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Locking Problems in the Partial Interaction Analysis of Multi-layered Composite Beams by Gianluca Ranzi is a Engineering article available to read on EtoBox.

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This paper presents a novel analytical formulation for the analysis of generic multi-layered composite beams formed by n layers and interconnected by flexible interface connections between adjacent layers. Based on the principle of virtual work the weak formulation of the multi-layered partial interaction problem is presented, and its strong form is derived by integration by parts. In particular, a generic approach to derive two types of n-layered displacement-based elements has been proposed, i.e. with (2n + 4) and (3n + 4) degrees of freedom, respectively. These elements have been used to discuss and to algebraically demonstrate the occurrence of curvature locking in n-layered finite elements. Numerical examples are also presented for the particular cases of simply supported, propped cantilever and fixed-ended beams subjected to a uniformly distributed load to further investigate the appearance of the locking phenomenon in the case of three structural systems. For this purpose, a 10dof finite element and a 13dof one have been considered. The proposed work has demonstrated that, while the (3n + 4)dof elements well describe the partial interaction behaviour, the (2n + 4)dof ones su

Who reads Locking Problems in the Partial Interaction Analysis of Multi-layered Composite Beams?

Author

Gianluca Ranzi

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0141-0296)

Published

2008

Language

EN

Field

Engineering (Physical Sciences)