Dense granular flow rheology in turbulent bedload transport

R Maurin, J Chauchat, P Frey - Journal of Fluid Mechanics, 2016 - cambridge.org
The local granular rheology is investigated numerically in turbulent bedload transport.
Considering spherical particles, steady uniform configurations are simulated using a …

A collision model for DNS with ellipsoidal particles in viscous fluid

R Jain, S Tschisgale, J Fröhlich - International Journal of Multiphase Flow, 2019 - Elsevier
The article proposes an algorithm to model the collision between arbitrary ellipsoids in
viscous fluid. It is composed of several steps, each improving upon the standard procedure …

Phase‐field formulation of a fictitious domain method for particulate flows interacting with complex and evolving geometries

M Reder, D Schneider, F Wang… - … Methods in Fluids, 2021 - Wiley Online Library
A distributed Lagrange multiplier/fictitious domain method in a phase‐field formulation for
the simulation of rigid bodies in incompressible fluid flow is presented. The phase‐field …

A particle resolved simulation approach for studying shock interactions with moving, colliding solid particles

Y Mehta, RJ Goetsch, OV Vasilyev, JD Regele - Computers & Fluids, 2022 - Elsevier
This work applies a new combination of techniques for the fully resolved simulation of
compressible, gas–particle multiphase flows. The adaptive wavelet collocation method is …

Simulative investigation of different DLD microsystem designs with increased reynolds numbers using a two-way coupled IBM-CFD/6-DOF approach

MS Wullenweber, J Kottmeier, I Kampen, A Dietzel… - Processes, 2022 - mdpi.com
Deterministic lateral displacement (DLD) microsystems are suitable for the size fractionation
of particle suspensions in the size range of 0.1 to 10 µm. To be able to fractionate real …

From discrete to continuum description of weakly inertial bedload transport

B Fry, L Lacaze, T Bonometti, P Elyakime, F Charru - Physical Review Fluids, 2024 - APS
Granular bed motion induced by a liquid shear flow is considered as a model of bedload.
This flow is characterized by a localization of the granular flow close to the upper surface of …

Sediment transport and bedforms: a numerical study of two-phase viscous shear flow

F Charru, J Bouteloup, T Bonometti, L Lacaze - Meccanica, 2016 - Springer
After a quick overview of recent research on sediment transport by shear flow and ripple and
dune formation, original numerical results are presented from two-phase flow modelling of …

A multiple-time-step integration algorithm for particle-resolved simulation with physical collision time

Z Zhu, R Hu, X Zheng - International Journal of Multiphase Flow, 2023 - Elsevier
In this paper, we present a multiple-time-step integration algorithm (MTSA) for particle
collisions in particle-resolved simulations. Since the time step required for resolving a …

数值模拟在烟草领域中的应用与展望.

李博宇, 范兴, 乔俊峰, 王永… - Tobacco Science & …, 2022 - search.ebscohost.com
数值模拟通过计算机进行数值计算和图像显示, 为研究和解决复杂的工程问题,
物理问题等提供了模型化, 可视化方法, 并以经济, 直观, 科学的优势被广泛应用于烟草领域的各 …

Investigation of granular behavior in bedload transport using an Eulerian-Lagrangian model

R Maurin - 2015 - theses.hal.science
Turbulent bedload transport represents the main contribution to the riverbed morphological
evolution, and associates the non-trivial collective granular behavior with a turbulent fluid …