arguments

nelems=12

degree=2

reynolds=1000

start 2023-02-09 22:46:08

NutilsDeprecationWarning: function.stack is deprecated; use numpy.stack instead In /usr/local/lib/python3.9/dist-packages/nutils/function.py:1226

stokes

solve

solving 482 dof system to machine precision using arnoldi solver

constructing direct preconditioner

peak memory use 1,372k

residual decreased by 7.2 orders using 0 krylov vectors

residual decreased by 5.8 orders using 1 krylov vectors

residual decreased by 2.3 orders using 2 krylov vectors

residual decreased by 0.0 orders using 3 krylov vectors

solver returned with residual 1e-17

velocity divergence: 1.15e-15

optimize

solve

solving 624 dof system to machine precision using arnoldi solver

constructing symmetric direct preconditioner

peak memory use 621k

residual decreased by 14.8 orders using 0 krylov vectors

residual decreased by 0.3 orders using 1 krylov vectors

solver returned with residual 3e-16

optimum value -4.16e-17

flow.png

navierstokes

newton

iter 1 (0%)

solve

solving 482 dof system to tolerance 3e-05 using arnoldi solver

constructing direct preconditioner

peak memory use 1,418k

residual decreased by 14.1 orders using 0 krylov vectors

solver returned with residual 2e-16

estimated residual minimum at 44% of update vector

estimated residual minimum at 94% of update vector

update accepted at relaxation 0.43908

iter 2 (2%)

solve

solving 482 dof system to tolerance 2e-05 using arnoldi solver

constructing direct preconditioner

peak memory use 1,394k

residual decreased by 13.4 orders using 0 krylov vectors

solver returned with residual 1e-15

estimated residual minimum at 63% of update vector

estimated residual minimum at 103% of update vector

update accepted at relaxation 0.26181

iter 3 (2%)

solve

solving 482 dof system to tolerance 2e-05 using arnoldi solver

constructing direct preconditioner

peak memory use 1,396k

residual decreased by 5.7 orders using 0 krylov vectors

solver returned with residual 4e-08

estimated residual minimum at 166% of update vector

update accepted at relaxation 0.2706

iter 4 (4%)

solve

solving 482 dof system to tolerance 2e-05 using arnoldi solver

constructing direct preconditioner

peak memory use 1,415k

residual decreased by 5.4 orders using 0 krylov vectors

solver returned with residual 6e-08

estimated residual minimum at 132% of update vector

update accepted at relaxation 0.44991

iter 5 (6%)

solve

solving 482 dof system to tolerance 1e-05 using arnoldi solver

constructing direct preconditioner

peak memory use 1,405k

residual decreased by 14.1 orders using 0 krylov vectors

solver returned with residual 8e-17

estimated residual minimum at 87% of update vector

update accepted at relaxation 0.59299

iter 6 (8%)

solve

solving 482 dof system to tolerance 7e-06 using arnoldi solver

constructing direct preconditioner

peak memory use 1,421k

residual decreased by 7.4 orders using 0 krylov vectors

solver returned with residual 3e-10

estimated residual minimum at 172% of update vector

update accepted at relaxation 0.51535

iter 7 (11%)

solve

solving 482 dof system to tolerance 4e-06 using arnoldi solver

constructing direct preconditioner

peak memory use 1,430k

residual decreased by 8.1 orders using 0 krylov vectors

solver returned with residual 3e-11

estimated residual minimum at 117% of update vector

update accepted at relaxation 0.88529

iter 8 (21%)

solve

solving 482 dof system to tolerance 6e-07 using arnoldi solver

constructing direct preconditioner

peak memory use 1,436k

residual decreased by 8.0 orders using 0 krylov vectors

solver returned with residual 5e-12

estimated residual minimum at 100% of update vector

update accepted at relaxation 1

iter 9 (50%)

solve

solving 482 dof system to tolerance 2e-09 using arnoldi solver

constructing direct preconditioner

peak memory use 1,436k

residual decreased by 7.8 orders using 0 krylov vectors

solver returned with residual 3e-14

estimated residual minimum at 100% of update vector

update accepted at relaxation 1

iter 10 (94%)

solve

solving 482 dof system to tolerance 3e-13 using arnoldi solver

constructing direct preconditioner

peak memory use 1,436k

residual decreased by 9.8 orders using 0 krylov vectors

solver returned with residual 5e-20

estimated residual minimum at 100% of update vector

update accepted at relaxation 1

converged in 10 iterations to residual 1.5e-17

velocity divergence: 9.68e-16

optimize

solve

solving 624 dof system to machine precision using arnoldi solver

constructing symmetric direct preconditioner

peak memory use 621k

residual decreased by 14.6 orders using 0 krylov vectors

residual decreased by 0.4 orders using 1 krylov vectors

solver returned with residual 4e-16

optimum value -6.94e-17

flow.png

finish 2023-02-09 22:46:21, elapsed 0:13