Bubble Stabilization Finite Element Methods for Advective-Diffusive Models
Duan Huoyuan · Yingyong shuxue yu jisuan shuxue xuebao · 1998
This paper is devoted to the development of stabilized finite element methods by empolying local bubble functions for adveetive-diffusive models which has the form σu+a·(?)u-k△u =f. We show this methodology is stable independent of σ or Peclet-number and its globle optimal convergence order,from the problem with a=0 or σ=0.