Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
On the plastic buckling paradox for cylindrical shells
Previous investigations have raised some doubts about the accuracy of flow theory predictions for a few plate and shell plastic buckling problems. The present series of buckling experiments on machined, mild steel, cylindrical shell models under non-proportional biaxial loading (axial tension plus external pressure) was designed to provide additional data for the evaluation of the J2 plasticity theories. Numerical calculations were carried out with the BOSOR 5 shell buckling program, using the J2 deformation and flow theories, and these were conpared with the test results. Neither theory can be said to predict plastic buckling accurately. However, deformation theory predicted the bifurcation buckling loads reasonably well, whereas flow theory was often incorrect.
On the plastic buckling paradox for cylindrical shells
Previous investigations have raised some doubts about the accuracy of flow theory predictions for a few plate and shell plastic buckling problems. The present series of buckling experiments on machined, mild steel, cylindrical shell models under non-proportional biaxial loading (axial tension plus external pressure) was designed to provide additional data for the evaluation of the J2 plasticity theories. Numerical calculations were carried out with the BOSOR 5 shell buckling program, using the J2 deformation and flow theories, and these were conpared with the test results. Neither theory can be said to predict plastic buckling accurately. However, deformation theory predicted the bifurcation buckling loads reasonably well, whereas flow theory was often incorrect.
On the plastic buckling paradox for cylindrical shells
Über das Paradoxon des plastischen Ausbeulens von Zylinderschalen
Blachut, J. (Autor:in) / Galletly, G.D. (Autor:in) / James, S. (Autor:in)
1996
12 Seiten, 14 Bilder, 5 Tabellen, 20 Quellen
Aufsatz (Zeitschrift)
Englisch
Zylinderschale , plastisches Verformen , Ausbeulung , Dehnung , Vergleichsmessung , Modellversuch , niedriglegierter Stahl , Zug (Beanspruchung) , Außendruck , Bewertung , Software , Fließen (Feststoff) , mathematisches Modell , geometrische Form , Flansch (Verbindungselement) , Axialkraft , Verlagerung , Prüfstand , mechanische Eigenschaft , Fließgrenze , Spannungsdehnungsdiagramm , Materialbruch
Plastic Buckling of Cylindrical Shells
| British Library Conference Proceedings | 1994