Variationally correct assumed strain field for the simple curved beam element

Prathap, Gangan and Shashirekha, BR (1993) Variationally correct assumed strain field for the simple curved beam element. Computers and Structures, 47 (6). pp. 1071-1073.

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Abstract

The classical curved beam element (the cubic-linear element) has been discredited for a long time because of poor performance. In a previous paper, the first author showed that the poor performance could be attributed to the inconsistency in the membrane strain field interpolations and that this could be improved by designing a new membrane strain field which met the consistency requirements. This paper shows that this formulation can be improved by re-constituting the 'assumed' strain field in a variationally correct manner.

Item Type: Journal Article
Uncontrolled Keywords: Beams and girders; Strain; Curved beam element; Membrane strain field; One point integration; Variational techniques;
Subjects: AERONAUTICS > Aircraft Design, Testing & Performance
Division/Department: CSIR Centre for Mathematical Modelling and Computer Simulation, Other
Depositing User: Mr Vijaianand SK
Date Deposited: 10 Mar 2005
Last Modified: 24 May 2010 09:38
URI: http://nal-ir.nal.res.in/id/eprint/356

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