petsc-3.6.1 2015-08-06---- Journal Bearing Problem SHB----- mx: 256, my: 256, ecc: 0.1 iter = 0, Function value: 0, Residual: 0.0244006 iter = 1, Function value: -0.0595002, Residual: 0.0889777 iter = 2, Function value: -0.102076, Residual: 0.155492 iter = 3, Function value: -0.157175, Residual: 0.0864495 iter = 4, Function value: -0.161737, Residual: 0.0815667 iter = 5, Function value: -0.165749, Residual: 0.0763074 iter = 6, Function value: -0.169212, Residual: 0.0706907 iter = 7, Function value: -0.172133, Residual: 0.0647414 iter = 8, Function value: -0.174535, Residual: 0.0584857 iter = 9, Function value: -0.17645, Residual: 0.0519579 iter = 10, Function value: -0.17792, Residual: 0.0451941 iter = 11, Function value: -0.178996, Residual: 0.0382376 iter = 12, Function value: -0.179734, Residual: 0.0311696 iter = 13, Function value: -0.180195, Residual: 0.0241169 iter = 14, Function value: -0.180423, Residual: 0.0181101 iter = 15, Function value: -0.180528, Residual: 0.0131248 iter = 16, Function value: -0.18058, Residual: 0.00825373 iter = 17, Function value: -0.180598, Residual: 0.00361939 iter = 18, Function value: -0.1806, Residual: 0.00115614 iter = 19, Function value: -0.180601, Residual: 5.25707e-05 iter = 20, Function value: -0.180601, Residual: 9.49117e-11 Tao Object: 16 MPI processes type: tron Total PG its: 60, PG tolerance: 0.001 TaoLineSearch Object: 16 MPI processes type: more-thuente KSP Object: 16 MPI processes type: stcg total KSP iterations: 1907 Active Set subset type: subvec convergence tolerances: fatol=1e-10, frtol=1e-10 convergence tolerances: gatol=1e-08, steptol=1e-12, gttol=0 Residual in Function/Gradient:=9.49117e-11 Objective value=-0.180601 total number of iterations=20, (max: 50) total number of function/gradient evaluations=88, (max: 4000) total number of Hessian evaluations=20 Solution converged: estimated f(x)-f(X*) <= fatol