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Hybrid Iterative Approach For Simulation Of Radio-Frequency Fields In Plasma, Vladimir A. Svidzinski, Jin-Soo Kim, Liangji Zhao, S. A. Galkin, Joseph Andrew Spencer Aug 2018

Hybrid Iterative Approach For Simulation Of Radio-Frequency Fields In Plasma, Vladimir A. Svidzinski, Jin-Soo Kim, Liangji Zhao, S. A. Galkin, Joseph Andrew Spencer

Physics Student Research

A novel iterative approach for solving discretized linear wave equations in a frequency domain, which combines time evolution with iterative relaxation schemes, is presented. In this hybrid approach, each iteration cycle consists of evolution of electromagnetic (EM) fields in time over a specified number of field periods followed by several iterative relaxations. Provided that there is sufficient dissipation, both the time evolution and the iterative relaxations contribute to the convergence of the EM fields to the solution of the formulated full wave boundary value problem. Time evolution rapidly distributes EM fields, propagating with group velocity, over the simulation domain, while …