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Numerical integration and FE implementation of a hypoplastic constitutive model
Abstract Hypoplastic constitutive equation based on nonlinear tensor functions possesses a failure surface but no yield surface. In this paper, we consider the numerical integration and FE implementation of a simple hypoplastic constitutive equation. The accuracy of several integration methods, including implicit and explicit methods, is examined by performing a set of triaxial compression tests. Adaptive explicit schemes show the best performance. In addition, the stress drift away from the failure surface is corrected with a predictor-corrector scheme, which is verified by two boundary value problems, i.e. rigid footing tests and slope stability.
Numerical integration and FE implementation of a hypoplastic constitutive model
Abstract Hypoplastic constitutive equation based on nonlinear tensor functions possesses a failure surface but no yield surface. In this paper, we consider the numerical integration and FE implementation of a simple hypoplastic constitutive equation. The accuracy of several integration methods, including implicit and explicit methods, is examined by performing a set of triaxial compression tests. Adaptive explicit schemes show the best performance. In addition, the stress drift away from the failure surface is corrected with a predictor-corrector scheme, which is verified by two boundary value problems, i.e. rigid footing tests and slope stability.
Numerical integration and FE implementation of a hypoplastic constitutive model
Wang, Shun (Autor:in) / Wu, Wei (Autor:in) / Peng, Chong (Autor:in) / He, Xuzhen (Autor:in) / Cui, Deshan (Autor:in)
Acta Geotechnica ; 13 ; 1265-1281
29.06.2018
17 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Finite element analysis , Hypoplastic models , Numerical integration , Stress correction , Substepping method Engineering , Geoengineering, Foundations, Hydraulics , Solid Mechanics , Geotechnical Engineering & Applied Earth Sciences , Soil Science & Conservation , Soft and Granular Matter, Complex Fluids and Microfluidics
Numerical integration and FE implementation of a hypoplastic constitutive model
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