A book and a package of integrators for students and interested scientistswritten by Andreas Ernst (2006-2014)This book and source code package ``Simply Integrate!'' contain descriptions and source codes of a collection of different integrators such as 4th and 8th-order Runge-Kutta, the Hermite scheme, or fancy ones, like a time-transformed 8th-order composition scheme where the highest accuracy is needed. For the plotting, gnuplot, idl, R, Omnigraffle and Gimp have been used.Simply Integrate! HTML Book (layout corrected version; Bilingual German/Engl. print version of the 1st edition available on request from the author; original version here; please report errors in the book to info (at) simplyintegrate.de) and Erratum, Simply Integrate! Codes (not released to the general public), Simply Integrate! Gallery |
Nbody6 variant by Andreas Ernst (2006-2013) based on a previous version by Rainer Spurzem. In collaboration with Andreas Just.``Nbody6tid'' is a direct N-body code which solves the N-body problem in an analytic background potential. It is based on a series of N-body codes by Sverre Aarseth. Besides the standard version, a serial GPU and a parallel version for massively parallel computer architectures ranging from small Beowulf clusters to large supercomputers are part of Nbody6tid. Currently a beta version is available.To obtain ``Nbody6tid'' send an email to aernst (at) ari.uni-heidelberg.de. Nbody6tid HTML Manual Nbody6tid Gallery |
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