A
computer program that calculates the trajectories of
masses moving under mutual
gravitation. Programs of this sort are used in
astrophysics to study the long-term evolution of collections of stars, like
globular clusters. They can also be used as an
orrery.
A (woefully incomplete) list of n-body simulators available for free download (or as Java applets):
- http://www.simtel.net/pub/pd/40358.shtml
- http://www.smug.adelaide.edu.au/~surpdeh/Programming/3b/3body.shtml
- http://www.reed.edu/~schuhs/382/nbody/NBody.html
- http://www.cyf-kr.edu.pl/ftp/simtel/simtel_astronmy.html (contains a bunch of other astronomy software too).
- http://www.cuug.ab.ca/~kmcclary/