Elastoplastic axisymmetric Cosserat continua and modelling of strain localization

Tang, Hongxiang; Sun, Fabing; Zhang, Yipeng; Yan, Dong

doi:10.1016/j.compgeo.2018.05.004

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Cited by 14 publications

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“…de Borst [15] presented the von-Mises elastoplastic model and analyzed the localization under static and dynamic loading [17], but this model is more suitable for metals rather than granular materials. For geomaterials such as stone and soil, de Borst [16] proposed the pressure dependent J 2 -flow theory for micropolar continuum, which is widely adopted in geomechanics [25,39,58]. Besides, many studies are conducted based on the micropolar hypoplasticity model [24,61,62].…”

Section: Introductionmentioning

confidence: 99%

Applications of micropolar SPH in geomechanics

Zhu

Peng²,

Wu³

2021

Acta Geotech.

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A smoothed particle hydrodynamics code based on micropolar continua for geomaterials is developed for problems involving large deformation and shear strain localization. Two typical geotechnical problems, i.e., biaxial compression test and sand column collapse, are simulated using classical and micropolar model to demonstrate the performance of the newly proposed method. A parameter study is given on the scale effect in the micropolar continua.

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