The adjustment-stabilization method for constrained systems

Details The adjustment-stabilization method for constrained systems The adjustment-stabilization method for constrained systems

2009-09-22

arxiv.org/abs/0909.4033v1

Computer Physics Communications 177 (2007) 500

Physics

Computational Physics

6 pages, 5 figures

Scientific paper

10.1016/j.cpc.2007.05.008

For constrained system which has several independent first integrals, we give a new stabilization method which named adjustment-stabilization method. It can stabilize all known constants of motion for a given dynamical system very well instead of the stabilization and post-stabilization methods which only conserves one of all first integrals. Further more, new method can improve numerical accuracy too. We also point out the post-stabilization is just a simplest case of the new method.

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