Transient 3D Finite Element Simulations of the SIS100 Magnet Considering Anisotropic, Nonlinear Material Models for the Ferromagnetic Yoke

Author

Koch, Stephan ; De Gersem, Herbert ; Weiland, Thomas ; Fischer, Egbert ; Moritz, Gebhard

Author_Institution

Inst. fur Theor. Elektromagn. Felder (TEMF), Tech. Univ. Darmstadt, Darmstadt

Volume

18

Issue

2

fYear

2008

fDate

6/1/2008 12:00:00 AM

Firstpage

1601

Lastpage

1604

Abstract

During the design and optimization phase of the superconductive dipole magnets for the new SIS100 synchrotron at GSI Darmstadt, numerical simulations are carried out to predict the losses due to eddy currents in the laminated yoke. In order to represent the ferromagnetic iron in the numerical model, homogenized material models accounting for the anisotropy induced by the lamination are applied. For a simplified geometry of the SIS100 dipole magnet, the eddy-current losses obtained using different anisotropic nonlinear material models are compared.

Keywords

accelerator magnets; eddy current losses; ferromagnetic materials; finite element analysis; iron; magnetic anisotropy; superconducting magnets; anisotropic nonlinear material models; eddy-current losses; ferromagnetic iron; homogenized material models; lamination induced anisotropy; superconductive dipole magnets; transient 3D finite element simulations; Accelerator magnets; eddy-current losses; homogenization; numerical simulation;

fLanguage

English

Journal_Title

Applied Superconductivity, IEEE Transactions on

Publisher

ieee

ISSN

1051-8223

Type

jour

DOI

10.1109/TASC.2008.921892

Filename

4493374