Results 1 to 10 of about 2,592,636 (290)

Study on pumping wear characteristics of concrete pipeline based on CFD-DEM coupling [PDF]

open access: yesScientific Reports, 2023
Concrete pumping, integral to building construction, governs pipeline durability and overall construction efficiency. This study advances the traditional methods by employing the CFD-DEM coupling technique, a pioneering approach that integrates the ...
Yuankun Liao   +3 more
doaj   +4 more sources

Macro and micro analysis on coal-bearing soil slopes instability based on CFD-DEM coupling method. [PDF]

open access: yesPLoS ONE, 2021
By combining the discrete element method (DEM) with computational fluid dynamics (CFD), this study proposes a three-dimensional CFD-DEM fluid-solid coupling microscopic computational model for analyzing the micromechanisms of instability and failure in a
Hong Zhang, Bang Zhang, Can Wu, Kun Chen
doaj   +2 more sources

A novel coupling method for unresolved CFD-DEM modeling [PDF]

open access: yesInternational Journal of Heat and Mass Transfer, 2023
In CFD-DEM (computational fluid dynamics-discrete element method) simulations particles are considered Lagrangian point particles. The details of the flow near the particle surface are therefore not fully resolved.
Jingyuan Zhang   +2 more
exaly   +3 more sources

Hydrate blockage simulation based on CFD-DEM coupling method

open access: yesYou-qi chuyun, 2020
In the high pressure and low temperature conditions during production and transportation of subsea oil andgas, hydrate is formed easily, which could cause the risk of pipeline blockage.
Wenqing LI   +7 more
doaj   +2 more sources

Simulation of Bridging at the Static Surface Filtration by CFD-DEM Coupling [PDF]

open access: yesEPJ Web of Conferences, 2017
To achieve a better understanding of the bridging mechanism at the static surface filtration, simulations of particle deposition at a three-dimensional pore model of a filter were performed.
Hund David   +2 more
doaj   +2 more sources

Coupled CFD-DEM simulation of progressive failure of tunnel face in sand. [PDF]

open access: yesPLoS One
Many studies have investigated tunnel face failure using the discrete element method (DEM). However, DEM simulations that incorporate water-soil interactions in tunnel face failure are still limited. In this study, the coupled CFD-DEM method is employed to simulate the progressive failure of the shield tunnel face in both saturated and dry sand.
Wang Z   +5 more
europepmc   +5 more sources

Numerical Simulation of Particle Motions in Cascade Impactor and Human Respiratory System [PDF]

open access: yesMATEC Web of Conferences, 2021
Dry powder inhalations (DPIs) have gathered attention as a treatment for respiratory diseases due to the large effective absorption area in a human lung. A cascade impactor is generally used to investigate the inhalation performance of DPIs.
Ohsaki Shuji   +4 more
doaj   +1 more source

Arbitrary resolved-unresolved CFD-DEM coupling method and its application to seepage flow analysis in sandy soil

open access: yesYantu gongcheng xuebao, 2021
The Euler-Lagrange coupling scheme based on the continuous and discrete theories has been becoming increasingly popular in numerical analysis of fluid-particle interaction.
WANG Yin 1, TAO Yi-chen 1, CHENG Kuang 1, YANG Qing 1
doaj   +1 more source

Evaluation of RANS-DEM and LES-DEM Methods in OpenFOAM for Simulation of Particle-Laden Turbulent Flows

open access: yesFluids, 2022
CFD-DEM modelling of particle-laden turbulent flow is challenging in terms of the required and obtained CFD resolution, heavy DEM computations, and the limitations of the method.
Atul Jaiswal   +2 more
doaj   +1 more source

Proposal of a new approach to perform advanced flow modeling for subsurface flow treatment wetlands

open access: yesWater Science and Technology, 2023
This study describes a new approach to model treatment wetlands (TW) by using computational fluid dynamics (CFD) coupled with the discrete element method (DEM).
Kesley Antonio Santos   +2 more
doaj   +1 more source

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