Title :
Three dimensional finite elements modeling of superconductors
Author :
Rubinacci, Guglielmo ; Tamburrino, Antonello ; Villone, Fabio
Author_Institution :
Lab. of Comput. Electromagn., Cassino Univ., Italy
fDate :
7/1/2000 12:00:00 AM
Abstract :
In this paper we present a variational formulation for the solution of eddy current problems in presence of superconductors. A suitable formulation of the macroscopic constitutive law is used so that an unconstrained minimization has to be performed. The electromagnetic problem is solved using an integral formulation, thus allowing us to discretize only the conducting regions. The method, although tested against a 1D analytical solution, is implemented for fully 3D geometries
Keywords :
finite element analysis; flux creep; flux flow; superconducting materials; variational techniques; eddy current problems; electromagnetic problem; integral formulation; superconductors; three dimensional finite elements modeling; unconstrained minimization; variational formulation; Bean model; Creep; Finite element methods; High temperature superconductors; Magnetic domains; Magnetic levitation; Magnetic materials; Mathematical model; Numerical models; Superconductivity;
Journal_Title :
Magnetics, IEEE Transactions on
