Shear band analysis of granular materials considering effects of particle shape
Sign Up to like & getrecommendations! Published in 2020 at "Acta Mechanica"
DOI: 10.1007/s00707-020-02771-y
Abstract: Biaxial simulation tests with flexible membrane boundaries and Cosserat theory are used to investigate the effect of the particle shape on the properties of a shear band of granular materials. Three kinds of special particle… read more here.
Keywords: shear band; granular materials; analysis; particle ... See more keywords
3D particle shape modelling and optimization through proper orthogonal decomposition
Sign Up to like & getrecommendations! Published in 2017 at "Granular Matter"
DOI: 10.1007/s10035-017-0771-0
Abstract: Based on proper orthogonal decomposition (POD), a new method is presented in order to statistically characterize arbitrary particle shapes using an optimal choice of shape functions identified on a set of 1000 digitized railway ballast… read more here.
Keywords: orthogonal decomposition; shape; proper orthogonal; particle ... See more keywords
Instability of loose sand in constant volume direct simple shear tests in relation to particle shape
Sign Up to like & getrecommendations! Published in 2020 at "Acta Geotechnica"
DOI: 10.1007/s11440-019-00909-4
Abstract: Post-peak flow instability of six sands notably different in terms of average particle shape characteristics, gradation, and mineralogy was investigated. Tests were carried out under constant volume condition using a NGI-type direct simple shear apparatus.… read more here.
Keywords: direct simple; constant volume; instability; particle shape ... See more keywords
Influence of Particle Shape on the Density and Compressive Performance of Calcareous Sand
Sign Up to like & getrecommendations! Published in 2019 at "KSCE Journal of Civil Engineering"
DOI: 10.1007/s12205-020-0145-8
Abstract: Particle shape influence the bearing capacity of calcareous sand foundations in island reef engineering. An improved Computer Image Analysis method that combined with mathematical statistics was proposed to categorize and sort different shapes of calcareous… read more here.
Keywords: shape; particle; influence; calcareous sand ... See more keywords
The drag coefficient and settling velocity of natural sediment particles
Sign Up to like & getrecommendations! Published in 2019 at "Computational Particle Mechanics"
DOI: 10.1007/s40571-019-00223-6
Abstract: This article reports a study in which drag coefficient is defined more comprehensively. The coefficient is defined as a function of particle nominal diameter, gravitational acceleration, the ambient fluid kinematic viscosity, and the particle shape.… read more here.
Keywords: drag coefficient; settling velocity; particle shape;
Micro-mechanical analysis of caisson foundation in sand using DEM: Particle shape effect
Sign Up to like & getrecommendations! Published in 2021 at "Applied Ocean Research"
DOI: 10.1016/j.apor.2021.102630
Abstract: Abstract The caisson foundation has been extensively studied with experimental, analytical and numerical methods. However, the effect of particle shape on the caisson foundation is somehow ignored. In this paper, the caisson foundation is analyzed… read more here.
Keywords: caisson foundation; particle; effect; particle shape ... See more keywords
The effect of particle shape on the packed bed effective thermal conductivity based on DEM with polyhedral particles on the GPU
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2020.115584
Abstract: Abstract Granular material (GM) is the second most manipulated substance in the world and is present in most industries either as raw materials or finished products. Often the temperature of the granular material needs to… read more here.
Keywords: heat; effect particle; particle; particle shape ... See more keywords
Re-recognizing the impact of particle shape on physical and mechanical properties of sandy soils: A numerical study
Sign Up to like & getrecommendations! Published in 2019 at "Engineering Geology"
DOI: 10.1016/j.enggeo.2019.03.011
Abstract: Abstract The particle shape created by geological processes is an essential characteristic that determines the physical and mechanical properties of sandy soils. However, the nature of the arbitrary shape and the individual volume of particles… read more here.
Keywords: sam; shape; particle shape; physical mechanical ... See more keywords
Particle shape and Stefan flow effects on the burning rate of torrefied biomass
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DOI: 10.1016/j.fuel.2017.08.037
Abstract: Abstract Experiments and subsequent analysis were conducted to gain insight into combustion phenomena of raw and torrefied biomass chars, and to describe the char combustion phase with respect to their frequently discussed non-spherical particle shape.… read more here.
Keywords: stefan flow; particle; biomass; particle shape ... See more keywords
Influence of particle properties on measuring a low-particulate-mass concentration by light extinction method
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DOI: 10.1016/j.fuel.2020.119460
Abstract: Abstract The influence of particle size variation on particle concentration measurement via light extinction is a major challenge in the field, particularly when particle shape and composition can alter the size effect. In this study,… read more here.
Keywords: size variation; extinction; particle; concentration ... See more keywords
Effect of particle shape on microstructure and compressive response of 316L SS foam by space holder technique
Sign Up to like & getrecommendations! Published in 2021 at "Materials Chemistry and Physics"
DOI: 10.1016/j.matchemphys.2021.124924
Abstract: Abstract 316 L stainless steel (SS) foams with varying porosities have been developed through PM route using irregular and spherical particles shaped SS powder using urea as space holder. The effect of SS particle shape on… read more here.
Keywords: shape microstructure; particle shape; effect particle; particle ... See more keywords