Implementation of an hybrid-mixed stress model based on the use of wavelets

Authors:
L. M. Santos Castro;A. R. Barbosa
Affiliations:
Department of Civil Engineering and Architecture, ICIST, Instituto Superior Técnico, Av. Rovisco Pais, 1049-001 Lisbon, Portugal;Department of Civil Engineering, FCT, New University of Lisbon, Monte da Caparica, Portugal
Venue:
Computers and Structures
Year:
2006

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Abstract

This paper illustrates the use of wavelets defined on the interval as approximation functions in hybrid-mixed stress finite element models applied to the solution of linear elastic plate stretching and plate bending problems. Special attention is given to the algorithms and techniques involved in the generation and manipulation of such functions. A set of numerical examples is presented to illustrate the use of the hybrid-mixed model.