Umut Tabak <[email protected]> writes: > Thx for the swift reply, well, you mean directly or iteratively? I > looked a bit more but I am not sure if that is possible iteratively or > not, I guess it is not since the character of the blocks on the diagonal > are not well suited to iterative solution techniques. Maybe I should > look into field split documentation once more.
The first step to using fieldsplit is developing a good solver for (one of) the diagonal blocks. If you don't have that yet, consult the literature and run experiments. Good luck.
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