lp:~amcg-stokes/fluidity/block-velocity-nns

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3866. By Rhodri Davies on 2014-05-29

Merge in trunk.

3865. By Stephan Kramer on 2012-10-29

Merge in updates from fluidity-block-velocity.

3864. By Stephan Kramer on 2012-10-25

Combining the fluidity-block-velocity branch with the fluidity-nearnullspace branch.

3863. By Stephan Kramer on 2012-10-25

Temporarily switching off baij format as it doesn't actually seem to work with gamg. Still keeping the new velocity ordering though.

3862. By Stephan Kramer on 2012-10-25

In full_projection we also need to tell the petsc_numbering about blocking the velocity components.

3861. By Stephan Kramer on 2012-10-24

Fix for resolved conflict: MAT_IGNORE_ZERO_ENTRIES should not be set for baij matrices.

Currently failing tests, after a "sed -i 's/eisenstat/sor/' tests/*/*.flml":
Stokes_mms_cg_p2p1_test_cty_cv.xml: FFFPPPFFFFFFFFFPPFFFFFFFF
Stokes_mms_cg_p1bp1.xml: F
Stokes_Subduction_VK_Case_1b.xml: PFFFFFFFFF
channel_wind_drag_rotated.xml: F
turbine_dirichlet_3d_moving_mesh.xml: F
turbine_dirichlet_3d.xml: F

Passes: 1357
Failures: 33
Warnings: 0

This is all to do with "mg" no working on baij velocity solves (last 4 tests) and sor for some reason being much slower than eisenstat so I had to kill it (first 2).

3860. By Stephan Kramer on 2012-10-24

Merging in from trunk.

3859. By Stephan Kramer on 2012-10-24

Reverting the last two commits:
1) changes in mg to deal with block matrices
2) an unfinished attempt at rescaling a la May
These may be useful at some point in the future, so we can restore them from history.

3858. By Stephan Kramer on 2012-01-04

Some work on scaling of the system. Does it work? No idea...

3857. By Stephan Kramer on 2011-12-14

The block based aggregation now sort of works (for one problem). The strong-connection criterion needs fixing though.