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

doi:10.1109/20.497422

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

Karlsruhe Institute of Technology

Research output: Contribution to journal › Article › peer-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 language	English
Pages (from-to)	1054-1057
Number of pages	4
Journal	IEEE Transactions on Magnetics
Volume	32
Issue number	3 PART 2
DOIs	https://doi.org/10.1109/20.497422
Publication status	Published - 1996

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AU - Takagi, T.

AU - Tani, J.

AU - Ruatto, P.

AU - Krevet, B.

AU - Boccaccini, L. V.

PY - 1996

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N2 - 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.

AB - 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.

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

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