Accelerating the numerical simulation of magnetic field lines in tokamaks using the GPU

► Tokamak magnetic field lines are simulated on a GPU. ► Numerical integration of a set of nonlinear differential equations is required. ► Using the GPU yields a significant reduction in processing time compared to the CPU. ► Computational runs that took days now take hours. ► These gains have been...

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Veröffentlicht in:	Fusion engineering and design 2011-06, Vol.86 (4), p.399-406
Hauptverfasser:	Kalling, R.C., Evans, T.E., Orlov, D.M., Schissel, D.P., R.Maingi, Menard, J.E., Sabbagh, S.A.
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION TECHNOLOGY Applied sciences Computation COMPUTER CODES Computer simulation Controled nuclear fusion plants DIFFERENTIAL EQUATIONS Energy Energy. Thermal use of fuels Exact sciences and technology Expenses FLEXIBILITY FORTRAN General-purpose computation on graphical processing units Graphical processing unit IMPLEMENTATION Installations for energy generation and conversion: thermal and electrical energy MAGNETIC FIELDS MAGNETIC ISLANDS Mathematical models Non-axisymmetric magnetic perturbations Nonlinearity NSTX PLASMA INSTABILITY Reduction SIMULATION Stochastic magnetic field lines Tokamaks
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