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Introduction of hypoplasticity
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TLDR
The paper presents the hypoplastic model that is capable of capturing the salient features of granular materials for problems involving extremely low stress levels or extremely high stress.Abstract:
A hypoplastic constitutive model and hypoplasticity are described briefly.A procedure for the determination of its parameters is described in detail.This model is based on nonlinear tensorial functions and is developed without recourse to concepts of elastoplasticity theory such as yield surface,plastic potential,flow and hardening rules and decomposition of deformation into elastic and plastic parts.The paper also presents the hypoplastic model that is capable of capturing the salient features of granular materials,in particular,for problems involving extremely low stress levels or extremely high stress.read more
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A dissipative anisotropic fluid model for non-colloidal particle dispersions
TL;DR: In this paper, a reduced form of the "purely dissipative" model was proposed as a general continuum model for the rheology of noncolloidal particle dispersions, ranging from Stokesian suspensions to non-cohesive granular media.
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Calculation of the contact pressure between ski and snow during a carved turn in Alpine skiing
TL;DR: The macroscopic contact area between ski and snow and the contact pressure are crucial influencing factors for carved turns in Alpine skiing and a simulation model is developed to quantify these factors.
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Analysis of the failure mode and softening behaviour of sands in true triaxial tests
TL;DR: In this article, a theoretical analysis and a numerical study of the failure mode in sands based on a hypoplastic description of the material is presented, and a bifurcation analysis is performed to study the failure modes in sands under true triaxial stress conditions at the material response level.
Journal ArticleDOI
Applying GSH to a wide range of experiments in granular media
Yimin Jiang,Mario Liu +1 more
TL;DR: Granular solid hydrodynamics may be taken as a unifying framework, providing the appropriate macroscopic vocabulary and mindset that help one coming to terms with the breadth of granular physics.
References
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Journal ArticleDOI
A dissipative anisotropic fluid model for non-colloidal particle dispersions
TL;DR: In this paper, a reduced form of the "purely dissipative" model was proposed as a general continuum model for the rheology of noncolloidal particle dispersions, ranging from Stokesian suspensions to non-cohesive granular media.
Journal ArticleDOI
Calculation of the contact pressure between ski and snow during a carved turn in Alpine skiing
TL;DR: The macroscopic contact area between ski and snow and the contact pressure are crucial influencing factors for carved turns in Alpine skiing and a simulation model is developed to quantify these factors.
Journal ArticleDOI
Analysis of the failure mode and softening behaviour of sands in true triaxial tests
TL;DR: In this article, a theoretical analysis and a numerical study of the failure mode in sands based on a hypoplastic description of the material is presented, and a bifurcation analysis is performed to study the failure modes in sands under true triaxial stress conditions at the material response level.
Journal ArticleDOI
Applying GSH to a wide range of experiments in granular media
Yimin Jiang,Mario Liu +1 more
TL;DR: Granular solid hydrodynamics may be taken as a unifying framework, providing the appropriate macroscopic vocabulary and mindset that help one coming to terms with the breadth of granular physics.
Journal ArticleDOI
Modeling the ski-snow contact in skiing turns using a hypoplastic vs an elastic force-penetration relation.
Martin Mössner,Dieter Heinrich,Kurt Schindelwig,Peter Kaps,Herwig Schretter,Werner Nachbauer +5 more
TL;DR: By replacing the sledge with a skier model, one may investigate more complex skier actions, skiing performance, or accident‐prone skiing maneuvers.