Cauchy continuum
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Strain localization in softening plasticity without modifying standard constitutive models: a deformable Cosserat approach
Announce Type: new Abstract: This paper presents a formulation for strain localization in softening plasticity based on a deformable Cosserat model. The approach enables the direct use of standard elastoplastic constitutive models formulated for a classical Cauchy continuum, without modifying the stress update algorithm or consistent tangent operator. A key feature of the framework is the strict separation of dissipative and energetic mechanisms: all dissipation is confined to the...