Rainer Spurzem

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Rainer Spurzem is a German astronomer at the Astronomisches Rechen-Institut in Heidelberg, Germany. His speciality is the N-body simulation of galaxies and star clusters.[1]

With Sverre Aarseth, he was the first to simulate core collapse of a star cluster using a direct N-body algorithm on a Cray supercomputer.[2]

Rainer Spurzem is a leader of the GRACE project, which uses reconfigurable hardware for astrophysical particle simulations. The GRACE project was funded via grants from the Volkswagen Foundation and from the Ministry of Science, Research and Art of Baden-Württemberg. He also designed gravitySimulator, a special-purpose computer based on GRAPE accelerator boards at the Rochester Institute of Technology.[3]


  1. ^ Spurzem, R. (2007), How to build and use special purpose PC clusters in stellar dynamics
  2. ^ Spurzem, R. and Aarseth, S. J. (1996), Direct collisional simulation of 10000 particles past core collapse, Mon. Not. R. Astron. Soc. 282, 19
  3. ^ S. Harfst et al. (2007), Performance analysis of direct N-body algorithms on special-purpose supercomputers, New Astronomy, 12, 357

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