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The Parallel Hydrodynamic Code for Astrophysical Flow with Stellar Equations of State

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Supercomputing (RuSCDays 2018)

Part of the book series: Communications in Computer and Information Science ((CCIS,volume 965))

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Abstract

In this paper, a new calculation method for numerical simulation of astrophysical flow at the supercomputers is described. The co-design of parallel numerical algorithms for astrophysical simulations is described in detail. The hydrodynamical numerical model with stellar equations of state (EOS), numerical methods for solving the hyperbolic equations and a short description of the parallel implementation of the code are described. For problems using large amounts of RAM, for example, the collapse of a molecular cloud core, our code upgraded for Intel Memory Drive Technology (IMDT) support. In this paper, we present the results of some IMDT performance tests based on Siberian Supercomputer Center facilities equipped with Intel Optane Memory. The results of numerical experiments of hydrodynamical simulations of the model stellar explosion are presented.

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Acknowledgements

The research work was supported by the Grant of the Russian Science Foundation (project 18-11-00044).

Author information

Authors and Affiliations

  1. Institute of Computational Mathematics and Mathematical Geophysics SB RAS, Novosibirsk, Russia

    Igor Kulikov, Igor Chernykh & Vitaly Vshivkov

  2. Novosibirsk State Technical University, Novosibirsk, Russia

    Vladimir Prigarin

  3. Lomonosov Moscow State University, Moscow, Russia

    Vladimir Mironov

  4. Institute of Astronomy RAS, Moscow, Russia

    Alexander Tutukov

Authors
  1. Igor Kulikov
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  2. Igor Chernykh
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  3. Vitaly Vshivkov
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  4. Vladimir Prigarin
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  5. Vladimir Mironov
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  6. Alexander Tutukov
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Corresponding author

Correspondence to Igor Kulikov .

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Editors and Affiliations

  1. Research Computing Center (RCC), Moscow State University, Moscow, Russia

    Vladimir Voevodin

  2. RCC, Moscow State University, Moscow, Russia

    Sergey Sobolev

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Kulikov, I., Chernykh, I., Vshivkov, V., Prigarin, V., Mironov, V., Tutukov, A. (2019). The Parallel Hydrodynamic Code for Astrophysical Flow with Stellar Equations of State. In: Voevodin, V., Sobolev, S. (eds) Supercomputing. RuSCDays 2018. Communications in Computer and Information Science, vol 965. Springer, Cham. https://doi.org/10.1007/978-3-030-05807-4_35

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  • DOI: https://doi.org/10.1007/978-3-030-05807-4_35

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-05806-7

  • Online ISBN: 978-3-030-05807-4

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