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Flexural strength test and meso-mechanical evolution behavior of cement concrete based on discrete element method

期刊: COMPUTATIONAL PARTICLE MECHANICS, ; ()

Each damage of cement mixture is closely related to the heterogeneity and discontinuity of its internal materials. It is very important to analyze the......

Simulation of contact interface between elastic solids using smoothed particle hydrodynamics

期刊: COMPUTATIONAL PARTICLE MECHANICS, ; ()

In recent years, the use of the smoothed particle hydrodynamics (SPH) method has increased. However, most researches have restricted the application o......

Numerical analysis of the brittle-ductile transition of deeply buried marble using a discrete approach

期刊: COMPUTATIONAL PARTICLE MECHANICS, ; ()

In high geostress areas, rocks tend to experience plastic deformation processes and show ductility. Therefore, the study of the mechanical properties ......

Investigation of the grain breakage behaviour of 2D granular materials with disordered pore distribution

期刊: COMPUTATIONAL PARTICLE MECHANICS, ; ()

Granular materials have been widely used in the field of geotechnical engineering. Being one of the intrinsic properties of granular materials, the in......

True shape modeling of bio-particulate matter flow in an aero-cyclone separator using CFD-DEM simulation

期刊: COMPUTATIONAL PARTICLE MECHANICS, ; ()

The multi-phase flow of air and bio-particulate matter exists in many biological and environmental systems such as aerodynamic separating devices, flu......

Breakage behavior of gravel rock particles under impact force

期刊: COMPUTATIONAL PARTICLE MECHANICS, ; ()

To investigate the rock particle breakage behavior subject to impact load, a series of split Hopkinson pressure bar (SHPB) tests were conducted on sel......

Numerical simulation of uniaxial compression tests on layered rock specimens using the discrete element method

期刊: COMPUTATIONAL PARTICLE MECHANICS, 2020; 7 (4)

In this paper, uniaxial compression tests on layered rock specimens are numerically modelled using the discrete element method to investigate the effe......

Numerical modeling of geomaterial fracture using a cohesive crack model in grain-based DEM

期刊: COMPUTATIONAL PARTICLE MECHANICS, 2020; 7 (4)

This paper aims to study the mechanical behavior of rocks using the cohesive crack model (CCM) and grain-based model (GBM) within the distinct element......

Numerical investigations for a chain of particles settling in a channel

期刊: COMPUTATIONAL PARTICLE MECHANICS, 2020; 7 (4)

The present work deals with the numerical investigation for a chain-like formation of suspended particles of circular shape in fluid flow. An explicit......

A 3D thermal cracking model for rockbased on the combined finite-discrete element method

期刊: COMPUTATIONAL PARTICLE MECHANICS, 2020; 7 (5)

A three-dimensional coupled thermomechanical model is proposed which can simulate crack initiation, propagation and coalescence, as well as the distri......

A coupled 3D discrete elements/isogeometric method for particle/structure interaction problems

期刊: COMPUTATIONAL PARTICLE MECHANICS, 2020; 7 (5)

To utilize the geometry smoothness of isogeometric analysis for solid media and the effectiveness of the discrete element method for particulate matte......

Capturing heat transfer for complex-shaped multibody contact problems, a new FDEM approach

期刊: COMPUTATIONAL PARTICLE MECHANICS, 2020; 7 (5)

This paper presents a new approach for the modelling of heat transfer in 3D discrete particle systems. Using a combined finite-discrete element (FDEM)......

A transport point method for complex flow problems with free surface

期刊: COMPUTATIONAL PARTICLE MECHANICS, 2020; 7 (2)

The material point method (MPM) has been widely used in a broad area of engineering. However, it still suffers from the accuracy problem. One of the m......

Modeling and simulation of ice-water interactions by coupling peridynamics with updated Lagrangian particle hydrodynamics

期刊: COMPUTATIONAL PARTICLE MECHANICS, 2020; 7 (2)

In this work, a coupling method between the bond-based peridynamics model for solids and the updated Lagrangian particle hydrodynamics (ULPH) model of......

An efficient gradient smoothing meshfree formulation for the fourth-order phase field modeling of brittle fracture

期刊: COMPUTATIONAL PARTICLE MECHANICS, 2020; 7 (2)

A reproducing kernel gradient smoothing meshfree formulation is proposed for the fourth-order phase field modeling of brittle fracture. In order to ci......

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