Statistics – Computation
Scientific paper
Dec 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986itps...14..661b&link_type=abstract
IEEE Transactions on Plasma Science (ISSN 0093-3813), vol. PS-14, Dec. 1986, p. 661-665.
Statistics
Computation
3
Computational Astrophysics, Computer Programs, Computerized Simulation, Space Plasmas, Computational Grids, Data Management, Debye Length, Three Dimensional Flow
Scientific paper
Particle codes for the modeling of plasmas are discussed, and increases by orders in magnitude in demand on computer time and space are found for codes of increasing dimensions. While gridless and Fokker-Planck codes are possible in one dimension, grids and PIC codes are needed in two and three dimensions. Spectral methods permit convenient filtering, particle shaping, and control of resolution. A grid code for CRAYs at the present-day limit is described which uses layering to break the three-dimensional problem up into several two-dimensional problems, and in which fields and particles are packed and buffered in and out of the core. It is noted that diagnostics are limited by the large volume of information derived in a run.
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