Automatic weak imposition of free slip boundary conditions via Nitsche's method: application to nonlinear problems in geodynamics. - Nathan Sime; Cian R. Wilson (CoRR, 2020)

A divergence free C0-RIPG stream function formulation of the incompressible Stokes system with variable viscosity. - Nathan Sime; Paul Houston; Cian R. Wilson; Peter E. van Keken (CoRR, 2023)