CFHall Code Validation with 3D3V Weibel Instability Simulation

11th Asia Pacific Conference on Plasma Science and Technology;25th Symposium on Plasma Science for Materials

Perepelkina, A.Yu.^1 ; Goryachev, I.A.^1 ; Levchenko, V.D.^1

Keldysh Institute of Applied Mathematics, RAS, Miusskaya sq., 4, Moscow, 125047, Russia^1

关键词: Code validation;    Computational algorithm;    Massively parallels;    Numerical research;    Physical parameters;    Practical problems;    Unsolved problems;    Weibel instability;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/441/1/012014/pdf
DOI  :  10.1088/1742-6596/441/1/012014

来源: IOP

【 摘 要 】

Despite the existence of massively parallel codes and their application to plasma simulation, in the field of computer simulations the unsolved problems still remain. The necessity of various approximations in practical problems, for example, decreasing of the simulation dimension and physical parameter calibrations, arises, but such approximations can make the simulation results questionable. While aiming for the maximal efficiency of computational algorithms it is possible to manage without the majority of popular approximations and to broaden the applicability limits of the numerical research. Such possibility arises with the use of the Locally Recursive non-Locally Asynchronous (LRnLA) algorithms as the base for a program code. This was used as a basis for CFHall plasma simulation code development. CFHall is presented in this work along with the brief description of the underlying algorithms. The applicability of the CFHall to plasma instability simulation is demonstrated on the example of weibel instability simulation.