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P: Fachverband Plasmaphysik

P 21: Theory and Modelling II

P 21.4: Talk

Wednesday, March 4, 2015, 15:10–15:25, HZO 50

Particle merging algorithm for PIC codes by using Voronoi tessellation method — •Phuc T. Luu and Alexander Pukhov — Institut für Theoretische Physik I, Heinrich-Heine-Universität, Düsseldorf, Germany

We present the results concerning a novel particle merging algorithm for particle-in-cell codes. Our algorithm is based on the Voronoi tessellation method for partitioning a given simulation cell of n particles into k clusters. Each cluster consists of particles which are close to each other in the phase space. The algorithm is implemented into Virtual Laser Plasma Laboratory (VLPL) code and compared in the case of QED-cascade.