Publicação: Cubic approximation for the transverse displacement in BEM for elastic plates analysis
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Elsevier B.V.
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This work presents an application for the plate analysis formulation by BEM where 3 boundary equations are used, written for the transverse displacement w and the normal and tangential derivatives partial derivativew/partial derivativen and partial derivativew/partial derivatives. In this extension, the transverse displacement w is approximated by a cubic polynomial and, as a consequence, partial derivativew/partial derivatives has a quadratic approximation. This alternative BEM formulation improves the analysis of thin plates, when compared to the formulation using the linear approximation for the displacements, mainly in the obtaining of the bending moments at the boundary of the plate. The implementation of this proposal to the computational codes is simple. (C) 2004 Published by Elsevier Ltd.
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boundary element methods plate bending, elastostatic analysis, cubic approximation
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Inglês
Como citar
Engineering Analysis With Boundary Elements. Oxford: Elsevier B.V., v. 28, n. 7, p. 869-880, 2004.
