Optimal uniform convergence analysis for a singularly perturbed quasilinear reaction-diffusion problem

Verfasser / Beitragende:
[J. Li]
Ort, Verlag, Jahr:
2004
Enthalten in:
Journal of Numerical Mathematics, 12/1(2004-04-01), 39-54
Format:
Artikel (online)
ID: 378885588
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024 7 0 |a 10.1515/1569395041172944  |2 doi 
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100 1 |a Li  |D J.  |u Department of Mathematical Sciences, University of Nevada Las Vegas, 4505 Maryland Parkway,Las Vegas, Nevada 89154-4020, USA 
245 1 0 |a Optimal uniform convergence analysis for a singularly perturbed quasilinear reaction-diffusion problem  |h [Elektronische Daten]  |c [J. Li] 
520 3 |a The standard conforming finite element methods on one type of highly nonuniform rectangular meshes are considered for solving the quasilinear singular perturbation problem -ε2(u xx + u yy ) + ƒ(x,y;u) = 0. By using a special interpolation operator and the integral identity technique, optimal uniform convergence rates of O(N -(k+1)) in the L2-norm are obtained for all k-th (k ≥ 1) order conforming tensor-product finite elements, where N is the number of intervals in both x- and y-directions. Hence Apel and Lube's suboptimal results are improved to optimal order and generalized to the quasilinear case. 
540 |a Copyright 2004, Walter de Gruyter 
690 7 |a finite element method  |2 nationallicence 
690 7 |a singular perturbation  |2 nationallicence 
690 7 |a uniform convergence analysis  |2 nationallicence 
773 0 |t Journal of Numerical Mathematics  |d Walter de Gruyter  |g 12/1(2004-04-01), 39-54  |x 1570-2820  |q 12:1<39  |1 2004  |2 12  |o jnma 
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