Large-scale analysis of magnetic particle dynamics taking into account contact force and magnetic interaction with the fast multipole method

Takuya Tatsuishi; Yasuhito Takahashi; Masahiko Miwa; Shinji Wakao; Koji Fujiwara; Yoshiyuki Ishihara

doi:10.1063/1.3556914

Large-scale analysis of magnetic particle dynamics taking into account contact force and magnetic interaction with the fast multipole method

Takuya Tatsuishi, Yasuhito Takahashi^*, Masahiko Miwa, Shinji Wakao, Koji Fujiwara, Yoshiyuki Ishihara

^*Corresponding author for this work

School of Advanced Science and Engineering

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

This paper investigates a large-scale analysis of magnetic particles' behavior in magnetic fields by using a novel method combining the discrete element method and the magnetic interaction calculation with the fast multipole method (FMM). Furthermore, the effective formulae for the derivative of the magnetic field in the FMM procedure, which is necessary to calculate magnetic forces among a large number of magnetic particles, are proposed. Numerical examples of large-scale magnetic-particle chain analysis that demonstrate the effectiveness of the proposed method are presented.

Original language	English
Article number	07D331
Journal	Journal of Applied Physics
Volume	109
Issue number	7
DOIs	https://doi.org/10.1063/1.3556914
Publication status	Published - 2011 Apr 1

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1063/1.3556914

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AU - Tatsuishi, Takuya

AU - Takahashi, Yasuhito

AU - Miwa, Masahiko

AU - Wakao, Shinji

AU - Fujiwara, Koji

AU - Ishihara, Yoshiyuki

PY - 2011/4/1

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AB - This paper investigates a large-scale analysis of magnetic particles' behavior in magnetic fields by using a novel method combining the discrete element method and the magnetic interaction calculation with the fast multipole method (FMM). Furthermore, the effective formulae for the derivative of the magnetic field in the FMM procedure, which is necessary to calculate magnetic forces among a large number of magnetic particles, are proposed. Numerical examples of large-scale magnetic-particle chain analysis that demonstrate the effectiveness of the proposed method are presented.

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Large-scale analysis of magnetic particle dynamics taking into account contact force and magnetic interaction with the fast multipole method

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