Barlow points and gauss points and the aliasing and best fit paradigms

Prathap, Gangan (1996) Barlow points and gauss points and the aliasing and best fit paradigms. Computers and Structures, 58 (2). pp. 321-325.

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Abstract

It is well known that finite elements show points where strains or stresses are of higher accuracy than elsewhere. Two competing models, the aliasing and the best approximation or best fit approaches are now available which attempt to explain how this emerges. Here, we compare the two and critically evaluate them.

Item Type: Journal Article
Uncontrolled Keywords: Approximation theory; Heuristic methods; Least squares approximations; Mathematical models; Strain; Stresses; Variational techniques; Aliasing; Barlow points; Best fit paradigms; Gauss points; Metaphysical assumptions; Finite element method;
Subjects: AERONAUTICS > Aircraft Design, Testing & Performance
Division/Department: Structures Division
Depositing User: Mr Vijaianand SK
Date Deposited: 07 Jan 2005
Last Modified: 24 May 2010 09:38
URI: http://nal-ir.nal.res.in/id/eprint/292

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