Modelling

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Abstract

Modeling of technical machines became a standard technique since computer became powerful enough to handle the amount of data relevant to the specific system. Simulation of an existing physical device requires the knowledge of all relevant quantities. Electric fields given by the surrounding boundary as well as magnetic fields caused by coils or permanent magnets have to be known. Internal sources for both fields are sometimes taken into account, such as space charge forces or the internal magnetic field of a moving bunch of charged particles. Used solver routines are briefly described and some bench-marking is shown to estimate necessary computing times for different problems. Different types of charged particle sources will be shown together with a suitable model to describe the physical model. Electron guns are covered as well as different ion sources (volume ion sources, laser ion sources, Penning ion sources, electron resonance ion sources, and H--sources) together with some remarks on beam transport.

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Spädtke, P. (2013). Modelling. In CAS-CERN Accelerator School: Ion Sources - Proceedings (pp. 515–536). CERN-European Organization for Nuclear Research. https://doi.org/10.56687/9781529230048-006

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