On Mon, 14 Jun 2010 15:42:18 -0500, Barry Smith <bsmith at mcs.anl.gov> wrote: > > PETSc users, > > Lois has gotten some funding to add support for variational > inequalities to PETSc's SNES nonlinear solvers (basically > nonlinear equations with bounds on the variables).
Great news! This is useful to SISIPHUS as well, in the various (frictional, large deformation, self) contact problems and basal hydrology models. Jed
