Abstract #0720

Fourier Series Network Method for 3D Simulations of Eddy Currents Induced in Multilayer Cryostats by Arbitrary Coils

Michael Stephen Poole¹, Hector Sanchez Lopez¹, Shin-ichi Urayama², Hitohsi Kitaguchi³, Osamu Ozaki⁴, Stuart Crozier¹

¹ITEE, University of Queensland, Brisbane, QLD, Australia; ²Human Brain Research Center, Kyoto University Graduate School of Medicine, Kyoto, Japan; ³National Institute for Materials Science, Tsukuba, Japan; ⁴Kobe Steel Ltd., Kobe, Japan

A new method is presented for simulating the eddy currents induced in magnet cryostat structures by switching gradient coils. Multiple thick cryostat layers are modelled accurately using the network method. Fourier decomposed basis-functions in z and Φ allow the 3D simulation of eddy currents from X, Y, Z or any other coils. Simulations are applied to the cryostat of a HTS magnet currently under construction.