Refining the submesh strategy in the two‐level finite element method: application to the advection–diffusion equation

• DOI: 10.1002/fld.219
• Publication Date: 2002-10-30T16:58:49Z
• Authors: Leopoldo P. Franca; Feng‐Nan Hwang
• Keywords: Refining (metallurgy); Convection–diffusion equation; Time stepping

Abstract We introduce a new submesh strategy for the two‐level finite element method. The numerical results show that is able to better capture boundary layer which caused by choice of bubble functions. effect an improved approximation residual free bubbles studied advective–diffusive equation. Copyright © 2002 John Wiley & Sons, Ltd.