Using the relaxation method, a numerical calculation of three dimensional electric field in the central region was described of a three-sector cyclotron with 20? rotation of ion source surface with repect to dee gap.

• 本文描述了用弛豫法对离子源表面相对D极间隙旋转20°后,三叶扇形回旋加速器中心区的三维电场的数值计算。