Yes you can have "overlapping fields" with FIELDSPLIT but I don't think you can use FIELDSPLIT for your case. You seem to have a geometric decomposition into regions. ASM and GASM are intended for such decompositions. Fieldsplit is for multiple fields that each live across the entire domain.
Barry > On Aug 15, 2018, at 7:42 PM, Griffith, Boyce Eugene <[email protected]> > wrote: > > Is it permissible to have overlapping fields in FIELDSPLIT? We are > specifically thinking about how to handle DOFs living on the interface > between two regions. > > Thanks! > > — Boyce
