On 30/10/13 16:48, Matthew Knepley wrote: > On Wed, Oct 30, 2013 at 8:58 AM, Torquil Macdonald Sørensen > <[email protected] <mailto:[email protected]>> wrote: > > Thanks Matthew! > > The problem I'm working on is the Dirac equation, in various > number of dimensions. I'm going to take a stab at multigrid > preconditioning. > > > My limited knowledge of the Dirac Equation tells me that it is a > relativistic wave equation, and thus hyperbolic, which is quite > difficult for > MG (but doable with a bunch of work). How do you have this formulated? >
I'm doing time-stepping at the moment, so I'm solving an elliptic equation at each time step. No fancy hyperbolic multigrid work :-) Best regards Torquil Sørensen
