<div class="gmail_quote">On Mon, Nov 21, 2011 at 10:12, Thomas Witkowski <span dir="ltr"><<a href="mailto:Thomas.Witkowski@tu-dresden.de">Thomas.Witkowski@tu-dresden.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div id=":6fr">Do you know about someone who work on a FETI-DP implementation with more than two levels?<br></div></blockquote></div><br><div>There are a few implementations based on BDDC (algorithmically equivalent) including a prototype by Xuemin Tu (based on the terminology from Olof Widlund and Axel Klawonn) and another from Jakub Sistek and colleagues (based on Jan Mandel's terminology), see this thread:</div>
<div><br></div><div><a href="http://lists.mcs.anl.gov/pipermail/petsc-users/2011-October/010354.html">http://lists.mcs.anl.gov/pipermail/petsc-users/2011-October/010354.html</a></div><div><a href="http://lists.mcs.anl.gov/pipermail/petsc-dev/2011-October/005991.html">http://lists.mcs.anl.gov/pipermail/petsc-dev/2011-October/005991.html</a> (continuation moved to petsc-dev)</div>
<div><br></div><div><br></div><div>Last time I talked to Clark Dohrmann, he was also doing some multilevel variants of BDDC and overlapping Schwarz (with closely related coarse spaces). He may have software for this, but I haven't seen it.</div>