التفاصيل البيبلوغرافية
| العنوان: |
COMPUTING BELTRAMI FIELDS. |
| المؤلفون: |
AMARI, TAHAR, BOULBE, CEDRIC, ZAMENE BOULMEZAOUD, TAHAR |
| المصدر: |
SIAM Journal on Scientific Computing; 2009, Vol. 31 Issue 5, p3217-3254, 38p, 10 Diagrams, 6 Charts |
| مصطلحات موضوعية: |
NONLINEAR evolution equations, FORCE-free magnetic fields, MAGNETOSPHERIC radio wave propagation, SPLITTING extrapolation method, BURGERS' equation, HYBRID systems |
| مستخلص: |
For solving the nonlinear equations governing force-free fields, an iterative methodology based on the splitting of the problem is described. On the basis of this splitting, three families of subproblems have to be solved numerically. The first problem consists to find a potential field. A mixed hybrid method is used to solve it. The second problem, which is a curl-div system, is solved by means of a mixed method. The last problem is a transport equation which is approximated using a streamline diffusion technique. Numerical three-dimensional experiments and results are given to illustrate the efficiency of the method. [ABSTRACT FROM AUTHOR] |
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