!-----------------------------------------------------------------------
&namsol        !   elliptic solver / island / free surface 
!-----------------------------------------------------------------------
   nsolv       =      1    !  elliptic solver: =1 preconditioned conjugate gradient (pcg)
                           !                   =2 successive-over-relaxation (sor)
                           !                   =3 FETI (fet)                               ("key_feti")
                           !                   =4 sor with extra outer halo
   nsol_arp    =      0    !  absolute/relative (0/1) precision convergence test
   nmin        =    300    !  minimum of iterations for the SOR solver
   nmax        =    800    !  maximum of iterations for the SOR solver
   nmod        =     10    !  frequency of test for the SOR solver
   eps         =  1.e-6    !  absolute precision of the solver
   resmax      =  1.e-10   !  absolute precision for the SOR solver
   sor         =  1.92     !  optimal coefficient for SOR solver (to be adjusted with the domain)
   epsisl      =  1.e-10   !  absolute precision on stream function solver
   nmisl       =   4000    !  maximum pcg iterations for island                            ("key_islands")
   rnu         =      1.   !  strength of the additional force used in filtered free surface
/