scholarly journals Control Theoretic Approach to Iterative Methods for Large-scale Toeplitz-type Systems with Application to Magnetic Field Analysis

2012 ◽  
Vol 48 (7) ◽  
pp. 441-449
Author(s):  
Tomohito ODA ◽  
Kenji KASHIMA ◽  
Jun-ichi IMURA ◽  
Shuji MIYAZAKI ◽  
Hiroshi MORITA
Keyword(s):  
Magnetic Field ◽  
Iterative Methods ◽  
Large Scale ◽  
Type Systems ◽  
Field Analysis ◽  
Theoretic Approach ◽  
Magnetic Field Analysis

Large-scale and highly accurate magnetic field analysis of magnetic shield

2006 ◽  
Vol 99 (8) ◽  
pp. 08H904 ◽  
Author(s):  
Y. Takahashi ◽  
S. Wakao ◽  
A. Kameari
Keyword(s):  
Magnetic Field ◽  
Large Scale ◽  
Field Analysis ◽  
Magnetic Shield ◽  
Magnetic Field Analysis

Large-Scale Magnetic Field Analysis Using Supercomputer $K$

2018 ◽  
Author(s):  
Yoshihiro Kawase ◽  
Tadashi Yamaguchi ◽  
Masaya Murashita ◽  
Shota Ishimura ◽  
Tomohiro Ota ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Large Scale ◽  
Field Analysis ◽  
Magnetic Field Analysis ◽  
Large Scale Magnetic Field

scholarly journals Numerical study of magnetohydrodynamic duct flow at high Reynolds and Hartmann numbers

2012 ◽  
Vol 704 ◽  
pp. 421-446 ◽  
Author(s):  
Dmitry Krasnov ◽  
Oleg Zikanov ◽  
Thomas Boeck
Keyword(s):  
Magnetic Field ◽  
Large Scale ◽  
Numerical Study ◽  
Transverse Magnetic ◽  
Field Analysis ◽  
Small Scale ◽  
Duct Flow ◽  
Mean Velocity ◽  
Magnetic Field Analysis ◽  
The Magnetic Field

AbstractHigh-resolution direct numerical simulations are conducted to analyse turbulent states of the flow of an electrically conducting fluid in a duct of square cross-section with electrically insulating walls and imposed transverse magnetic field. The Reynolds number of the flow is $1{0}^{5} $ and the Hartmann number varies from $0$ to $400$. It is found that there is a broad range of Hartmann numbers in which the flow is neither laminar nor fully turbulent, but has laminar core, Hartmann boundary layers and turbulent zones near the walls parallel to the magnetic field. Analysis of turbulent fluctuations shows that each zone consists of two layers: the boundary layer near the wall characterized by small-scale turbulence and the outer layer dominated by large-scale vortical structures strongly elongated in the direction of the magnetic field. We also find a peculiar scaling of the mean velocity, according to which the reciprocal von Kármán coefficient grows nearly linearly with the distance to the wall.

scholarly journals Proposal for Benchmark Model of Laminated Iron Core and the Large-scale and Highly Accurate Magnetic Field Analysis

2007 ◽  
Vol 127 (8) ◽  
pp. 894-901
Author(s):  
Yasuhito Takahashi ◽  
Shinji Wakao ◽  
Koji Fujiwara ◽  
Hiroyuki Kaimori ◽  
Akihisa Kameari
Keyword(s):  
Magnetic Field ◽  
Large Scale ◽  
Field Analysis ◽  
Iron Core ◽  
Benchmark Model ◽  
Magnetic Field Analysis
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