A 5D gyrokinetic full-f global semi-Lagrangian code for flux-driven ion turbulence simulations
نویسندگان
چکیده
منابع مشابه
A 5D gyrokinetic full-f global semi-Lagrangian code for flux-driven ion turbulence simulations
This paper addresses non-linear gyrokinetic simulations of ion temperature gradient (ITG) turbulence in tokamak plasmas. The electrostatic Gysela code is one of the few international 5D gyrokinetic codes able to perform global, full-f and flux-driven simulations. Its has also the numerical originality of being based on a semi-Lagrangian (SL) method. This reference paper for the Gysela code pres...
متن کاملGYSELA , a full- f global gyrokinetic Semi-Lagrangian code for ITG turbulence simulations
This work addresses non-linear global gyrokinetic simulations of ion temperature gradient (ITG) driven turbulence with the GYSELA code. The particularity of GYSELA code is to use a fixed grid with a Semi-Lagrangian (SL) scheme and this for the entire distribution function. The 4D non-linear drift-kinetic version of the code already showns the interest of such a SL method which exhibits good pro...
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In gyrokinetic turbulent simulations, the knowledge of some stationary states can help reducing numerical artifacts. Considering long-term simulations, the qualities of the Vlasov solver and of the radial boundary conditions have an impact on the conservation properties. In order to improve mass and energy conservation mainly, the following methods are investigated: fix the radial boundary cond...
متن کاملComputing ITG turbulence with a full-f semi-lagrangian code
This paper addresses non-linear global gyrokinetic simulations of ion temperature gradient (ITG) driven turbulence with the GYSELA code. The particularity of GYSELA code is to use a SemiLagrangian (SL) scheme and this for the full distribution function. The 4D non-linear driftkinetic version of the code already showns the interest of such a SL method which exhibits good properties of energy con...
متن کاملGlobal full-f gyrokinetic simulations of plasma turbulence
Critical physical issues can be specifically tackled with the global full-f gyrokinetic code GYSELA. Three main results are presented. First, the selfconsistent treatment of equilibrium and fluctuations highlights the competition between two compensation mechanisms for the curvature driven vertical charge separation, namely, parallel flow and polarization. The impact of the latter on the turbul...
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ژورنال
عنوان ژورنال: Computer Physics Communications
سال: 2016
ISSN: 0010-4655
DOI: 10.1016/j.cpc.2016.05.007