discrete element modelling (DEM)
Steps towards numerical verification of the terahertz in-line measurement of tablet mixing by means of discrete element modelling
... 2.3 Discrete element modelling and ray-tracing There is a growing interest towards mechanistic modelling based on solid and gas phase motions such as DEM and computational fluid dynamics in ...
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Discrete element modelling of the in-plane and out-of-plane behaviour of dry-joint masonry wall constructions
... Investigations into the suitability of the model to capture mechanisms A and B2, which often recur in the investigation of historical buildings after an earthquake (Figure 17), were undertaken. The mechanical behaviour ...
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DISCRETE ELEMENT MODELLING OF PARTICLE DEGARDATION OF RAILWAY BALLAST MATERIAL WITH PFC3D SOFTWARE
... About Discrete Element Modelling. The dis- crete element method is used to simulate particu- late or granular modelled material and ...of discrete elements with independ- ent ...
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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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Hybrid finite discrete element modelling of blast induced excavation damaged zone in the top heading of deep tunnels
... The proposed method is then used to model the rock failure process in uniaxial compression test to calibrate the hybrid FEM/DEM by comparing the modelled failure process and force-loading displacement curve with those in ...
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Discrete element modelling (DEM) for masonry infilled steel frames with multiple window openings subjected to lateral load variations
... The Discrete Element Method (DEM) falls within the general classification of force-based numerical method for discontinuum analysis ...Distinct Element Code) software, devel- oped by Cundall in the ...
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Discrete element modelling of uniaxial constant strain rate tests on asphalt mixtures
... Cundall [1] introduced a simple computer program to model the progressive failure of a system of discrete blocks. In that paper, the basic theories of DEM were described. Since then, DEM has been widely used to ...
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Feeder Type Optimisation for the Plain Flow Discharge Process of an Underground Hopper by Discrete Element Modelling
... Evaluated results from the DEM simulation have shown that the proposed solution reduces the performance of the drag chain conveyor. However, the effectiveness of reducing the drag resistance parameters was not ...
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Discrete element modelling of rock communition in a cone crusher using a bonded particle model
... that discrete element method modelling (DEM) of rock size reduction can be achieved by two approaches: the population balance model (PBM) and the bonded particle model ...DEM modelling cone ...
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A study of geogrid reinforced ballast using laboratory pull out tests and discrete element modelling
... The discrete element method (DEM) has then been used to model the interaction between ballast and geogrid by simulating large box pull-out tests and comparing with experimental ...
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Impact of shape representation schemes used in discrete element modelling of particle packing
... Distinct Element Method (DEM) first proposed by Cundall and Strack (1979) has become a standard numerical simulation methodology for modellers dealing with all kinds of ...
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Discrete element modelling of flexible fibre packing
... DEM cylinder simulations in the literature, this study models quite large aspect ratios. This poses some modelling challenges in obtaining stability. The principal data used is shown in Table 1 and example figures ...
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Discrete element modelling of material non coaxiality in simple shear flows
... In past DEM simulations, the shear cell commonly consisted of four geometrically rigid line-walls forming a parallelogram, which is similar to that of the laboratory simple shear devices where the soil specimens are ...
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Discrete element modelling of a rock cone crusher
... angle of repose in the DEM simulation as that measured for the real pebbles during the execution of a simple slump test in the laboratory. This assumption was made, because using spheres to represent rocks, it will be ...
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Discrete element modelling of particulate flow in die filling and powder transfer
... The discrete element method (DEM) code for the current research work was validated against experimental results from AEAT [2001], a part of MODNET ...
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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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Discrete element modelling of a flexible membrane for triaxial testing of granular material at high pressures
... with increasing confining pressure, with high pressures suppressing the effects of cementation. The flexible membrane permits a well-defined peak strength, dilation and formation of a shear band at low confining ...
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Discrete element modelling of creep of asphalt mixtures
... finite element programs, however this approach does not focus on the micromechanical behaviour of the ...the discrete element method (DEM), which is commonly used to model the behaviour of granular ...
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DISCRETE ELEMENT MODELLING OF THE IMPACT PARAMETERS OF A SELECTED FRUIT: MODEL VALIDATION AND EFFECT OF DAMPING
... Although only selected damping values were studied in impact simulation of the apple fruit on a hard surface the agreement in the features of the curve representing the behaviour of[r] ...
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Discrete element modelling of one dimensional compression of cemented sand
... 11 Normal compression lines for simulations with parallel bonds that prevent particle fracture, showing the effects of increasing bond strength.. One-dimensional compression simulations [r] ...
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