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TECHNICAL PAPERS

Failure Strength Assessment of Pipes With Local Wall Thinning Under Combined Loading Based on Finite Element Analyses

[+] Author and Article Information
Do-Jun Shim, Jae-Boong Choi, Young-Jin Kim

SAFE Research Center, School of Mechanical Engineering, Sungkyunkwan University, 300 Chunchun-dong, Jangan-gu, Suwon, Kyonggi-do 440-746, Korea

J. Pressure Vessel Technol 126(2), 179-183 (May 05, 2004) (5 pages) doi:10.1115/1.1687382 History: Received October 11, 2002; Revised September 23, 2003; Online May 05, 2004
Copyright © 2004 by ASME
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References

Figures

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True stress-true strain curve of ASTM A333 Gr.6 at room temperature
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Geometry of pipe specimen with local wall thinning
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Typical finite element meshes employed in the present work: (a) 2θ=π/2, L=200 mm, and (b) 2θ=2π, L=200 mm
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Contour of von Mises stress at maximum bending moment
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Comparison of maximum moment measured from pipe tests and maximum moment predicted from FE results
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Maximum moment obtained from FE results for tension-loaded wall-thinned area for three different wall-thinned depth (Pi=10 MPa)
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Maximum moment obtained from FE results for compression-loaded wall-thinned area for three different wall-thinned depth (Pi=10 MPa)
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Pressure effect on the maximum moment for tension-loaded wall-thinned area for three different wall thinned depth
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Pressure effect on the maximum moment for compression-loaded wall-thinned area for three different wall thinned depth

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