Plastic loads for 90° thick-walled elbows under combined pressure and bending

This paper extends plastic load solutions proposed by the authors for 90° thin-walled elbows, to thick-walled elbows, based on three-dimensional finite element analyses using the large geometry change option. For loading, internal pressure, in-plane, and out-of-plane bending, as well as combined pre...

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Bibliographic Details
Published in:Journal of strain analysis for engineering design 2010-02, Vol.45 (2), p.115-127
Main Authors: Kim, Y-J, Je, J-H, Oh, C-S, Han, J-J, Budden, P J
Format: Article
Language:English
Subjects:
Bending
Elbows
Engineering design
Finite element analysis
Finite element method
Internal pressure
Load
Mathematical analysis
Mechanical engineering
Plastics
Strain analysis
Thin walled
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Summary:This paper extends plastic load solutions proposed by the authors for 90° thin-walled elbows, to thick-walled elbows, based on three-dimensional finite element analyses using the large geometry change option. For loading, internal pressure, in-plane, and out-of-plane bending, as well as combined pressure and bending, are considered. As no experimental data are available for thick-walled elbows, the proposed solutions are indirectly validated by comparing thin-walled solutions with exiting experimental data.
ISSN:0309-3247
2041-3130
DOI:10.1243/03093247JSA568