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(parent: 353c27c) | patch
step-9: Modify the refinement cycle and linear solver. 6900/head
authorDavid Wells <drwells@email.unc.edu>
Sun, 15 Jul 2018 16:37:23 +0000 (12:37 -0400)
committerDavid Wells <drwells@email.unc.edu>
Fri, 3 Aug 2018 02:39:05 +0000 (22:39 -0400)
commitaaca740e971b616b50a89683de1b4b7438f81d98
treee597fae918faf6fa4422e7f2a2a956a4722be37dtree | snapshot
parent353c27c4c0d876f87e94adbd3055e9c41a7d3817commit | diff
step-9: Modify the refinement cycle and linear solver.

1. The different refinement strategy seems to work better with the higher degree
   finite element.
2. Bicgstab has trouble converging (and does not converge in the max norm) for
   finer grids. GMRES is more consistent for this problem.
3. I added some extra console output to show the residual (which does not always
   converge with Bicgstab) and the number of DoFs.
examples/step-9/doc/intro.dox diff | blob | history
examples/step-9/doc/results.dox diff | blob | history
examples/step-9/step-9.cc diff | blob | history
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