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# VENUS-LEVIS and its spline-Fourier interpolation of 3D toroidal magnetic field representation for guiding-centre and full-orbit simulations of charged energetic particles

@article{Pfefferle2014VENUSLEVISAI, title={VENUS-LEVIS and its spline-Fourier interpolation of 3D toroidal magnetic field representation for guiding-centre and full-orbit simulations of charged energetic particles}, author={Dana Pfefferle and W. A. Cooper and J. P. Graves and C. Misev}, journal={Computer Physics Communications}, year={2014}, volume={185}, pages={3127-3140} }

- Published 2014 in Computer Physics Communications
DOI:10.1016/j.cpc.2014.08.007

Curvilinear guiding-centre drift and full-orbit equations of motion are presented as implemented in the VENUS-LEVIS code. A dedicated interpolation scheme based on Fourier reconstruction in the toroidal and poloidal directions and cubic spline in the radial direction of flux coordinate systems is detailed. This interpolation method exactly preserves the order of the RK4 integrating scheme which is crucial for the investigation of fast particle trajectories in 3D magnetic structures such as… CONTINUE READING