J4 ›› 2011, Vol. 46 ›› Issue (12): 33-38.

• Articles • Previous Articles     Next Articles

The lumped mass nonconforming finite element method of the Crank-Nicolson scheme for nonstationary Stokes problem

ZHANG Fei-ran   

  1. Department of Mathematics, Shangqiu Normal University, Shangqiu 476000, Henan,  China
  • Received:2010-12-08 Online:2011-12-20 Published:2011-12-24

Abstract:

The discrete approximation scheme of the lumped mass nonconforming finite element method are discussed for nonstationary Stokes problem (Crank-Nicolson fulldiscrete scheme).Without using Stokes projection,the optimal error estimations of the velocity and pressure are derived based on interpolation technique.

Key words: lumped mass; Stokes problem; Crank-Nicolson scheme

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