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  • Karlsen, Kenneth H.; Karper, Trygve K. (Research report / Forskningsrapport, 2009)
    We propose and analyze a finite element method for a semi-stationary Stokes system modeling compressible fluid flow subject to a Navier-slip boundary condition. The velocity (momentum) equation is approximated by a mixed ...
  • Karlsen, Kenneth H.; Karper, Trygve K. (Research report / Forskningsrapport, 2009)
    We propose a nonconforming finite element method for isentropic viscous gas flow in situations where convective effects may be neglected. We approximate the continuity equation by a piecewise constant discontinuous Galerkin ...