Mathematics – Analysis of PDEs
Scientific paper
2011-07-21
Mathematics
Analysis of PDEs
Scientific paper
We derive continuum limits of atomistic models in the realm of nonlinear elasticity theory rigorously as the interatomic distances tend to zero. In particular we obtain an integral functional acting on the deformation gradient in the continuum theory which depends on the underlying atomistic interaction potentials and the lattice geometry. The interaction potentials to which our theory applies are general finite range models which in particular can also account for multi-pole interactions and bond-angle dependent contributions.
Braun Julian
Schmidt Bernd
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