PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON NUMERICAL ANALYSIS AND APPLIED MATHEMATICS 2015 (ICNAAM-2015)
|
2016年
/
1738卷
关键词:
Variational principles;
Reaction-convection-diffusion equation;
Time discretization;
EQUATION;
D O I:
10.1063/1.4952259
中图分类号:
O29 [应用数学];
学科分类号:
070104 ;
摘要:
In this note we provide an application of the weighted energy-dissipation (WED) variational principle to a class of dissipative reaction-convection-diffusion problems. In particular, we study the convergence of the time-discrete approximate minimizers to certain weighted energy functionals to weak solutions of the time-continuous problem with non-symmetry in both elliptic as well as parabolic part. Finally, we show that the causal limit of the time-discrete problem corresponds to the classical backward Euler scheme.