FEM Calculation of Magnetization Process in a Multi-Filamentary Superconductor

Superconductor magnetization was calculated using commercial FEM program. It is easy to create models of complex structures if we use commercial programs. Calculating superconductor magnetization using such program requires some techniques because commercially available FEM programs are made only fo...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2007-06, Vol.17 (2), p.3741-3744
Main Authors: Wake, M., Yamada, R.
Format: Article
Language:English
Subjects:
Applied sciences
Computer simulation
Conductors
Current density
Electrical engineering. Electrical power engineering
Electronics
Exact sciences and technology
Finite element method
Finite element methods
Flux
losses
Magnetic analysis
Magnetic hysteresis
Magnetization
Magnetization processes
Materials
Mathematical models
Multifilamentary superconductors
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
simulation
Slabs
Spreads
superconducting composites
Superconducting devices
Superconducting filaments and wires
Superconducting magnets
Superconducting thin films
Superconductivity
Superconductors
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Description
Summary:Superconductor magnetization was calculated using commercial FEM program. It is easy to create models of complex structures if we use commercial programs. Calculating superconductor magnetization using such program requires some techniques because commercially available FEM programs are made only for specific problems such as thermal, deformation and field calculation. We have successfully made a simulation of flux motion and magnetization using ANSYS. Flux motion in multi-filamentary Nb 3 Sn conductor with superconducting diffusion barrier was vividly seen as a motion picture. Fluxes spreads after penetrating through barrier and penetration into each filament take place. Magnetization curves of Bean model and variable Jc models were reasonably calculated.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2007.899363