[Getdp] (no subject)

[Виктор Медведев]

Good afternoon!
I use software GetDP for the decision of problems of calculation of magnetic fields. At start of my 
problem with use of an iterative cycle I receive the following message:

Processing. . .
Info         : InitSolution[Sys_Hag]
Info         : IterativeLoop ...
Info         : Non Linear Iteration 1 (Relaxation = 1)
Info         : GenerateJac[Sys_Hag]
Info         : Loading parameter file 'solver.par1
Info         : (CPU = 7.06693s)
Info         : SolveJac[Sys_Hag]
Info         : Scaling system of equations
Info         : RCHK algebraic renumbering
Info         : N: 132875, NZ: 1891771, BU max/avg: 39/14, SU max: 131308
Info         : (CPU = 8.79966s)
Info         : ILUTP (Double, fill-in = 700)
Info         : N: 132875, NZ: 11350458, BU max/avg: 1400/85, SU max: 18613
Info         : (CPU = 46.5449s)
Info         : Generalized Minimum RESidual (GMRES)
Info         :     1  nan nan
Warning   : Iterative solver is facing a break-down
Info         :     2  0.0000000e+00  nan
Info         : 2 Iterations / Residual: nan
Info         : Mean error: 0.000e+00  (after 1 iteration)
Info         : (CPU = 46.6529s)
Info         : Mean Error = 0.000e+00 after 1 Iterations
Info         : SaveSolution[Sys_Hag]
Info         : (CPU = 46.6879s)
End      Processing
Info         :   Stopped on Thu Sep   16   11:41:10  2010

Why the value GMRES is equal nan or 0? How it is possible to solve the given problem?

Yours faithfully, Victor


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