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Titre du document / Document title

Plastic axisymmetric collapse of thin-walled circular cylinders and cones under uniform external pressure

Auteur(s) / Author(s)

ROSS C. T. F. (1) ; JOHNS T. (1) ;

Affiliation(s) du ou des auteurs / Author(s) Affiliation(s)

(1) Department of Mechanical and Manufacturing Engineering, University of Portsmouth, Portsmouth, ROYAUME-UNI

Résumé / Abstract

This paper reports on two theoretical investigations and an experimental investigation into the plastic axisymmetric buckling of two thin-walled conical shells and several thin-walled circular cylindrical shells, under uniform external pressure. One of the theoretical investigations was a non-linear finite element solution for plastic axisymmetric buckling, which gave good results. The other theoretical solution was for the plastic non-symmetric bifurcation buckling of thin-walled circular cylinders. This second solution was a very simple one and, although it was based on plastic lobar buckling, it gave very good predictions for plastic axisymmetric collapse. This latter observation prompted the conclusion that there may be a link between plastic lobar buckling and plastic axisymmetric buckling.

Revue / Journal Title

Thin-walled structures    ISSN  0263-8231   CODEN TWASDE 

Source / Source

Congrès
Bi-Centenary Conference on Thin-Walled Structures, Glasgow , ROYAUME-UNI (02/12/1996)
1998, vol. 30, no 1-4 (253 p.)  (12 ref.), [Notes: Selected conference papers], pp. 35-54

Langue / Language

Anglais

Editeur / Publisher

Elsevier, Kidlington, ROYAUME-UNI  (1983) (Revue)

Mots-clés anglais / English Keywords

Pressure vessel

;

External pressure

;

Inelastic stability

;

Buckling

;

Collapse

;

Plastic flow

;

Plastic hinge

;

Revolution shell

;

Thin shell

;

Conical shell

;

Cylindrical shell

;

Thin wall

;

Circular cylinder

;

Experimental study

;

Modeling

;

Finite element method

;

Mots-clés français / French Keywords

Récipient sous pression

;

Pression externe

;

Stabilité inélastique

;

Flambage

;

Effondrement

;

Ecoulement plastique

;

Articulation plastique

;

Coque révolution

;

Coque mince

;

Coque conique

;

Coque cylindrique

;

Paroi mince

;

Cylindre circulaire

;

Etude expérimentale

;

Modélisation

;

Méthode élément fini

;

Mots-clés espagnols / Spanish Keywords

Recipiente bajo presión

;

Presión externa

;

Estabilidad inelástica

;

Pandeo

;

Desmoronamiento

;

Flujo plástico

;

Articulación plástica

;

Cascarón revolución

;

Cascarón delgado

;

Cascarón cónico

;

Cascarón cilíndrico

;

Pared delgada

;

Cilindro circular

;

Estudio experimental

;

Modelización

;

Método elemento finito

;

Localisation / Location

INIST-CNRS, Cote INIST : 20288, 35400007271498.0030

Nº notice refdoc (ud4) : 2417209



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