Theory of Multipole Solutions to the Sourceless Grad-Shafranov Equation in Plasma Physics
| Autor: | Ferreira, Antonio Carlos de Almeida |
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| Rok vydání: | 2018 |
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| Druh dokumentu: | Working Paper |
| Popis: | The rules to write out any one of the linearly independent functions belonging to the infinite set of those in polynomial form that satisfy the sourceless Grad-Shafranov equation as stated in the toroidal-polar coordinate system are established. It is found that a polynomial solution even in the poloidal angle is given by the product of an integral power of the radial coordinate variable by a complete polynomial of equal degree in this same variable with angular-dependent coefficient functions that are linear combinations of a finite number of Chebyshev polynomials in the cosine of the poloidal angle, the numerical coefficients of these being expressed in terms of the binomial numbers of Pascal's arithmetic triangle. Tables of the ten polynomial solutions of the lowest degrees are provided in variables of the toroidal-polar and of the cylindrical coordinate systems. Comment: This manuscript has been submitted posthumously by the author's niece, Christina R. Ferreira (cferrei@purdue.edu) |
| Databáze: | arXiv |
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