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math.NA2014★ 1 cited
Asymptotic-preserving methods for an anisotropic model of electrical potential in a tokamak
Philippe Angot, Thomas Auphan, Olivier Guès
A 2D nonlinear model for the electrical potential in the edge plasma in a tokamak generates a stiff problem due to the low resistivity in the direction parallel to the magnetic fie…
math.NA2014★ 8 cited
An optimal penalty method for a hyperbolic system modeling the edge plasma transport in a tokamak
Philippe Angot, Thomas Auphan, Olivier Guès
The penalization method is used to take account of obstacles, such as the limiter, in a tokamak. Because of the magnetic confinement of the plasma in a tokamak, the transport occur…