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Error estimates for the finite-element solution of an elliptic singularly perturbed problem 总被引:3,自引:0,他引:3
e-mail:ang{at}am.uni-erlangen.de The paper deals with an upwind discretization of finite-volume-typefor singularly perturbed elliptic boundary value problems. Stability,inverse monotonicity and convergence are considered. The mainobjective is to pursue the dependence of the error estimateon the perturbation parameter. 相似文献
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An a posteriori estimation for the solution of elliptic boundary value problems by means of upwind FEM 总被引:2,自引:0,他引:2
The paper presents a theory for a posteriori error estimationof finite element solutions of two-dimensional convection-diffusionequations which are discretized by means of an upwind method.The main theorem gives an error estimation in terms of approximatelycomputable and localized quantities. 相似文献
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