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Paper 1998013

Author(s): Fellhauer, M.
Title: How good is superbox?
Source: In: Duschl, W.J., Einsel, C. (eds.): Dynamics of galaxies and galactic nuclei. ITA Heidelberg Proc. Ser. 2, 257-263
Year: 1998
Abstract: The majority of the known self-consistent methods to simulate self-gravitating point-mass systems have historically not been useful for studying systems with small filling factors such as interacting and merging galaxies or groups of galaxies (Barnes+Hernquist 92 \cite{Bar92}). Exceptions are the hierarchical tree method (Barnes+Hut 86 \cite{Bar86}) and multi-grid or nested grid particle mesh-codes like Hydra (Pearce+Couchman 97 \cite{Pea97}) and Superbox (Bien \cite{Bie91} and articles in this volume). Superbox is a particle-mesh program with high-resolution sub-grids to simulate galaxies and groups of galaxies. In this talk the conservation of energy and angular momentum of Superbox is investigated and the memory and CPU-time consumption are profiled.
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