For the simulation of high-brightness electron bunches, a new 3D space-charge model is being implemented in the General Particle Tracer (GPT) code. It is based on a non-equidistant multigrid solver, allowing smooth transitions from a high to a low-aspect ratio bunch during a single run. The algorithm scales linearly in CPU time with the number of particles and the insensitivity to aspect ratio ensures that it can be used for a variety of applications. Tracking examples and field comparisons with an analytical model will be shown.
| Original language | English |
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| Place of Publication | Hamburg |
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| Publisher | DESY |
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| Number of pages | 10 |
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| Publication status | Published - 2003 |
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| Name | TESLA report |
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| Volume | 2003-04 |
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