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A STUDY OF MESH OPTIMALITY CRITERIA IN ADAPTIVE FINITE ELEMENT ANALYSIS

E. OÑATE (International Centre for Numerical Methods in Engineering, ETS Ingenieros de Caminos, Canales y Puertos, Universidad Politécnica de Cataluña, 08034 Barcelona, Spain)
G. BUGEDA (International Centre for Numerical Methods in Engineering, ETS Ingenieros de Caminos, Canales y Puertos, Universidad Politécnica de Cataluña, 08034 Barcelona, Spain)

Engineering Computations

ISSN: 0264-4401

Article publication date: 1 April 1993

235

Abstract

The concepts of solution error and optimal mesh in adaptive finite element analysis are revisited. It is shown that the correct evaluation of the convergence rate of the error norms involved in the error measure and the optimal mesh criteria chosen are essential to avoid oscillations in the refinement process. Two mesh optimality criteria based on: (a) the equal distribution of global error, and (b) the specific error over the elements are studied and compared in detail through some examples of application.

Keywords

Citation

OÑATE, E. and BUGEDA, G. (1993), "A STUDY OF MESH OPTIMALITY CRITERIA IN ADAPTIVE FINITE ELEMENT ANALYSIS", Engineering Computations, Vol. 10 No. 4, pp. 307-321. https://doi.org/10.1108/eb023910

Publisher

:

MCB UP Ltd

Copyright © 1993, MCB UP Limited

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