Anew steady-state ion beam model for application to ion thrusters has been implemented in the MICHELLE code. MICHELLE i s a new Finite-Elemcnt (FE) two-dimensional (20) and three-dimensional (3D) electrostatic particle-in-cell (PIC) code that has been in use for the past several years and was designed to address the recent beam optics modeling and simulation requirements for vacuum electron devices, ion sources, and charged-particle transport. MICHELLE has both a steady-state and time-domain model. The steady…
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