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simulations Particle-In-Cell

E × B electron drift instability in Hall thrusters: Particle-in-cell simulations vs. theory

E × B electron drift instability in Hall thrusters: Particle-in-cell simulations vs. theory

... observed in recent particle simulations of Hall thrusters and is a possible candidate to explain anomalous electron transport across the magnetic field in these ...wavelength in the mm ...

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Application of sparse grid combination techniques to low temperature plasmas Particle-In-Cell simulations. Part 2 Electron drift instability in a Hall thruster

Application of sparse grid combination techniques to low temperature plasmas Particle-In-Cell simulations. Part 2 Electron drift instability in a Hall thruster

... 19 particle positions to push ...consists in computing charge densities on the sparse grid nodes (using the standard bilinear interpolation functions), then to perform a projection on the regular grid nodes ...

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Data decomposition of Monte Carlo particle transport simulations via tally servers

Data decomposition of Monte Carlo particle transport simulations via tally servers

... a particle. For example, a filter criterion could be that a particle has a collision within a defined mesh cell, or that a particle’s energy is within a defined ...location in memory. As an ...

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Janssen's effect in a granular cell revisited by experiments and numerical simulations

Janssen's effect in a granular cell revisited by experiments and numerical simulations

... DEM simulations show that in all cases tested, the compactness is relatively ...the particle bed, in which the stress is gen- erally assimilated to a ”quasi-hydrostatic” ...defining in ...

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Effect of Pt nano-particle size on the microstructure of PEM fuel cell catalyst layers: Insights from molecular dynamics simulations

Effect of Pt nano-particle size on the microstructure of PEM fuel cell catalyst layers: Insights from molecular dynamics simulations

... Computer simulations, especially molecu- lar level techniques, have consequently become a powerful tool complementing experiments to probe the fundamentals of CL for- ...(MD) simulations have for instance ...

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Geometric Particle-in-Cell methods for the Vlasov-Maxwell equations with spin effects

Geometric Particle-in-Cell methods for the Vlasov-Maxwell equations with spin effects

... spins in metallic or magnetic nano-objects has been the object of intense investigations, both theoretical and experimental, over the past few decades (Bigot & Vomir ...role in nanometric systems, most ...

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Particle-laden flows forced by the disperse phase: Comparison between Lagrangian and Eulerian simulations

Particle-laden flows forced by the disperse phase: Comparison between Lagrangian and Eulerian simulations

... , in which the authors compared different projection strategies for transforming Lagrangian quantities into Eulerian fields for the sake of comparison (not for the numerical ...

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Simulation of Smith-Purcell Terahertz radiation using a particle-in-cell code

Simulation of Smith-Purcell Terahertz radiation using a particle-in-cell code

... THE SIMULATIONS The simulations are performed using the commercially available code ...relativistic particle trajectories, and the continuity equation is solved to provide current and charge ...

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Pitfalls in Modeling Walls and Neutrals Physics in Gas Discharges Using Parallel Particle-in-Cell Monte Carlo Collision Algorithms

Pitfalls in Modeling Walls and Neutrals Physics in Gas Discharges Using Parallel Particle-in-Cell Monte Carlo Collision Algorithms

... Keywords: particle-in-cell, parallel implementation, wall interaction, neutral dynamics, differential cross-section ...used in a great variety of applications [ 1 , 2 ], such as space ...

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Particle-in-cell modelling of relativistic laser-plasma interaction with the adjustable damping, direct implicit method

Particle-in-cell modelling of relativistic laser-plasma interaction with the adjustable damping, direct implicit method

... Implicit particle-in-cell codes offer advantages over their explicit counterparts in that they suffer weaker stability constraints on the need to resolve the higher frequency modes of the ...

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Accurate estimate of drag forces using particle-resolved direct numerical simulations

Accurate estimate of drag forces using particle-resolved direct numerical simulations

... move in a 3D geometry. The commonly developed alternative approach consists in simulating this kind of flow on a fixed grid and locating the interface thanks to an auxiliary phase function such as Volume of ...

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Janssen's effect in a granular cell revisited by experiments and numerical simulations

Janssen's effect in a granular cell revisited by experiments and numerical simulations

... DEM simulations show that in all cases tested, the compactness is relatively ...the particle bed, in which the stress is gen- erally assimilated to a ”quasi-hydrostatic” ...defining in ...

3

Particle agglomeration in flows: fast D2SD algorithm for CFD simulations

Particle agglomeration in flows: fast D2SD algorithm for CFD simulations

... the cell (within the mesh used for the CFD simulations) and its surrounding ...the particle agglomeration ...lies in the fact that they do not rely on any information coming from the spatial ...

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Particle-resolved numerical simulations of the gas–solid heat transfer in arrays of random motionless particles

Particle-resolved numerical simulations of the gas–solid heat transfer in arrays of random motionless particles

... averaged in the interval t ∗ ∈ ...retained in the present study. In Table 2 , the ratio between the surface elements (N b ) and the number of grid cells over the particle surface (estimated as ...

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Particle-particle coating in a cyclomix impact mixer

Particle-particle coating in a cyclomix impact mixer

... 2. Experimental 2.1. Powders Silica gel powder supplied by Merck and usually used for chroma- tography column has been chosen as host particles for dry coating. This silica gel has a hydrophilic porous structure which ...

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Development of a Production Process for a Virus Like Particle Based Vaccine in Cell Culture

Development of a Production Process for a Virus Like Particle Based Vaccine in Cell Culture

... system in place to try to predict the emerging strains for each upcoming flu season in both the northern and southern ...included in each vaccine ...titers in embryonated hen’s eggs, ...

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Particle methods in finance

Particle methods in finance

... Abstract In this article we present a sampling method, Hamiltonian flow Monte Carlo, which is ba- sed on the simulation of Hamiltonian system to estimate rare ...however, in practise it is hard to find an ...

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Assessment of numerical methods for fully resolved simulations of particle-laden turbulent flows

Assessment of numerical methods for fully resolved simulations of particle-laden turbulent flows

... shown in many finite-size particle studies that the fluid kinetic energy decreases faster when particles are present; see for example (8,9,51) .... In the present simulations this phe­ nomenon ...

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Hepatitis C Lipo-Viro-Particle from Chronically Infected Patients Interferes with TLR4 Signaling in Dendritic Cell.

Hepatitis C Lipo-Viro-Particle from Chronically Infected Patients Interferes with TLR4 Signaling in Dendritic Cell.

... persist in cells. HCV negative strand could also be detected in cells by real time PCR and its identification was confirmed by sequencing (data not shown) ...viral particle was released by infected ...

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Optofluidic device based microflow cytometers for particle/cell detection: a review

Optofluidic device based microflow cytometers for particle/cell detection: a review

... shape, cell granularity and cell viability, can be detected simultaneously at rates of up to 50,000 particles per second [ 1 ...beam in a single file stream flowing through a glass tube [ 7 ...single ...

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