Parallel 3D Finite Element Numerical Modelling of DC Electron Guns | Zendy

Ernesto E. Prudencio | Zendy

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Parallel 3D Finite Element Numerical Modelling of DC Electron Guns

Author(s) -

Ernesto E. Prudencio

Publication year - 2008

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/923310

Subject(s) - klystron , finite element method , computation , beam (structure) , electron gun , cathode ray , computational science , computer science , physics , linear particle accelerator , electrical engineering , simulation , electron , engineering , optics , structural engineering , algorithm , nuclear physics

In this paper we present Gun3P, a parallel 3D finite element application that the Advanced Computations Department at the Stanford Linear Accelerator Center is developing for the analysis of beam formation in DC guns and beam transport in klystrons. Gun3P is targeted specially to complex geometries that cannot be described by 2D models and cannot be easily handled by finite difference discretizations. Its parallel capability allows simulations with more accuracy and less processing time than packages currently available. We present simulation results for the L-band Sheet Beam Klystron DC gun, in which case Gun3P is able to reduce simulation time from days to some hours

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