- Abstract:
-
A shell model for magnetohydrodynamics (MHD) is derived directly from the dynamical system driving the evolution of three helical modes interacting in a triad. The use of helical modes implies that two shell variables are required for the velocity as well as for the magnetic field. The advantage of the method is the automatic conservation of all the ideal quadratic MHD invariants. The number of coupling constants is however larger than in traditional shell models. This difficulty is worked ar...
Expand abstract - Publisher copy:
- 10.1007/s00162-009-0165-y
-
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- Journal:
- Theoretical and Computational Fluid Dynamics
- Volume:
- 23
- Issue:
- 6
- Pages:
- 439-450
- Publication date:
- 2009-11-05
- DOI:
- EISSN:
-
1432-2250
- ISSN:
-
0935-4964
- URN:
-
uuid:8bcbcb4a-0a3e-439b-a8f1-53ddd070e766
- Source identifiers:
-
367584
- Local pid:
- pubs:367584
- Language:
- English
- Keywords:
- Copyright date:
- 2009
Journal article
Helical shell models for MHD
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