Expanded mixed finite element methods for linear second-order elliptic problems, I
Expanded mixed finite element methods for quasilinear second order elliptic problems, II
Analysis of mixed methods using conforming and nonconforming finite element methods
The analysis of intergrid transfer operators and multigrid methods for nonconforming finite elements.
Continuous-time finite element analysis of multiphase flow in groundwater hydrology
A nonlinear differential system for describing an air-water system in groundwater hydrology is given. The system is written in a fractional flow formulation, i.e., in terms of a saturation and a global pressure. A continuous-time version of the finite element method is developed and analyzed for the approximation of the saturation and pressure. The saturation equation is treated by a Galerkin finite element method, while the pressure equation is treated by a mixed finite element method. The analysis...
A stabilized mixed finite element method for single-phase compressible flow.
The version of Eulerian-Lagrangian mixed discontinuous finite element methods for advection-diffusion problems.
Degenerate two-phase incompressible flow problems III: Perturbation analysis and numerical experiments.
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