3D hybrid meshless adaptive algorithm and code for ion extraction problem

Summary form only given. We present progress on the development of a new 3D hybrid electrostatic code, IonEtimes3D, for simulating ion extraction from plasma. The code is based on the meshless, adaptive Particle-In-Cloud-Of-Points (PICOP) approach. The ions are treated fully kinetically whereas electrons are described as a neutralizing fluid obeying the Boltzmann distribution. Steady state ion trajectories are found in the self-consistent electrostatic field and the given magnetic field. The semi-linear Poisson's equation is solved on a meshless cloud of points, which is iteratively adapted to the field and the beam structure. The algorithm conserves both the full energy and the angular momentum. 3D effects on the ion beam formation will be presented. An effective algorithm for the code parallelization on petascale computers will be also discussed.