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TECHNICAL PAPERS

Nonlinear Analysis of Pipe Bends Subjected to Out-of-Plane Moment Loading and Internal Pressure

[+] Author and Article Information
Hashem M. Mourad, Maher Y. A. Younan

The American University in Cairo, Engineering Department, Cairo 11511, Egypt

J. Pressure Vessel Technol 123(2), 253-258 (Jul 24, 2000) (6 pages) doi:10.1115/1.1310335 History: Received May 01, 2000; Revised July 24, 2000
Copyright © 2000 by ASME
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References

Figures

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Integration points around the section, and across the wall, where results are obtained
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Longitudinal variation of maximum Von Mises stress, at initiation of yielding
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Longitudinal variation of maximum equivalent plastic strain, at instability
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Variation of the equivalent plastic strain with end-rotation around the first half of the section, inside wall—no internal pressure
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Variation of the equivalent plastic strain with end-rotation around the second half of the section, inside wall—no internal pressure
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Variation of the equivalent plastic strain with end-rotation around the first half of the section, inside wall—p=1200 psi
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Variation of the equivalent plastic strain with end-rotation around the second half of the section, inside wall—P=1200 psi
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Load-deflection curves of the elbow, showing number of plastic hinges developed in the pipe bend at different loading stages
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Distribution of axial stress around the section, at initiation of yielding—no internal pressure
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Distribution of hoop stress around the section, at initiation of yielding—no internal pressure
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Distribution of Von Mises stress around the section, at initiation of yielding—no internal pressure
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Distribution of equivalent plastic strain around the section, at instability—no internal pressure
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Distribution of axial stress around the section, at initiation of yielding—P=1200 psi
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Distribution of hoop stress around the section, at initiation of yielding—P=1200 psi
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Distribution of Von Mises stress around the section, at initiation of yielding—P=1200 psi
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Distribution of equivalent plastic strain around the section, at instability—P=1200 psi
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Integration sections of the model showing the original and deformed shapes—no internal pressure
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Integration sections of the model, showing the original and deformed shapes—P=1200 psi

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