Numerical evaluation of maximum stress of a bulk superconductor in partial magnetization

Author

Tsuchimoto, M. ; Murata, K. ; Iori, M. ; Itoh, Y.

Author_Institution

Hokkaido Inst. of Technol., Sapporo, Japan

Volume

14

Issue

2

fYear

2004

fDate

6/1/2004 12:00:00 AM

Firstpage

1122

Lastpage

1125

Abstract

Stresses in a bulk high-temperature superconductor (HTS) are numerically evaluated in magnetization process by field cooling. Shielding current distributions are obtained through macroscopic numerical simulation using Maxwell equations and critical state model. Stress distributions are obtained through numerical analysis using finite-element method. Differences between 1D and axisymmetric 3D solutions are discussed for the maximum stress distributions. Magnetic field profiles on the HTS are also discussed to estimate the shielding current distribution and maximum stress in partial magnetization.

Keywords

Maxwell equations; current distribution; finite element analysis; high-temperature superconductors; magnetic cooling; magnetic shielding; magnetisation; stress analysis; Maxwell equations; bulk high-temperature superconductor; bulk superconductor; critical state model; field cooling; finite-element method; macroscopic numerical simulation; magnetic field profiles; magnetization process; maximum stress distributions; numerical analysis; numerical evaluation; partial magnetization; shielding current distributions; Cooling; Current distribution; Finite element methods; High temperature superconductors; Magnetic shielding; Magnetization processes; Maxwell equations; Numerical analysis; Numerical simulation; Stress; Bulk superconductor; maximum stress; shielding current distribution;

fLanguage

English

Journal_Title

Applied Superconductivity, IEEE Transactions on

Publisher

ieee

ISSN

1051-8223

Type

jour

DOI

10.1109/TASC.2004.830440

Filename

1324993