traction=0.1 far field traction (relative to Young's modulus)
radius=0.5 hole radius
poisson=0.3 poisson's ratio
integrate
integrating 1 distinct blocks
hole radius exact up to L2 error 9.36e-17
project
projection type: lsqr
integrate
integrating 1+1+1+1 distinct blocks
solve
solving 60x60 system using direct solver
solver returned with residual 5e-17
constrained 60/60 dofs, error 0.00e+00/area
optimize
integrate
integrating 1+1 distinct blocks
integrate
integrating 1+2 distinct blocks
solve
solving 30x30 system using direct solver
solver returned with residual 2e-17
integrate
integrating 1 distinct blocks
integrate
integrating 1 distinct blocks
constrained 30/120 dofs, optimum value 9.71e-08
integrate
integrating 1+1 distinct blocks
solve
solving 90x90 system using direct solver
solver returned with residual 5e-16
eval
elem 27 (84%)
RuntimeWarning: singular matrix
In /home/docs/checkouts/readthedocs.org/user_builds/nutils/checkouts/v5.2/nutils/warnings.py:30
RuntimeWarning: invalid value encountered in less
In /home/docs/checkouts/readthedocs.org/user_builds/nutils/envs/v5.2/lib/python3.7/site-packages/matplotlib/colors.py:527
