Journal
PHYSICS OF PLASMAS
Volume 16, Issue 12, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.3267211
Keywords
partial differential equations; plasma magnetohydrodynamics; plasma theory; symmetry
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Lie's technique of computing symmetries of differential equations is applied to a specific case of the Grad-Shafranov equation. The case considered contains the majority of exact solutions from literature. The full symmetry group is computed and new group-invariant solutions are obtained from these symmetries. The basic results and methods behind this technique are given to allow the reader who is unfamiliar with the subject to use the results given in this paper. Several plots of the level sets or flux surfaces of the new solutions are given.
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