[ 1] UDPA S. EM m ethods for ev alua tion o f prosthe tic hea rt valves[ J]. J o f App Phys, 2002, 10( 91): 7 769-7 773.
[ 2] COMSOL AB Inc. FEMLABR: User’s Gu ide[ Z]. COMSOL AB Inc, 2004.
[ 3] IRONS BM. A fron tal so lu tion prog ram for finite e lem en t ana lys is[ J]. Int J of Num er ica lM e thod Eng, 1970( 2): 5-32.
[ 4] YOU Q. Application o f substructurem ethod fo r larg em atrix [ J]. IEEE T rans onM ag, 1988, 1( 24): 326-329.
[ 5] A IHAMADIM A. Coupled vec to r-scalar potentia l me thod fo r 3D m agnetostatic fie ld compu tation using hexahedra l fin ite ele- m ent[ J] . IEEE T rans onMAG, 1996, 5( 32): 4 347-4 349.
[ 6] MAGELE C H, STOGNER H, PRE IS K. C om par ison of diffe rent fin ite e lem ent fo rmu la tions for 3D m agnetostatic prob lem s [ J] . IEEE T rans onMAG, 1988, 1( 24): 31-37.