Speeding Up Simulations of Relativistic Systems using an Optimal Boosted Frame

Conference · Tue Jan 27 00:00:00 EST 2009

OSTI ID:981738

Vay, J -L; Fawley, W M; Geddes, C G.R.; Cormier-Michel, E; Grote, D P

It can be computationally advantageous to perform computer simulations in a Lorentz boosted frame for a certain class of systems. However, even if the computer model relies on a covariant set of equations, it has been pointed out that algorithmic difficulties related to discretization errors may have to be overcome in order to take full advantage of the potential speedup. We summarize the findings, the difficulties and their solutions, and show that the technique enables simulations important to several areas of accelerator physics that are otherwise problematic, including self-consistent modeling in three-dimensions of laser wokefield accelerator stages at energies of 10 GeV and above.

• Research Organization: Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
• Sponsoring Organization: Accelerator& Fusion Research Division
• DOE Contract Number: DE-AC02-05CH11231
• OSTI ID: 981738
• Report Number(s): LBNL-3053E; TRN: US1003884
• Resource Relation: Conference: Proceedings of the DPF-2009 Conference, Detroit, MI, July 27-31, 2009
• Country of Publication: United States
• Language: English

Related Subjects

70
ACCELERATORS
COMPUTERIZED SIMULATION
COMPUTERS
LASERS
PHYSICS
SIMULATION