discrete element
Enhanced Thermal Process Engineering by the Extended Discrete Element Method (XDEM)
... and discrete phase simultaneously, and therefore, cannot be solved accurately by continu- ous or discrete approaches ...a discrete phase are important in applications as diverse as pharmaceutical ...
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Using a discrete element approach to model lava dome emplacement and collapse
... a discrete element method implemented in the modelling software Particle Flow Code to investigate lava dome growth, but also go further to test the stability of the dome under the following conditions: ...
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Discrete Element Modeling of Geosynthetic Reinforced in Pavement Overlays.
... Asphalt mixtures are a combined material with graded aggregates bound by a mastic mortar. The physical properties and performance of asphalt are determined by the properties of the aggregate and of the asphalt binder, ...
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Discrete element modelling of particulate flow in die filling and powder transfer
... In this thesis, numerical investigation of die filling and powder transfer within discrete element method framework is presented. The main focus of the work is to explore the contribution of die filling and ...
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A Study of the Wave Velocity in Granular Soils using Discrete Element Method
... In the present paper, discrete element method (DEM) is used to study wave propagation phenomenon in granular soils. The effect of factors such as coefficient of friction, frequency, normal stiffness and ...
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An Investigation into Soil-Structure Interaction Problems using Discrete Element Method.
... The purpose of this work is to investigate new techniques for predicting behavior in Soil-Structure Interaction (SSI) problems. The response of soil under a given load may be described by interface micromechanics. The ...
273
INTRODUCTION OF IMPERFECTIONS IN THE CUBIC MESH OF THE TRUSS-LIKE DISCRETE ELEMENT METHOD
... the Discrete Element Method, solids are represented by means of a cubic arrangement of elements able to carry only axial loads, interconnected at nodal masses with three degrees of ...
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Fluid Properties Effects on Sand Production using Discrete Element Method
... [5] Fattahpour, V. Moosavi, M. and Mehranpour, M. (2012). “An experimental investigation on the effect of grain size on oil-well sand production.” Petroleum Science. Vol. 9, Nol. 3, pp. 343-353. [6] Li, L. C., Yang, S. ...
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Parameter optimization of fluted-roller meter using discrete element method
... A discrete element model was developed to simulate the metering process of a fluted-roller meter for fertilizer metering. The model results gave optimal machine parameters which resulted in the maximum ...
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Microstructure-based modeling of snow mechanics: a discrete element approach
... the discrete element method (DEM), which is better suited than FE to model large dis- continuous deformations governed by microscale processes such as bond breakage and compaction of broken ...
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Material models for concrete in discrete element method (dem) applications
... the Discrete Element Method (DEM) in numerical determinations of the response up and beyond failure of reinforced concrete structures subjected to impact and impulsive loadings in which tensile fracture ...
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Discrete element simulation on mechanical properties of modified sandy gravel
... the discrete element method is to simulate the movement and interaction of rigid ...of discrete element programs, the basic unit is a pure spherical ...
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Rock Slope Stability Analysis Using Discrete Element Method
... the discrete element ...the discrete element approach for the anal- ysis of rock mass mechanical behavior dur- ing wave propagation due to seismic events or rock blasting and concluded that ...
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Analysis of threshed rice mixture separation through vibration screen using discrete element method
... The discrete element method was utilized to construct three-dimensional discrete element models for the rice mixture, and their motions were analyzed numerically on a planar vibration ...
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Discrete element modelling of material non coaxiality in simple shear flows
... We investigate the quasi-static simple shear fl ow of a two-dimensional assembly of cohesionless particles using discrete element method (DEM) simulations. We focus on the unsteady fl ow regime where the ...
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Discrete-Element bonded-particle Sea Ice model DESIgn, version 1.3a – model description and implementation
... Abstract. This paper presents theoretical foundations, nu- merical implementation and examples of application of the two-dimensional Discrete-Element bonded-particle Sea Ice model – DESIgn. In the model, ...
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Discrete element modelling and cavity expansion analysis of cone penetration testing
... the discrete element method (DEM) in three dimensions to simulate cone penetration testing (CPT) of granular materials in a calibration ...finite element methods to study CPT ...
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Parallel Computing of Discrete Element Method on GPU
... This paper focuses on discrete element method (DEM) which has properly used in particle motion simulation arising for the last decades [3,4]. NVIDIA SDK provides a sample code for DEM and demonstrates the ...
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Particle breakage criteria in discrete element modelling
... the discrete element method (DEM) has used the octahedral shear stress within a sphere together with a Weibull distribution of strengths and a size effect on average strength, to determine whether fracture ...
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Discrete element modelling of creep of asphalt mixtures
... Abstract : Creep tests on asphalt mixtures have been undertaken under four stress levels in the laboratory while the Discrete Element Model (DEM) has been used to simulate the laboratory tests. A modified ...
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