The physics of sediment transport initiation, cessation, and entrainment across aeolian and fluvial environments

T Pähtz, AH Clark, M Valyrakis… - Reviews of …, 2020 - Wiley Online Library
Predicting the morphodynamics of sedimentary landscapes due to fluvial and aeolian flows
requires answering the following questions: Is the flow strong enough to initiate sediment …

Advances in modeling dense granular media

K Kamrin, KM Hill, DI Goldman… - Annual Review of Fluid …, 2024 - annualreviews.org
This review focuses on how the modeling of dense granular media has advanced over the
last 15 years. The jum**-off point of our review is the μ (I) rheology for dry granular flow …

Microscopic description of the granular fluidity field in nonlocal flow modeling

Q Zhang, K Kamrin - Physical review letters, 2017 - APS
A recent granular rheology based on an implicit “granular fluidity” field has been shown to
quantitatively predict many nonlocal phenomena. However, the physical nature of the field …

Non-locality in granular flow: Phenomenology and modeling approaches

K Kamrin - Frontiers in Physics, 2019 - frontiersin.org
This paper reviews the emergence of non-local flow phenomena in granular materials and
discusses a range of models that have been proposed to integrate an intrinsic length-scale …

Well-posed and ill-posed behaviour of the-rheology for granular flow

T Barker, DG Schaeffer, P Bohórquez… - Journal of Fluid …, 2015 - cambridge.org
In light of the successes of the Navier–Stokes equations in the study of fluid flows, similar
continuum treatment of granular materials is a long-standing ambition. This is due to their …

Non-local rheology in dense granular flows: Revisiting the concept of fluidity

M Bouzid, A Izzet, M Trulsson, E Clément… - The European Physical …, 2015 - Springer
The aim of this article is to discuss the concepts of non-local rheology and fluidity, recently
introduced to describe dense granular flows. We review and compare various approaches …

A frictional–collisional model for bedload transport based on kinetic theory of granular flows: discrete and continuum approaches

R Chassagne, C Bonamy, J Chauchat - Journal of Fluid Mechanics, 2023 - cambridge.org
In this work, the modelling of collisional bedload transport is investigated with a focus on the
continuum modelling of the granular flow. For this purpose, a frictional–collisional approach …

Characterizing the feasibility of processing wet granular materials to improve rheology for 3D printing

M Sweeney, LL Campbell, J Hanson… - Journal of Materials …, 2017 - Springer
Rheological measurements and extrusion tests are used to evaluate the viability of high
mass fraction (80% solids content) wet granular materials for extrusion-based 3D printing …

Unified theory of inertial granular flows and non-Brownian suspensions

E DeGiuli, G Düring, E Lerner, M Wyart - Physical Review E, 2015 - APS
Rheological properties of dense flows of hard particles are singular as one approaches the
jamming threshold where flow ceases both for aerial granular flows dominated by inertia …

Confronting grand challenges in environmental fluid mechanics

T Dauxois, T Peacock, P Bauer, CP Caulfield… - Physical review fluids, 2021 - APS
Environmental fluid mechanics underlies a wealth of natural, industrial, and, by extension,
societal challenges. In the coming decades, as we strive towards a more sustainable planet …