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  1. iopscience.iop.org

    In a PIC simulation, the phase-space of each plasma species a is sampled according to N a macroparticles of mass M a and charge Q a.When the equations computed by a PIC code are renormalized to physical units, each macroparticle represents real particles of mass m a and electrical charge q a. is therefore a number, a lineal density or an areal density of real particles from species a in 3D, 2D ...
    • IOPscience

      IOPscience - Kinetic theory of particle-in-cell simulation plasma and the ensemble ...

  2. researchgate.net

    The theory is then used to analyze the ensemble averaging technique of PIC simulations where statistical averages are performed over ensembles of PIC simulations, modeling the same plasma physics ...
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  4. iopscience.iop.org

    Analytical estimates of statistical fluctuation amplitudes are derived as a function of the plasma simulation parameters, using the central limit theorem in the limit of a large number of macroparticles per cell. The theory is then used to analyze the ensemble averaging technique of PIC simulations where statistical averages are performed over ...
  5. We derive the kinetic theory of fluctuations in physically and numerically stable particle-in-cell (PIC) simulations of electrostatic plasmas. The starting point is the single-time correlations at the simulation start between the statistical fluctuations of weighted densities of macroparticle centers in the plasma particle phase-space. The single-time correlations at all time steps and in each ...
  6. iopscience.iop.org

    Aug 3, 2023Kinetic theory of particle-in-cell simulation plasma and the ensemble averaging technique Michaël Touati, Romain Codur, Frank Tsung et al.-Novel methods in the Particle-In-Cell accelerator Code-Framework Warp J-L Vay, D P Grote, R H Cohen et al.-Tail of the two-time height distribution for KPZ growth in one dimension Jacopo de Nardis and ...
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  8. epp.tecnico.ulisboa.pt

    extreme plasma physics > Publications > Kinetic theory of particle-in-cell simulation plasma and the ensemble averaging technique. Kinetic theory of particle-in-cell simulation plasma and the ensemble averaging technique. Latest News / Press Releases. GoLP researchers secure 30 million core hours on MareNostrum 5
  9. researchgate.net

    The theory is then used to analyze the ensemble averaging technique of PIC simulations where statistical averages are performed over ensembles of PIC simulations, modeling the same plasma physics ...
  10. pubs.aip.org

    The particle-in-cell method with Monte Carlo collisions is frequently used when a detailed kinetic simulation of a weakly collisional plasma is required. In such cases, one usually desires, inter alia, an accurate calculation of the particle distribution functions in velocity space. However, velocity space diffusion affects most, perhaps all ...
  11. semanticscholar.org

    We derive the kinetic theory of fluctuations in physically and numerically stable particle-in-cell (PIC) simulations of electrostatic plasmas. The starting point is the single-time correlation at the start of the simulation between the statistical fluctuations of the weighted densities of macroparticle centers in the plasma particle phase-space. The fluctuations are associated with different ...
  12. sciencedirect.com

    The Fluid-Kinetic PIC method is similar to the Particle-Fluid model proposed by Vedin and Rönnmark in Refs. [12], [13].Their model properly treated the kinetic effects in a simulation of auroral electron acceleration that was originally done by Rönnmark and Hamrin [14].The Particle-Fluid method has been designed for describing the behavior of a strongly magnetized plasma with cold ions ...

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