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Global Magneto-Hydrodynamic Simulations of Differentially Rotating Accretion Disk by Astrophysical Rotational Plasma Simulator

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High Performance Computing (ISHPC 2000)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 1940))

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Abstract

We present numerical results of three-dimensional global magneto-hydrodynamic (MHD) simulations achieved on Astrophysical Rotating Plasma Simulator (ARPS) developed at Chiba University. We simulate the time evolution of differentially rotating disks by using a parallelized three-dimensional MHD code. Typical number of grid points is (NNr,Nϕ,NNr) = (200, 64, 240) in a cylindrical coordinate system. We found that when the initial magnetic field is toroidal and relatively strong, the system approaches a quasi-steady state with β = Pgas/Pmag ~ 5. When the disk is threaded by vertical magnetic fields, magnetically driven collimated jet emanates from the surface of the disk. Fully vector-parallelized global simulations with ARPS enable us to study non-local effects such as magnetic pinch, saturation of nonlinear growth of instability, and deformation of the global structure.

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Author information

Authors and Affiliations

  1. Graduate School of Science and Technology, Chiba University, 1-33 Yayoi-Cho, 263-8522, Inage-ku, Chiba, Japan

    Mami Machida & Shigeki Miyaji

  2. Department of Physics, Faculty of Science, Chiba University, 1-33 Yayoi-Cho, 263-8522, Inage-ku, Chiba, Japan

    Ryoji Matsumoto

  3. Japan Science and Technology Corporation, Japan

    Hideaki Tonooka

Authors
  1. Mami Machida
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  2. Ryoji Matsumoto
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  3. Shigeki Miyaji
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  4. Kenji E. Nakamura
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  5. Hideaki Tonooka
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Editor information

Editors and Affiliations

  1. Departamento de Arquitectura de Computadores, Universidad Politecnica de Catalunya, Spain

    Mateo Valero

  2. Department of Information and Computer Sciences, Nara Women’s University, Japan

    Kazuki Joe

  3. Institute of Industrial Science Center for Conceptual Information Processing Research, University of Tokyo, Japan

    Masaru Kitsuregawa

  4. Graduate School of Engineering Electrical Engineering Department, University of Tokyo, Japan

    Hidehiko Tanaka

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© 2000 Springer-Verlag Berlin Heidelberg

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Machida, M., Matsumoto, R., Miyaji, S., Nakamura, K.E., Tonooka, H. (2000). Global Magneto-Hydrodynamic Simulations of Differentially Rotating Accretion Disk by Astrophysical Rotational Plasma Simulator. In: Valero, M., Joe, K., Kitsuregawa, M., Tanaka, H. (eds) High Performance Computing. ISHPC 2000. Lecture Notes in Computer Science, vol 1940. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-39999-2_31

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  • DOI: https://doi.org/10.1007/3-540-39999-2_31

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-41128-4

  • Online ISBN: 978-3-540-39999-5

  • eBook Packages: Springer Book Archive

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