Results 11 to 20 of about 75,364 (297)

Effect of Particle Shape on Repose Angle Based on Hopper Flow Test and Discrete Element Method

open access: yesAdvances in Civil Engineering, 2020
The repose angle of granular material is an essential parameter to understand the microbehavior of the granular material and, then, to relate it with the macrobehavior.
Jian-Jun Fu   +3 more
doaj   +1 more source

Calibration and Test of Contact Parameters between Chopped Cotton Stalks Using Response Surface Methodology

open access: yesAgriculture, 2022
The accuracy of the material parameter settings directly affects the reliability of the results of the discrete element method simulation. It is necessary to calibrate the relevant parameters to obtain accurate discrete element simulation results when ...
Bingcheng Zhang   +5 more
doaj   +1 more source

Calibration and verification of DEM parameters of wet-sticky feed raw materials

open access: yesScientific Reports, 2023
In order to improve the accuracy of the parameters needed in the discrete element method (DEM) simulation process of wet-sticky feed raw materials, the JKR contact model in DEM was used to calibrate and verify the physical parameters of wet-sticky feed ...
Fei Peng   +3 more
doaj   +1 more source

Fundamental study on the effect of grain size distribution on angle of repose [PDF]

open access: yesE3S Web of Conferences
In this study, the authors developed a new sidewall velocity-controlled cylindrical angle of repose measurement apparatus that can capture images of a sand heap continuously using two orthogonal cameras in order to reduce the cost of photography.
Kajiyama Shintaro   +2 more
doaj   +1 more source

Calibration and analysis of discrete element simulation parameters of Chinese cabbage seeds.

open access: yesPLoS ONE, 2022
ObjectiveTo improve the accuracy of parameters used in discrete element simulation test of Chinese cabbage seeds harvesting process.MethodsFirstly, the key physical parameters of Chinese cabbage seeds were measured. According to the results, the discrete
Shengsheng Wang   +4 more
doaj   +1 more source

DEM investigation of the influence of particulate properties and operating conditions on the mixing process in rotary drums: Part 1-Determination of the DEM parameters and calibration process [PDF]

open access: yes, 2020
This paper's goal was to select methods and a calibration procedure which would lead to the determination of relevant parameters of a discrete element method (DEM) and virtual material creation.
Hlosta, Jakub   +5 more
core   +1 more source

Discrete Element Simulation Modeling Method and Parameters Calibration of Sugarcane Leaves

open access: yesAgronomy, 2022
Objective The construction method of the discrete element model and the setting of simulation parameters in the strip- and blade-shaped sugarcane leaf are unclear.
Jiahui Ren   +6 more
doaj   +1 more source

An experimental study on shear bands in sand using the orthogonal cutting setup [PDF]

open access: yesEPJ Web of Conferences, 2021
We study the evolution of shear bands in granular media subjected to very large deformations using the orthogonal cutting geometry. We perform our cutting experiments on Cauvery Delta sand with d50 of 0.45mm. We also capture images of the cutting process
Hegde Abhijit, Murthy Tejas
doaj   +1 more source

Parameter Calibration of Discrete Element Model for Cotton Rootstalk–Soil Mixture at Harvest Stage in Xinjiang Cotton Field

open access: yesAgriculture, 2023
Due to the lack of accurate discrete element simulation model parameters in the design optimization process of key agricultural machinery components in the whole mechanization technology system of cotton generation, the optimization and improvement of ...
Deli Jiang   +5 more
doaj   +1 more source

Wall effects on granular heap stability [PDF]

open access: yes, 2002
We investigate the effects of lateral walls on the angle of movement and on the angle of repose of a granular pile. Our experimental results for beads immersed in water are similar to previous results obtained in air and to recent numerical simulations ...
  +11 more
core   +2 more sources

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