Computer Methods in Applied Mechanics and Engineering - Special edition on the 20th Anniversary
Stabilization of Low-order Mixed Finite Elements for the Stokes Equations
SIAM Journal on Numerical Analysis
A stabilized finite element method based on two local Gauss integrations for the Stokes equations
Journal of Computational and Applied Mathematics
Stabilization arising from PGEM: A review and further developments
Applied Numerical Mathematics
Journal of Computational and Applied Mathematics
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In this work, a new fully discrete stabilized finite element method is studied for the two-dimensional transient Stokes equations. This method is to use the difference between a consistent mass matrix and underintegrated mass matrix as the complement for the pressure. The spatial discretization is based on the P"1-P"1 triangular element for the approximation of the velocity and pressure, the time discretization is based on the Euler semi-implicit scheme. Some error estimates for the numerical solutions of fully discrete stabilized finite element method are derived. Finally, we provide some numerical experiments, compared with other methods, we can see that this novel stabilized method has better stability and accuracy results for the unsteady Stokes problem.