• Aucun résultat trouvé

Influence of the position and number of circular notches on the buckling of metal pipes

N/A
N/A
Protected

Academic year: 2021

Partager "Influence of the position and number of circular notches on the buckling of metal pipes"

Copied!
1
0
0

Texte intégral

(1)

FRACT'2 2013

Influence of the position and number of circular notches on the buckling of metal pipes

L. Belgacem, D, Ouinas

Abstract : Thin cylindrical shells are very sensitive to buckling when loaded mechanically and / or thermally. This complex phenomenon has become a major concern. In the present work, the aim is to predict the buckling behavior of imperfect metal pipelines, subjected to compression resulted in an imposed displacement. Following the results obtained by numerical simulation through the Abaqus code, we find that more the distance between the circular notches is greater, more the resistance to buckling is important, but from a distance of 30mm, the position of the notches whatsoever longitudinal or radial has no significant effect.

While in approaching both ends of the pipe, the buckling becomes less important.

Keywords : Pipe, Buckling, circular notches, finite element analysis.

Centre de Recherche en Technologies Industrielles - CRTI - www.crti.dz

Powered by TCPDF (www.tcpdf.org)

Références

Documents relatifs

The achieved load carrying capacity of the compressed column in FEM corresponds closely to the maximum load recorded in the experiment (values taken from three attempts)..

The nonlinear post-buckling of core-shell cylindrical structures subjected to thermal loading will be investigated numerically by considering shell elements for the surface layer

Following the results obtained by numerical simulation through the Abaqus code, we find that more the distance between the circular notches is greater, more the

To examine the effect of the orientation of the folds of our laminate (Carbon-Epoxy) on the factor of buckling criticizes λcr, we took the data of the sequences of

Motile cilia, laterality and primary ciliary dyskinesia The plenary speaker Martina Brueckner (Yale University, USA) opened the scientific part of the meeting with an introduction

Here we present the academic literature of Circular Economy (CE), to understand to what extent this concept can be useful to achieve a sustainable transition. Then, we

Throughout this paper, we shall use the following notations: N denotes the set of the positive integers, π( x ) denotes the number of the prime numbers not exceeding x, and p i

Figure 5: Cylindrical panel : (a) Fold line and equilibrium branches for various imperfection amplitudes with associated limit points (b) Critical buckling load reduction with