1 Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 2 2 Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 2 3 Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 3 4Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 3 5errors on 33 x 33 grid: av |u-uexact| = 8.182e-04, |u-uexact|_inf = 5.747e-03 6