Perfectly parallel cosmological simulations using spatial comoving Lagrangian acceleration.

@article{Leclercq2020PerfectlyPC,
  title={Perfectly parallel cosmological simulations using spatial comoving Lagrangian acceleration.},
  author={F. Leclercq and B. Faure and G. Lavaux and B. Wandelt and A. Jaffe and A. Heavens and W. J. Percival and C. No{\^u}s},
  journal={arXiv: Cosmology and Nongalactic Astrophysics},
  year={2020}
}
  • F. Leclercq, B. Faure, +5 authors C. Noûs
  • Published 2020
  • Physics
  • arXiv: Cosmology and Nongalactic Astrophysics
  • Existing cosmological simulation methods lack a high degree of parallelism due to the long-range nature of the gravitational force, which limits the size of simulations that can be run at high resolution. To solve this problem, we propose a new, perfectly parallel approach to simulate cosmic structure formation, based on the spatial COmoving Lagrangian Acceleration (sCOLA) framework. Building upon a hybrid analytical and numerical description of particles' trajectories, our algorithm allows an… CONTINUE READING

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