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Computational Science, Engineering & Technology Series
ISSN 1759-3158
ISSN 1759-3158
CSETS: 1
INNOVATIVE COMPUTATIONAL METHODS FOR STRUCTURAL MECHANICS
INNOVATIVE COMPUTATIONAL METHODS FOR STRUCTURAL MECHANICS
Edited by: M. Papadrakakis, B.H.V. Topping
Chapter 8
Mesh Optimality Criteria and Remeshing Strategies for Singular Point Problems
O.J.B. Almeida Pereira+ and G. Bugeda*
+Departamento de Engenharia Civil, Instituto Superior Tecnico, Lisbon, Portugal
*International Centre for Numerical Methods in Engineering, Universitat Politecnica de Catalunya, Barcelona, Spain
Full Bibliographic Reference for this chapter
O.J.B. Almeida Pereira, G. Bugeda, "Mesh Optimality Criteria and Remeshing Strategies for Singular Point Problems", in M. Papadrakakis, B.H.V. Topping, (Editors), "Innovative Computational Methods for Structural Mechanics", Saxe-Coburg Publications, Stirlingshire, UK, Chapter 8, pp 149-162, 1999. doi:10.4203/csets.1.8
Abstract
A revision of the existing h-adaptive strategies based upon the
equidistribution of the energy of the error is made. Two h-adaptive strategies for
singular problems are proposed, one based upon the equidistribution of the error and
the other upon a non-uniform distribution of the error. The behaviour of the
proposed strategies and that of the one used by Zienkiewicz and Zhu are studied for
singular problems in plane elasticity, using three-noded displacement elements.
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