This chapter describes shortly the phenomenon of shear localization in dry and cohesionless granular materials. It presents the main problems in granular bodies related to this phenomenon. In addition, it summarizes different continuum approaches capable to properly describe shear localization using a finite element method and enhanced constitutive models. A micro-polar hypoplastic constitutive model is briefly described to numerically investigate shear localization in dry and cohesionless granular materials during mainly monotonic deformation paths. The differences between hypoplastic and conventional elasto-plastic continuum models are stressed. The outline of the book is given.
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