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The Vlasov Equation

Solving the Vlasov equation in complex geometries

Solving the Vlasov equation in complex geometries

... the Vlasov-Poisson ...the Vlasov equation, while a grid is necessary only in real space in order to solve the Poisson ...the Vlasov equation on a fixed grid in phase-space using finite ...

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Space-only hyperbolic approximation of the Vlasov
          equation

Space-only hyperbolic approximation of the Vlasov equation

... In this paper, we propose a general Eulerian approach for solving the Vlasov equation. It is based on the semi-discretization of the Vlasov equation with respect to the velocity variable. In ...

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On local smooth solutions for the Vlasov equation with the potential of
interactions ±r−2

On local smooth solutions for the Vlasov equation with the potential of interactions ±r−2

... the Vlasov equation with the potential of interactions ±r − 2 , we prove the existence and uniqueness of a local solution with values in the Schwartz space S of infinitely differentiable functions rapidly ...

9

First order Two-Scale Particle-in-Cell numerical method for the
          Vlasov equation

First order Two-Scale Particle-in-Cell numerical method for the Vlasov equation

... For the second step of the algorithm, we need to recover an approximation of the space derivatives of G thanks to the particle approximation of G.. Therefore, a regularization of approxi[r] ...

13

Hyperbolic approximation
          of the fourier transformed vlasov equation

Hyperbolic approximation of the fourier transformed vlasov equation

... transformed Vlasov equation in which the dependency on the spectral-velocity variable is ...the Vlasov equation after a Fourier transformation in the velocity variable as in ...

11

Simple collision operators for direct Vlasov solvers

Simple collision operators for direct Vlasov solvers

... Figure 1.9: Summary of the physics of a high power laser hitting a target. Reproduced from Thomas et al. [23] laser pulse interacts with matter and some characteristics of the plasma in each region. The region on the ...

119

Lagrangian/Eulerian solvers and simulations for Vlasov-Poisson

Lagrangian/Eulerian solvers and simulations for Vlasov-Poisson

... Abstract. We construct a hyperbolic approximation of the Vlasov equation using a method of reduc- tion [10, 14, 22] in which the dependency on the velocity variable is removed. The reduction relies on a ...

13

Vlasov code development with inertial confinement fusion applications

Vlasov code development with inertial confinement fusion applications

... Kinetic models adopt a statistical treatment of the plasma retaining information about the distribution of particle momenta. In addition to the conventional spatial di- mensions, a kinetic model may have up to three ...

164

Exact Vlasov Maxwell equilibria for asymmetric current sheets

Exact Vlasov Maxwell equilibria for asymmetric current sheets

... Vlasov equation. We present new and exact equilibrium solutions of the Vlasov-Maxwell system that are self-consistent with one-dimensional asymmetric current sheets, with an asymmetric Harris-type ...

11

Discontinuous Galerkin semi-Lagrangian method for Vlasov-Poisson

Discontinuous Galerkin semi-Lagrangian method for Vlasov-Poisson

... the Vlasov equation, have been preferred for a long time because of their low computational ...the Vlasov equation on a mesh of the phase-space, thus improving the precision; among these ...

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Infinite-dimensional regularization of McKean-Vlasov equation with a Wasserstein diffusion

Infinite-dimensional regularization of McKean-Vlasov equation with a Wasserstein diffusion

... 0.3.2 Restoration of uniqueness under a regularity assumption in both arguments of the velocity field The second main result of this text is a well-posedness result for a continuum of admissible drift functions b that ...

49

On local existence of the Vlasov-Fokker-Planck equation in a 2D anisotropic space

On local existence of the Vlasov-Fokker-Planck equation in a 2D anisotropic space

... Full list of author information is available at the end of the article Abstract We are concerned with local existence of the Vlasov-Fokker-Planck equation in a 2D anisotropic space L p x L 1 v in a bounded ...

7

Linear quadratic optimal control of conditional McKean-Vlasov equation with random coefficients and applications

Linear quadratic optimal control of conditional McKean-Vlasov equation with random coefficients and applications

... Abstract We consider the optimal control problem for a linear conditional McKean- Vlasov equation with quadratic cost functional. The coefficients of the system and the weighting matrices in the cost ...

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Vlasov on GPU (VOG project)*,**,***

Vlasov on GPU (VOG project)*,**,***

... The main goal of this work is to use recent GPU devices for semi-Lagrangian simulations of the Vlasov-Poisson system (1)-(2). Indeed, looking for new algorithms that are highly scalable in the field of plasmas ...

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Finite volume schemes for Vlasov

Finite volume schemes for Vlasov

... the Vlasov-Poisson context enables a licit splitting operator, in some situations however this procedure is not suitable (see [7, 19]) and can lead to numerical ...

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Vlasov simulations of parallel potential drops

Vlasov simulations of parallel potential drops

... Received: 29 April 2013 – Accepted: 18 June 2013 – Published: 18 July 2013 Abstract. An auroral flux tube is modelled from the mag- netospheric equator to the ionosphere using Vlasov simu- lations. Starting from ...

14

Vlasov simulation of Langmuir wave packets

Vlasov simulation of Langmuir wave packets

... Abstract. Amplitude modulation and packet formation of Langmuir waves are commonly observed during a nonlinear interaction between electron beams and plasmas. In this pa- per, we briefly review the history of Langmuir ...

9

Stokes Representation for the Solutions of Maxwell Vlasov

Stokes Representation for the Solutions of Maxwell Vlasov

... Maxwell-Vlasov PDEs system describes the dynamics of plasma consisting of charged particles with long-range inter- action. Their solutions can be written using some Stokes potentials. Section 1 presents the ...

6

Vlasov simulations of trapping and loss of auroral electrons

Vlasov simulations of trapping and loss of auroral electrons

... 4 Department of Physics, Umeå University, 901 87 Umeå, Sweden Correspondence to: H. Gunell ([email protected]) Received: 27 October 2014 – Revised: 4 February 2015 – Accepted: 12 February 2015 – Published: 4 ...

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Cosmological Vlasov Poisson equations for dark matter

Cosmological Vlasov Poisson equations for dark matter

... Received: 21 July 2021 / Accepted: 8 October 2021 / Published online: 5 November 2021 © The Author(s) 2021 Abstract The cosmic large-scale structures of the Universe are mainly the result of the grav- itational ...

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