The first section is a brief introduction to quasicrystals. Their structure and a generation method are described as well as the model quasicrystal used in the simulations. The next section deals with the theory of dislocations and plasticity. Some basic definitions and properties are explained and extended to the quasicrystalline case, together with results of experiments and simulations. Molecular dynamics (MD) is the topic of the third section. We show how a shear deformation can be modeled. A discussion of the visualization technique follows. A chapter with the results of the simulations and a summary conclude this thesis.

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