examples/platewithhole.py

nelems=9 Number of elements along edge.
etype=square Type of elements (square/triangle/mixed).
btype=std Type of basis function (std/spline), with availability depending on the selected element type.
degree=2 Polynomial degree.
traction=.1 Far field traction (relative to Young's modulus).
maxrefine=2 Number or refinement levels used for the finite cell method.
radius=.5 Cut-out radius.
poisson=.3 Poisson's ratio, nonnegative and strictly smaller than 1/2.

optimize

topology 1/1

integrating 1+1+1 distinct blocks

constrained 22/618 dofs

optimum value 0.00e+00

optimize

topology 1/1

integrating 1+2+1 distinct blocks

solve

solving 72 dof system to machine precision using direct solver

refinement iteration 1

residual increased to 8e-18 (discarding)

solver returned with residual 8e-18

constrained 94/618 dofs

optimum value 1.32e-11

topology 1/1

integrating 1+1 distinct blocks

solve

solving 524 dof system to machine precision using direct solver

refinement iteration 1

residual decreased to 4e-16

refinement iteration 2

residual decreased to 4e-16

refinement iteration 3

residual increased to 4e-16 (discarding)

solver returned with residual 4e-16

topology 1/1

integrating 1 distinct blocks

errors: L2=1.93e-05, H1=1.15e-03