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TECHNICAL PAPERS

External Longitudinal Flaws in Pipes Under Complex Loading

[+] Author and Article Information
Roberto Brighenti

Department of Civil Engineering, University of Parma, Parco Area delle Scienze, 43100 Parma, Italye-mail: brigh@unipr.it

J. Pressure Vessel Technol 123(1), 139-145 (Oct 02, 2000) (7 pages) doi:10.1115/1.1331280 History: Received December 16, 1999; Revised October 02, 2000
Copyright © 2001 by ASME
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References

Figures

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Elementary hoop stress distributions perpendicular to the crack faces: (a) constant, (b) linear, (c) quadratic, (d) cubic, (e) quartic
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Plasticization of a pressurized cylinder
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Three-dimensional finite element mesh
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Dimensionless SIF for R*(R/t) equal to 1 (a,c) or 10 (b,d), in the case of a constant (n=0) or a quartic (n=4) hoop stress distribution
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Dimensionless SIF under internal pressure for R*(R/t)=1(a) and R*(R/t)=10(b), in the case of ξ(a/t)=0.5
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Dimensionless SIF under internal pressure for R*(R/t)=1(a) and R*(R/t)=10(b), in the case of α (a/b)=0.2 and 1.0
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Dimensionless SIF under thermal stresses for R*(R/t)=1, in the case of α (a/b)=0.2 and 1.0
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Dimensionless SIF under residual stresses for R*(R/t)=1, in the case of α (a/b)=0.2 and 1.0
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External longitudinal flaw in a round pipe

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