| Article | |
| Title | Efficient Coupling of Hydrodynamic and Energy-Deposition Codes for Hydrodynamic-Tunnelling Studies on High-Energy Particle Accelerators |
| Author(s) | Wiesner, Christoph (CERN) ; Carra, Federico (CERN) ; Kruse-Hansen, Jens (CERN) ; Masci, Marco (CERN) ; Nie, Yuancun (KIT, Karlsruhe) ; Wollmann, Daniel (CERN) |
| Publication | 2021 |
| Number of pages | 4 |
| In: | 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.119-122 |
| DOI | 10.18429/JACoW-IPAC2021-MOPAB024 |
| Subject category | Accelerators and Storage Rings |
| Abstract | The machine-protection evaluation of high-energy accelerators comprises the study of beyond-design failures, including the direct beam impact onto machine elements. In case of a direct impact, the nominal beam of the Large Hadron Collider (LHC) would penetrate more than 30 meters into a solid copper target. The penetration depth due to the time structure of the particle beam is, thus, significantly longer than predicted from purely static energy-deposition simulations with 7 TeV protons. This effect, known as hydrodynamic tunnelling, is caused by the beam-induced density depletion of the material at the target axis, which allows subsequent bunches to penetrate deeper into the target. Its proper simulation requires, therefore, to sequentially couple an energy-deposition code and a hydrodynamic code for the different target densities. This paper describes a method to efficiently couple the simulations codes Autodyn and FLUKA based on automatic density assignment and input file generation, and presents the results achieved for a sample case. |
| Copyright/License | publication: (License: CC-BY-3.0) |
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