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Strong magnetomechanical FE coupling using local magnetostriction forces*

Published online by Cambridge University Press:  15 February 2001

K. Delaere ,
W. Heylen ,
R. Belmans  and
K. Hameyer
K. Delaere
Affiliation:
Katholieke Universiteit Leuven, Dept. Electrical Engineering, Div. Electric Energy (ESAT-ELEN), Kasteelpark Arenberg 10, 3001 Leuven, Belgium
W. Heylen
Affiliation:
Katholieke Universiteit Leuven, Dept. Mechanics, Division PMA, Celestijnenlaan 300B, 3001 Leuven, Belgium
R. Belmans
Affiliation:
Katholieke Universiteit Leuven, Dept. Electrical Engineering, Div. Electric Energy (ESAT-ELEN), Kasteelpark Arenberg 10, 3001 Leuven, Belgium
K. Hameyer*
Affiliation:
Katholieke Universiteit Leuven, Dept. Electrical Engineering, Div. Electric Energy (ESAT-ELEN), Kasteelpark Arenberg 10, 3001 Leuven, Belgium
*
[email protected]
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Abstract

The magnetic material's deformation caused by magnetostriction is represented by an equivalent set of mechanical forces, giving the same deformation to the material as magnetostriction does. This is done in a way similar to how thermal stresses are usually incorporated into stress analysis. The resulting magnetostriction force distribution can be superposed onto other force distributions, like the magnetic force distribution. These two force distributions are the key ingredients of a numerically strong coupling of the magnetic and the mechanical finite element systems.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 13 , Issue 2 , February 2001 , pp. 115 - 119
Copyright
© EDP Sciences, 2001

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Footnotes

*

This paper has been presented at NUMELEC 2000.

References

L. Låftman, Ph.D. thesis, Lund Institute of Technology Sweden, 1995.
H. Pfützner, in Proceedings of the Xth International Symposium on Theoretical Electrical Eningeering ISTET'99, Magdeburg, Germany, 1999, p. 377.
K. Delaere et al., in Proceedings of the Xth International Symposium on Theoretical Electrical Eningeering ISTET'99, Magdeburg, Germany, 1999, p. 417.
D. Jiles, Introduction to Magnetism and Magnetic Materials (Chapman and Hall 1991).
B.D. Cullity, Introduction to Magnetic Materials (Addison-Wesley - Series in Metallurgy and Materials, Philippines 1972).