examples/laplace.py

nelems=10 Number of elements along edge.
etype=square Type of elements (square/triangle/mixed).
btype=std Type of basis function (std/spline), availability depending on the selected element type.
degree=1 Polynomial degree.

optimize

topology 1/2

integrating 1+1+1 distinct blocks

topology 2/2

integrating 1+1+1 distinct blocks

solve

solving 21 dof system to machine precision using direct solver

refinement iteration 1

residual increased to 1e-17 (discarding)

solver returned with residual 1e-17

constrained 21/121 dofs

optimum value 4.32e-10

topology 1/2

integrating 1+1 distinct blocks

topology 2/2

integrating 1 distinct blocks

solve

solving 100 dof system to machine precision using direct solver

refinement iteration 1

residual decreased to 2e-15

refinement iteration 2

residual decreased to 1e-15

refinement iteration 3

residual increased to 1e-15 (discarding)

solver returned with residual 1e-15

topology 1/1

integrating 1 distinct blocks

L2 error: 2.56e-04