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Numerical model for solid-like and fluid-like behavior of granular flows

Wang, Yadong / Wu, Wei

We propose a constitutive model for both the solid-like and fluid-like behavior of granular materials by decomposing the stress tensor into quasi-static and collisional components. A hypoplastic model is adopted for the solid-like behavior in the quasi-static regime, while the viscous and dilatant behavior in the fluid-like regime is represented by a modified μ(I) rheology model. This model effectively captures the transition between solid-like and fluid-like flows. Performance and validation of the proposed model are demonstrated through numerical simulations of element tests.

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Numerical model for solid-like and fluid-like behavior of granular flows

Wang, Yadong / Wu, Wei

We propose a constitutive model for both the solid-like and fluid-like behavior of granular materials by decomposing the stress tensor into quasi-static and collisional components. A hypoplastic model is adopted for the solid-like behavior in the quasi-static regime, while the viscous and dilatant behavior in the fluid-like regime is represented by a modified μ(I) rheology model. This model effectively captures the transition between solid-like and fluid-like flows. Performance and validation of the proposed model are demonstrated through numerical simulations of element tests.

Numerical model for solid-like and fluid-like behavior of granular flows

Wang, Yadong / Wu, Wei

We propose a constitutive model for both the solid-like and fluid-like behavior of granular materials by decomposing the stress tensor into quasi-static and collisional components. A hypoplastic model is adopted for the solid-like behavior in the quasi-static regime, while the viscous and dilatant behavior in the fluid-like regime is represented by a modified μ(I) rheology model. This model effectively captures the transition between solid-like and fluid-like flows. Performance and validation of the proposed model are demonstrated through numerical simulations of element tests.

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Titel:

Numerical model for solid-like and fluid-like behavior of granular flows

Weitere Titelangaben:

Acta Geotech.

Beteiligte:

Wang, Yadong (Autor:in) / Wu, Wei (Autor:in)

Erschienen in:

Acta Geotechnica ; 19 ; 6483-6494

Erscheinungsdatum:

01.10.2024

Format / Umfang:

12 pages

ISSN:

1861-1133 , 1861-1125

DOI:

https://doi.org/10.1007/s11440-024-02364-2

Medientyp:

Aufsatz (Zeitschrift)

Format:

Elektronische Ressource

Sprache:

Englisch

Schlagwörter:

Fluid-like flow , Granular material , Hypoplastic model , Rheology , Solid-like flow Engineering , Geoengineering, Foundations, Hydraulics , Solid Mechanics , Geotechnical Engineering & Applied Earth Sciences , Soil Science & Conservation , Soft and Granular Matter, Complex Fluids and Microfluidics

Lizenzbestimmungen:

http://creativecommons.org/licenses/by/4.0/

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Numerical model for solid-like and fluid-like behavior of granular flows

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