Numerically stable method for kinetic electrons in gyrokinetic particle-in-cell simulation of toroidal plasmas

The direct implicit method with a second-order implicit integration scheme is formulated for and applied to the electron parallel nonlinearity in global electrostatic gyrokinetic particle-in-cell simulations of toroidal fusion plasmas. The method shows improved numerical accuracy and stability prope...

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Veröffentlicht in:	Journal of computational physics 2013-04, Vol.239, p.22-29
Hauptverfasser:	Korpilo, T., Heikkinen, J.A., Janhunen, S.J., Kiviniemi, T.P., Leerink, S., Ogando, F.
Format:	Artikel
Sprache:	eng
Schlagworte:	Angular momentum Computer simulation Energy conservation Fusion plasma physics Gyrokinetic particle simulation Implicit methods Kinetic electrons Mathematical models Particle in cell technique Plasmas Stability
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