On the effect of ghost force in the quasicontinuum method: dynamic problems in one dimension

preprint2012arXivOpen access

Abstract

Numerical error induced by the "ghost forces" in the quasicontinuum method is studied in the context of dynamic problems. The error in the ({W}^{1,\infty}) norm is analyzed for the time scale (\mc{O}(\eps)) and the time scale (\mc{O}(1)) with $\eps$ being the lattice spacing.

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