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Strength and buckling problems of dished heads of pressure vessels ? Contemporary look

[+] Author and Article Information
Krzysztof Magnucki

Institute of Rail Vehicles TABOR Warszawska 181, 61-055 Poznan, Poland
krzysztof.magnucki@tabor.com.pl

Jerzy Lewinski

Institute of Rail Vehicles TABOR Warszawska 181, 61-055 Poznan, Poland
jerzy.lewinski@tabor.com.pl

Rafal Cichy

Institute of Rail Vehicles TABOR Warszawska 181, 61-055 Poznan, Poland
rafal.cichy@tabor.com.pl

1Corresponding author.

ASME doi:10.1115/1.4039844 History: Received October 25, 2017; Revised March 28, 2018

Abstract

The paper is devoted to dished heads of various meridian shapes. Geometry of the shells of revolution, the membrane state and the edge effect occurring in the shells are described. Exemplary analytical and numerical FEM studies of torispherical, ellipsoidal, Cassini-ovaloidal and untypical special dished heads are presented. The results of the above two methods are compared. Moreover, numerical research of elastic buckling of the above mentioned selected heads under external pressure is carried out. Literature related to each of the considered head types is quoted and discussed, with special attention paid to the works developed in the 21st century. In concluding remarks the stress concentration and buckling of these structures are commented, with consideration of the head meridian shapes.

Copyright (c) 2018 by ASME
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