[Getdp] Magnetodynamic 3D - Electromagnetic circuit element

Michael J. Rivard rivard at sbcglobal.net
Tue Apr 15 21:20:51 CEST 2003


Hi Christophe,

Is the GetDP direct solver (Algorithm = 11) optimized for sparse matrices?

Mike

On Monday 14 April 2003 09:59 am, Christophe Geuzaine wrote:
> Florin CIUPRINA wrote:
> > Is this correct? If yes, probably something else is wrong because
> > unfortunately with this the problem does not converge:
> >
> > GetDP :  998  1.0825175e+06  9.4973969e-01
> > GetDP :  999  1.0559604e+06  9.2643995e-01
> > GetDP : Warning   : Iterative solver has iterated too many times
> > GetDP : 1000  1.0548821e+06  9.2549394e-01
> > GetDP : Solver    : 1000 Iterations / Residual: 1.21005e+06
> >
> > What can I do?
>
> Did you try to solve the linear system with a direct solver
> (Algorithm=11 in solver.par)?
>
> Christophe