Title

Clay Hypoplasticity (Mašín, 2014)

Description

Clay hypoplasticity is an advanced incrementally non-linear constitutive model proposed by Mašín (2014) based on critical state soil mechanics developed specifically for simulation of fine-grained materials. Its response has been validated using a number single and finite element simulations of various geotechnical problems, both onshore and offshore. When combined with so-called intergranular strain concept (Niemunis and Herle, 1997), it is capable of predicting small strain stiffness degradation and cyclic loading effects.

Authors & References

Mašín, D. (2013). Clay hypoplasticity with explicitly defined asymptotic states. Acta Geotechnica 8, No. 5, 481-496. [Preprint PDF]

Mašín, D. (2014). Clay hypoplasticity model including stiffness anisotropy. Géotechnique 64, No. 3, 232-238. [Preprint PDF]

Niemunis A, Herle I. (1997). Hypoplastic model for cohesionless soils with elastic strain range. Mechanics of Cohesive-Frictional Materials; 2:279–299.

Finite Element Codes Offering This Model

Abaqus+

Abaqus

Plaxis+

Plaxis

Tochnog Professional+

Tochnog Professional

Fine GEO5 FEM+

Fine GEO5 FEM

Calibration Software Offering This Model

ExCalibre – SoilModels Automatic Calibration+

ExCalibre – SoilModels Automatic Calibration

Triax element test driver+

Triax element test driver

Incremental Driver+

Incremental Driver

Plaxis SoilTest+

Plaxis SoilTest

Tochnog Driver+

Tochnog Driver

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