MHD equilibrium: Difference between revisions

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In two dimensions (assuming axisymmetry), the force balance equation reduces to the  
In two dimensions (assuming axisymmetry), the force balance equation reduces to the  
[[:Wikipedia:Grad-Shafranov equation|Grad-Shafranov equation]].
[[:Wikipedia:Grad-Shafranov equation|Grad-Shafranov equation]].
In three dimensions, the existence of flux surfaces (nested or not) is not guaranteed.
<ref>[http://dx.doi.org/10.1063/1.1761965 H. Grad, ''Toroidal Containment of a Plasma'', Phys. Fluids '''10''' (1967) 137]</ref>


A large number of codes is available to evaluate MHD equilibria.
A large number of codes is available to evaluate MHD equilibria.