A Non-local hypoplastic constitutive law to describe shear localisation in granular bodies

• Autorzy: Tejchman J.
• Języki publikacji: EN

Abstrakty

EN

The paper presents a FE-analysis of shear localisation in granular bodies by a finite element method based on a hypoplastic constitutive law. The law can reproduce essential features of granular bodies depending on the void ratio, pressure level and deformation direction. To realistically simulate the formation of a spontaneous shear zone inside cohesionless sand during plane strain compression, a hypoplastic constitutive law was extended by non-local terms. The effects of initial void ratio, pressure level and a characteristic length on the thickness of an interior shear zone were shown. The numerical results were compared with corresponding laboratory tests.

Słowa kluczowe

EN

characteristic length; finite element method; non-local model; plane strain compression; shear localization

• Wydawca: Institute of Hydro-Engineering of Polish Academy of Sciences
• Czasopismo: Archives of Hydro-Engineering and Environmental Mechanics
• Rocznik: 2003
• Tom: Vol. 50, nr 4
• Strony: 359--379
• Opis fizyczny: Bibliogr. 43 poz.

Twórcy

autor

Tejchman J.

• Gdańsk University of Technology, Faculty of Civil Engineering, 80-952 Gdańsk, ul. Narutowicza 11/12, Poland,

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