Results 1 to 10 of about 127,686 (263)

A NEW METHOD OF EDEM ON THIN SEAM SHEARER LOADING PERFORMANCE AND APPLICATION BASED ON

open access: yesJixie qiangdu, 2017
Introduces the method of calculating equation and theory of spiral drum loading rate numerical discrete element method,and combined with the actual project,according to the shearer drum blade helix angle,thickness,coal and blade friction coefficient ...
ZHAO LiJuan   +4 more
doaj  

Application of Discrete Element Methods to the Problem of Rock Bumps

open access: yesActa Polytechnica, 2002
This paper is a continuation of a previous paper by the authors. Applications of two discrete element methods (DEM) to several fields of geotechnics are discussed.
P. P. Procházka, M. G. Kugblenu
doaj  

Calibration and Experimental Validation of Discrete Element Parameters for Long-Grain Rice with Different Moisture Contents Based on Repose Angle

open access: yesAgriculture
The accurate determination of discrete element parameters is crucial for ensuring reliable results in simulating the critical post-harvest stages of rice grain (processing, transportation, and storage) with different moisture contents.
Zhengfa Chen   +4 more
doaj   +1 more source

DEEP BEAM ANALYSIS WITH THE USE OF DISCRETE-CONTINUAL FINITE ELEMENT METHOD IN THE PRESENCE OF A VERTICAL CRACK

open access: yesInternational Journal for Computational Civil and Structural Engineering
Deep beam analysis with the use of discrete-continual finite element method in the presence of vertical crack is under consideration in the distinctive paper.
Marina Mozgaleva, Pavel Akimov
doaj   +1 more source

A split-step finite element method for the space-fractional Schrödinger equation in two dimensions

open access: yesScientific Reports
In this article, we propose a split-step finite element method (FEM) for the two-dimensional nonlinear Schrödinger equation (NLS) with Riesz fractional derivatives in space. The space-fractional NLS is first spatially discretized by finite element scheme
Xiaogang Zhu, Haiyang Wan, Yaping Zhang
doaj   +1 more source

Discrete element simulation study on the friction and wear between matrix of diamond saw blade and marble

open access: yesJin'gangshi yu moliao moju gongcheng, 2017
A discrete element model of friction and wear between diamond saw blade matrix and marble is established.The parameters of the matrix model are verified by indentation test, and the dynamic variation law of abrasion loss is simulated under different ...
ZHANG Cong   +3 more
doaj  

Evolution Law and Grouting Treatment of Water Inrush in Hydraulic Tunnel Approaching Water-Rich Fault: A Case Study

open access: yesApplied Sciences
Tunnel construction adjacent to the fault fracture zone is prone to water inrush disasters, which pose a serious threat to the safety of tunnel construction. To provide theoretical support for the early warning and prevention of water inrush disasters of
Jiheng Gu   +3 more
doaj   +1 more source

Assessment of Contact Laws Accounting for Softening in 3D Rigid Concrete Particle Models

open access: yesBuildings
To obtain predictions closer to concrete behaviour, it is necessary to employ a particle model (PM) that considers contact softening. A bilinear softening contact model (BL) has been adopted in PM studies.
Nuno Monteiro Azevedo   +2 more
doaj   +1 more source

Calibration and Testing of Discrete Elemental Simulation Parameters for Pod Pepper Seeds

open access: yesAgriculture
The discrete elemental parameters of pod pepper seeds were calibrated for future numerical optimization of the pod pepper seed cleaning device. The study concentrates on calibrating the intrinsic and contact parameters of pod pepper seeds utilizing the ...
Xingye Chen   +7 more
doaj   +1 more source

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