Approximate elastic stress estimates for elbows under internal pressure

Seok Pyo Hong; Joong Hyok An; Yun Jae Kim; Kamran Nikbin; Peter J. Budden

doi:10.1016/j.ijmecsci.2011.04.009

Approximate elastic stress estimates for elbows under internal pressure

Seok Pyo Hong, Joong Hyok An, Yun Jae Kim, Kamran Nikbin, Peter J. Budden

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

Abstract

This paper presents closed-form approximations to elastic stresses in thick- and thin-walled elbows with attached straight pipes under internal pressure, based on three-dimensional elastic finite element analysis. Elastic stresses in the centre of an elbow are found to be close to an existing closed-form solution, suggesting that the hoop stress varies with the longitudinal position. The FE results indicate that the hoop stress varies linearly with the longitudinal position. Moreover, stresses in the junction of an elbow and straight pipe are shown to be the average of those in the centre of the elbow and in the straight pipe.

Original language	English
Pages (from-to)	526-535
Number of pages	10
Journal	International Journal of Mechanical Sciences
Volume	53
Issue number	7
DOIs	https://doi.org/10.1016/j.ijmecsci.2011.04.009
Publication status	Published - 2011 Jul

Keywords

Elastic stresses
Elbow
Finite element analysis
Internal pressure

ASJC Scopus subject areas

Civil and Structural Engineering
General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1016/j.ijmecsci.2011.04.009

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title = "Approximate elastic stress estimates for elbows under internal pressure",

abstract = "This paper presents closed-form approximations to elastic stresses in thick- and thin-walled elbows with attached straight pipes under internal pressure, based on three-dimensional elastic finite element analysis. Elastic stresses in the centre of an elbow are found to be close to an existing closed-form solution, suggesting that the hoop stress varies with the longitudinal position. The FE results indicate that the hoop stress varies linearly with the longitudinal position. Moreover, stresses in the junction of an elbow and straight pipe are shown to be the average of those in the centre of the elbow and in the straight pipe.",

keywords = "Elastic stresses, Elbow, Finite element analysis, Internal pressure",

author = "Hong, {Seok Pyo} and An, {Joong Hyok} and Kim, {Yun Jae} and Kamran Nikbin and Budden, {Peter J.}",

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T1 - Approximate elastic stress estimates for elbows under internal pressure

AU - Hong, Seok Pyo

AU - An, Joong Hyok

AU - Kim, Yun Jae

AU - Nikbin, Kamran

AU - Budden, Peter J.

PY - 2011/7

Y1 - 2011/7

N2 - This paper presents closed-form approximations to elastic stresses in thick- and thin-walled elbows with attached straight pipes under internal pressure, based on three-dimensional elastic finite element analysis. Elastic stresses in the centre of an elbow are found to be close to an existing closed-form solution, suggesting that the hoop stress varies with the longitudinal position. The FE results indicate that the hoop stress varies linearly with the longitudinal position. Moreover, stresses in the junction of an elbow and straight pipe are shown to be the average of those in the centre of the elbow and in the straight pipe.

AB - This paper presents closed-form approximations to elastic stresses in thick- and thin-walled elbows with attached straight pipes under internal pressure, based on three-dimensional elastic finite element analysis. Elastic stresses in the centre of an elbow are found to be close to an existing closed-form solution, suggesting that the hoop stress varies with the longitudinal position. The FE results indicate that the hoop stress varies linearly with the longitudinal position. Moreover, stresses in the junction of an elbow and straight pipe are shown to be the average of those in the centre of the elbow and in the straight pipe.

KW - Elastic stresses

KW - Elbow

KW - Finite element analysis

KW - Internal pressure

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EP - 535

JO - International Journal of Mechanical Sciences

JF - International Journal of Mechanical Sciences

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Approximate elastic stress estimates for elbows under internal pressure

Abstract

Keywords

ASJC Scopus subject areas

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