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Learning Computer Simulation with an MDGRAPE Accelerator

Learning Computer Simulation with an MDGRAPE Accelerator. Tetsu Narumi 1 , Fumikazu Konishi 2 , Ryo Umetsu 2 , Makoto Taiji 2 , Toshikazu Ebisuzaki 3 , Kenji Yasuoka 1 1 Department of Mechanical Engineering, Keio University 2 Genomic Sciences Center, RIKEN

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Learning Computer Simulation with an MDGRAPE Accelerator

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  1. Learning Computer Simulation with an MDGRAPE Accelerator Tetsu Narumi1, Fumikazu Konishi2, Ryo Umetsu2, Makoto Taiji2, Toshikazu Ebisuzaki3, Kenji Yasuoka1 1Department of Mechanical Engineering, Keio University 2Genomic Sciences Center, RIKEN 3Computational Astrophysics Lab., RIKEN

  2. Background • Computer Simulation becomes important • Fluid dynamics (Car, Airplane) • Structural analysis (Building, Mobile phone) • N-body simulation (Droplet of inkjet printer) • Little experience on simulation at school Hands-on Simulation

  3. N-body Simulation • Astrophysical simulation • Galaxy collision • Cosmology • Molecular dynamics simulation • Bio sciences (protein folding) • Nano sciences (carbon nano tube) Requires Huge Computational Power

  4. Tool for Simulation : MDGRAPE Host Computer (PC) Accelerator (MDGRAPE) Newton’s Equations of Motion, etc. Positions Force calculation Forces • Accelerator for N-body simulation • Gravitational or molecular dynamics simulation • Fast and good performance/cost • Developed by University of Tokyo, RIKEN, NAOJ

  5. MDGRAPE at Hand MDGRAPE-2 Board • Expensive hardware Freely distributed by RIKEN • Difficult to use All-in-one CDROM (Bootable, Device driver, Demos, Sources)

  6. Demonstration • Astrophysical simulation • Galaxy collision • Developed by Toshiyuki Takahei • Molecular dynamics simulation • NaCl • Developed by Takahiro Koishi, Fukui Univ. • OS : Customized KNOPPIX • CD bootable linux (http://www.knopper.net/) • Customized by Ryo Umetsu, RIKEN GSC

  7. Summary • Propose ‘Hands-on Simulation’ • Learning simulation at school is important • Tools for N-body simulation are ready • Free MDGRAPE-2 board • All-in-one CDROM Need Help for Making Contents, Lecturing at School etc.

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