Search Results - "Zhao, Jidong"
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A poly‐superellipsoid‐based approach on particle morphology for DEM modeling of granular media
Published in International journal for numerical and analytical methods in geomechanics (01-09-2019)“…Summary Particle morphology plays a key role in affecting physical and mechanical behaviors of granular media. While various mathematical approaches and shape…”
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2
Coupled CFD–DEM simulation of fluid–particle interaction in geomechanics
Published in Powder technology (01-05-2013)“…This paper presents a coupled Computational Fluid Dynamics and Discrete Element Method (CFD–DEM) approach to simulate the behaviour of fluid–particle…”
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3
3D generation of realistic granular samples based on random fields theory and Fourier shape descriptors
Published in Computer methods in applied mechanics and engineering (01-09-2014)“…The inability of simulating the grain shapes of granular media accurately has been an outstanding issue preventing particle-based methods such as discrete…”
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4
A unified CFD‐DEM approach for modeling of debris flow impacts on flexible barriers
Published in International journal for numerical and analytical methods in geomechanics (10-10-2018)“…Summary This paper presents a unified modeling framework to investigate the impacts of debris flow on flexible barriers, based on coupled computational fluid…”
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5
The signature of shear-induced anisotropy in granular media
Published in Computers and geotechnics (01-01-2013)“…This paper presents a micro-mechanical study on the characteristics of shear-induced anisotropy in granular media. Based on three-dimensional Discrete Element…”
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6
Multiscale modeling of large deformation in geomechanics
Published in International journal for numerical and analytical methods in geomechanics (10-04-2019)“…Summary Large deformation soil behavior underpins the operation and performance for a wide range of key geotechnical structures and needs to be properly…”
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7
Modeling continuous grain crushing in granular media: A hybrid peridynamics and physics engine approach
Published in Computer methods in applied mechanics and engineering (01-05-2019)“…Numerical modeling of crushable granular materials is a challenging but important topic across many disciplines of science and engineering. Commonly adopted…”
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8
Interplays between particle shape and particle breakage in confined continuous crushing of granular media
Published in Powder technology (22-01-2021)“…This paper presents a computational study on the interactive evolution of particle shape and particle breakage for granular material under confined…”
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9
Dam-break of mixtures consisting of non-Newtonian liquids and granular particles
Published in Powder technology (01-10-2018)“…This paper revisits the classical dam break problem based on coupled Computational Fluid Dynamics and Discrete Element Method (CFD-DEM) modeling and analysis…”
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10
Quantitative simulation of selective laser melting of metals enabled by new high-fidelity multiphase, multiphysics computational tool
Published in Computer methods in applied mechanics and engineering (01-09-2022)“…Laser powder bed fusion represents the future for metal additive manufacturing. Advance of this emerging technology is bottlenecked by the unavailability of…”
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11
3D multiscale modeling of strain localization in granular media
Published in Computers and geotechnics (01-12-2016)“…A hierarchical multiscale modeling approach is used to investigate three-dimensional (3D) strain localization in granular media. Central to the multiscale…”
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12
Quantifying the transition of impact mechanisms of geophysical flows against flexible barrier
Published in Engineering geology (01-08-2021)“…Flexible barriers have been increasingly used worldwide for mitigating natural hazards involving various geophysical flows. The analysis and design of flexible…”
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13
A semi‐implicit material point method based on fractional‐step method for saturated soil
Published in International journal for numerical and analytical methods in geomechanics (01-07-2021)“…In this paper, a new formulation of material point method (MPM) to model coupled soil deformation and pore fluid flow problems is presented within the…”
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14
A coupled CFD-DEM analysis of granular flow impacting on a water reservoir
Published in Acta mechanica (01-08-2014)“…Massive debris flows or rock avalanches falling into a water reservoir may cause devastating hazards such as overtopping or dam breakage. This paper presents a…”
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15
The deformation and failure of strip footings on anisotropic cohesionless sloping grounds
Published in International journal for numerical and analytical methods in geomechanics (01-07-2021)“…Footing foundations are sometimes built on sloping grounds of natural sand which is highly anisotropic. The anisotropic mechanical behaviour of sand can…”
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16
Calibration of the continuous surface cap model for concrete
Published in Finite elements in analysis and design (01-05-2015)“…The continuous surface cap (MAT 145) model in LS-DYNA is known by its elegant and robust theoretical basis and can well capture many important mechanical…”
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17
Multiscale insights into classical geomechanics problems
Published in International journal for numerical and analytical methods in geomechanics (25-02-2016)“…Summary We pay a revisit to some classical geomechanics problems using a novel computational multiscale modelling approach. The multiscale approach employs a…”
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18
A coupled CFD‐DEM investigation of suffusion of gap graded soil: Coupling effect of confining pressure and fines content
Published in International journal for numerical and analytical methods in geomechanics (01-12-2020)“…Suffusion involves fine particles migration within the matrix of coarse fraction under seepage flow, which usually occurs in the gap‐graded material of dams…”
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19
A coupled SPFEM/DEM approach for multiscale modeling of large‐deformation geomechanical problems
Published in International journal for numerical and analytical methods in geomechanics (01-04-2021)“…Computational modeling in geotechnical engineering frequently needs sophisticated constitutive models to describe prismatic behavior of geomaterials subjected…”
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20
Investigating the effect of flow direction on suffusion and its impacts on gap-graded granular soils
Published in Acta geotechnica (01-02-2021)“…The flow direction is generally different from the gravity direction in geotechnical structures or slopes, the effect of which during suffusion remains…”
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