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Numerical investigation of collision characteristics of non-spherical particles on ductile surfaces under normal impact
The particle–wall collision behavior plays a crucial role in determining particle motion during the simulation of multiphase flow processes. The...
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A novel particle–particle and particle–wall collision model for superellipsoidal particles
In the framework of computational studies of particulate multiphase flow systems, either dilute or dense, particle–particle as well as particle–wall...
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Elongated Non-spherical Particles in Turbulent Channel Flow Using Euler/Lagrange Approach
In numerical simulations of dispersed multiphase flows by computational fluid dynamics (CFD) methods the most usual assumption is that the particles...
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A hybrid analytical–numerical model for calculating the maximum elastic force acting on a flow-driven elastic prolate spheroidal particle during its collision with a rigid wall
The paper proposes a hybrid analytical–numerical model for calculating the maximum elastic force acting on a flow-driven prolate spheroidal particle...
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The Lift Force on the Finite-Sized Particle Along Particle Trajectory in the Wall-Turbulent Flow over the Sediment Bed
The data from a particle-resolved direct numerical simulation (PR-DNS) of two-phase over the sediment bed are used to examine the existing lift force...
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DEM Analysis of Flow Characteristics of Non-spherical Particles
The flow characteristics of granular materials have attracted extensive attention, and the research focus has gradually expanded from spherical...
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Efficient explicit time integration algorithms for non-spherical granular dynamics on group S(3)
Discrete element method (DEM) is a powerful tool for the dynamic simulation of irregular non-spherical particle systems. The efficient integration of...
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Thirty years of developments in contact modelling of non-spherical particles in DEM: a selective review
The discrete element method has advanced significantly since it originated in 1979. This paper aims to provide a selective overview of some major...
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Numerical Simulation of Inclusion Collision Growth and Removal in a Tundish with Intermittent Induction Heating
To explore the effect of intermittent induction heating mode on inclusions in the tundish, a three-dimensional coupled electromagnetic field, flow...
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Experimental Study of Low-Speed Over-Rotating Steel Ball Oblique Collision
Collision problem is one of the most basic studies in mechanics. This paper aims are to study the characteristics of oblique collision between steel...
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Improved collision handling of elastic solids in sph using a contact force model
Modeling of collision between elastic solids involves deformation of bodies and the interaction with other bodies. Classically, smoothed particle...
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Collision Statistics of Droplets in Turbulence Considering Lubrication Interactions, Mobility of Interfaces, and Non-continuum Molecular Effects
Collision statistics of same-size aerodynamically interacting droplets in homogeneous isotropic turbulence is examined via hybrid direct numerical...
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Interference Phenomenon in the Wavepacket-Triangular Prism Collision in Fractional Schrodinger Equation
Collision of one, two, and three Gaussian wavepackets with a triangular prism and the evolution of a static Gaussian wavepacket inside the prism has...
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Experimental and numerical study of free-falling streams of particles impacting an inclined surface
This paper presents a detailed experimental and numerical analysis of free-falling particle streams impacting a 45° inclined surface of differing...
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Collision rates of small solid particles with rigid spherical and spheroidal bubbles in laminar flow
The interaction and impact of solid particles from a dilute suspension with fixed spherical and deformed bubbles (i.e., oblate spheroids) with rigid...
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Mathematical Simulation of the Formation of the Secondary Fragments of Liquid Droplets as a Result of Their Collision
A mathematical simulation of the formation of the secondary liquid droplets as a result of the collision of their primary droplets has been performed...
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Numerical study on cylindrical particle solid–liquid two-phase flow in a slurry pump
The particles transported by slurry pumps in practical engineering are non-spherical, but the current research mainly focuses on spherical particles,...
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Effect of Shear-Induced Lift on Particle Motion and Turbulence Modulation in Fully Developed Compressible Turbulent Channel Flow
Particle-laden flows exist widely in natural phenomena and engineering applications. Particle-laden turbulent channel flow is essential for...
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Arbitrarily Shaped DEM Model Based on Level Set Method
The level set method, first introduced by Osher and Sethian (J Comput Phys 78:12–49, 1988), is a common and efficient method for calculating the...
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The relevance of wall roughness modeling for simulation of powder flows in laser metal deposition nozzles
Point-particle large-eddy simulations and high-speed imaging are used to investigate effects of wall roughness and particle size on characteristics...
