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Parallel finite element particle-in-cell code for simulations of space-charge dominated beam-cavity interactions

By: Li, Z.; Ko, K.; Lee, L.; Kabel, A.; Candel, A.; Limborg, C.; Uplenchwar, R.; Schussman, G.; Prudencio, E.; Ng, C.;

2007 / IEEE / 978-1-4244-0916-7

Description

This item was taken from the IEEE Conference ' Parallel finite element particle-in-cell code for simulations of space-charge dominated beam-cavity interactions ' Over the past years, SLAC¿s Advanced Computations Department (ACD) has developed the parallel finite element (FE) particle-in-cell code Pic3P (Pic2P) for simulations of beam-cavity interactions dominated by space-charge effects. As opposed to standard space-charge dominated beam transport codes, which are based on the electrostatic approximation, Pic3P (Pic2P) includes space-charge, retardation and boundary effects as it self-consistently solves the complete set of Maxwell-Lorentz equations using higher-order FE methods on conformal meshes. Use of efficient, large-scale parallel processing allows for the modeling of photoinjectors with unprecedented accuracy, aiding the design and operation of the next-generation of accelerator facilities. Applications to the Linac Coherent Light Source (LCLS) RF gun are presented.