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Magnetoelastic bending and stability of current-carrdying coil structures

Magnetoelastic bending and stability of current-carrdying coil structures Abstract As a results of magnetoelastic interaction, the mechanical behavior of current-carrying coil structures, such as deformation and instability, is a key problem in the design of strong field magnets. In this paper, a nonlinear mathematical model is presented to described the deformation and buckling of D-type current-carrying coil, based on the Biot-Savart law and the bending theory of curved beams. The bending deformation, the critical value of current for the magnetoelastic buckling of the current-carrying coil, and the effect of the type and number of supports at middle part of the bendling coil on the critical value are quantitatively investigated by a semi-analytical and semi-numerical method. The numerical results are shown to be in good agreement with the experimental data. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png "Acta Mechanica Sinica" Springer Journals

Magnetoelastic bending and stability of current-carrdying coil structures

"Acta Mechanica Sinica" , Volume 13 (3): 11 – Aug 1, 1997

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References (8)

Publisher
Springer Journals
Copyright
1997 Chinese Society of Theoretical and Applied Mechanics
ISSN
0567-7718
eISSN
1614-3116
DOI
10.1007/BF02487707
Publisher site
See Article on Publisher Site

Abstract

Abstract As a results of magnetoelastic interaction, the mechanical behavior of current-carrying coil structures, such as deformation and instability, is a key problem in the design of strong field magnets. In this paper, a nonlinear mathematical model is presented to described the deformation and buckling of D-type current-carrying coil, based on the Biot-Savart law and the bending theory of curved beams. The bending deformation, the critical value of current for the magnetoelastic buckling of the current-carrying coil, and the effect of the type and number of supports at middle part of the bendling coil on the critical value are quantitatively investigated by a semi-analytical and semi-numerical method. The numerical results are shown to be in good agreement with the experimental data.

Journal

"Acta Mechanica Sinica"Springer Journals

Published: Aug 1, 1997

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