On the stability of thin-walled, corrugated, circular cylindrical shells under external pressure

Summary Thin-walled, corrugated, circular cylindrical shells under external pressure have repeatedly buckled at much lower values than has been predicted from simple orthotropic shell theory, where a flexural mode of buckling is assumed, in-plane to the cross-section of the tube. In the present pape...

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Bibliographic Details
Published in:Acta mechanica 2008, Vol.195 (1-4), p.117-128
Main Author: Bargmann, Heinz W.
Format: Article
Language:English
Subjects:
Buckling
Classical and Continuum Physics
Control
Dynamical Systems
Engineering
Engineering Thermodynamics
Exact sciences and technology
Fatigue failure
Fundamental areas of phenomenology (including applications)
Heat and Mass Transfer
Materials science
Physics
Pressure
Solid Mechanics
Structural and continuum mechanics
Theoretical and Applied Mechanics
Theory
Vibration
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Summary:Summary Thin-walled, corrugated, circular cylindrical shells under external pressure have repeatedly buckled at much lower values than has been predicted from simple orthotropic shell theory, where a flexural mode of buckling is assumed, in-plane to the cross-section of the tube. In the present paper it is shown that there exists always a combined, torsional–flexural, out-of-plane mode of buckling, frequently corresponding to an extremely low critical pressure. The need to design these tubes also with respect to torsional stiffness is emphasized, and a formula for the buckling pressure is proposed.
ISSN:0001-5970
1619-6937
DOI:10.1007/s00707-007-0553-6