Self-Consitstent simulations of High-Intesity Beams and E-Cloudswith WARP POSINST

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We have developed a new, comprehensive set of simulation tools aimed at modeling the interaction of intense ion beams and electron clouds (e-clouds). The set contains the 3-D accelerator PIC codeWARP and the 2-D ''slice'' ecloud code POSINST, as well as a merger of the two, augmented by new modules for impact ionization and neutral gas generation. The new capability runs on workstations or parallel supercomputers and contains advanced features such as mesh refinement, disparate adaptive time stepping, and a new ''drift-Lorentz'' particle mover for tracking charged particles in magnetic fields using large time steps. It is being applied to ... continued below

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Vay, J.-L.; Friendman, A. & Grote, D.P. October 1, 2006.

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We have developed a new, comprehensive set of simulation tools aimed at modeling the interaction of intense ion beams and electron clouds (e-clouds). The set contains the 3-D accelerator PIC codeWARP and the 2-D ''slice'' ecloud code POSINST, as well as a merger of the two, augmented by new modules for impact ionization and neutral gas generation. The new capability runs on workstations or parallel supercomputers and contains advanced features such as mesh refinement, disparate adaptive time stepping, and a new ''drift-Lorentz'' particle mover for tracking charged particles in magnetic fields using large time steps. It is being applied to the modeling of ion beams (1 MeV, 180 mA, K+) for heavy ion inertial fusion and warm dense matter studies, as they interact with electron clouds in the High-Current Experiment (HCX). In earlier papers, we described the capabilities and presented recent simulation results with detailed comparisons against the HCX experiment, as well as their application (in a different regime) to the modeling of e-clouds in the Large Hadron Collider (LHC). We concentrate here on the description of the implementation of the ''quasi-static'' mode of operation, for comparison with other codes, and introduce a new consideration on the estimate of computing time between the quasi-static and the fully self-consistent modes.

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  • 9th International Computational AcceleratorPhysics ConferenceICAP 06, Charmonix Mont-Blanc, France, Oct. 2-6th2006

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  • Report No.: LBNL--60551
  • Report No.: HIFAN 1545
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 900710
  • Archival Resource Key: ark:/67531/metadc883321

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • October 1, 2006

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  • Sept. 22, 2016, 2:13 a.m.

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  • Sept. 29, 2016, 6:58 p.m.

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Vay, J.-L.; Friendman, A. & Grote, D.P. Self-Consitstent simulations of High-Intesity Beams and E-Cloudswith WARP POSINST, article, October 1, 2006; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc883321/: accessed June 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.