Leapfrog integration will also get you conservation of energy. See this thesis: http://umu.diva-portal.org/smash/get/diva2:140361/FULLTEXT01.pdf http://umu.div

Leapfrog integration will also get you conservation of energy. See this thesis: http://umu.diva-portal.org/smash/get/diva2:140361/FULLTEXT01.pdf http://umu.diva-portal.org/smash/get/diva2:140361/FULLTEXT01... the basis for this awesome physics simulator: http://www.algodoo.com/ http://www.algodoo.com/ Conservation of the hamiltonian with leapfrog integration is also the principle behind Hybrid Monte Carlo methods http://www.mcmchandbook.net/HandbookChapter5.pdf http://www.mcmchandbook.net/HandbookChapter5.pdf