Title
Data Oscillation and Convergence of Adaptive FEM
Abstract
Data oscillation is intrinsic information missed by the averaging process associated with finite element methods (FEM) regardless of quadrature. Ensuring a reduction rate of data oscillation, together with an error reduction based on a posteriori error estimators, we construct a simple and efficient adaptive FEM for elliptic partial differential equations (PDEs) with linear rate of convergence without any preliminary mesh adaptation nor explicit knowledge of constants. Any prescribed error tolerance is thus achieved in a finite number of steps. A number of numerical experiments in two and three dimensions yield quasi-optimal meshes along with a competitive performance.
Year
DOI
Venue
2000
10.1137/S0036142999360044
SIAM Journal on Numerical Analysis
Keywords
Field
DocType
a posteriori error estimators,data oscillation,adaptive mesh refinement,convergence,performance,quasi-optimal meshes
Convergence (routing),Differential equation,Mathematical optimization,Mathematical analysis,Finite element method,Adaptive mesh refinement,Rate of convergence,Elliptic partial differential equation,Partial differential equation,Mathematics,Estimator
Journal
Volume
Issue
ISSN
38
2
0036-1429
Citations 
PageRank 
References 
148
28.46
3
Authors
3
Search Limit
100148
Name
Order
Citations
PageRank
Pedro Morin133147.99
Ricardo H. Nochetto2907110.08
Kunibert G. Siebert347151.43