996 IEEE.

Original languageEnglish
Pages (from-to)1054-1057
Number of pages4
JournalIEEE Transactions on Magnetics
Volume32
Issue number3 PART 2
DOIs
Publication statusPublished - 1996 Dec 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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