optimize
constrained 22/618 dofs
optimum value 0.00e+00
optimize
solve
solving 72 dof system to machine precision using arnoldi solver
residual decreased by 15.9 orders using 0 krylov vectors
residual decreased by 0.0 orders using 1 krylov vectors
solver returned with residual 9e-18
constrained 94/618 dofs
optimum value 1.32e-11
solve
solving 524 dof system to machine precision using arnoldi solver
residual decreased by 14.9 orders using 0 krylov vectors
residual decreased by 0.1 orders using 1 krylov vectors
solver returned with residual 6e-16
stressxx.png
errors: L2=2.75e-05, H1=1.82e-03