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TECHNICAL PAPERS

Bifurcation Buckling Analysis of Conical Roof Shell Subjected to Dynamic Internal Pressure by the Finite Element Method

[+] Author and Article Information
Seiya Hagihara

Department of Mechanical Engineering, Saga University, Saga 840-8502, Japane-mail: hagihara@me.saga-u.ac.jp

Noriyuki Miyazaki

Department of Chemical Engineering, Kyushu University, Fukuoka, 812-8581 Japane-mail: miyazaki@chem-eng.kyushu-u.ac.jp

J. Pressure Vessel Technol 125(1), 78-84 (Jan 31, 2003) (7 pages) doi:10.1115/1.1533801 History: Received July 27, 2001; Revised October 25, 2002; Online January 31, 2003
Copyright © 2003 by ASME
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References

Figures

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Dimensions of conical roof shell
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Three kinds of dynamic pressure loading
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Relationship between bifurcation buckling pressure for static loading and R/h
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Minimum bifurcation pressures for ramp loadings in case of R=5 m
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Minimum bifurcation pressures for pulse loadings in case of R=5 m
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Minimum bifurcation pressures for ramp loadings in case of R=10 m
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Minimum bifurcation pressures for pulse loadings in case of R=10 m
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Minimum bifurcation pressures for ramp loadings in case of R=15 m
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Minimum bifurcation pressures for pulse loadings in case of R=15 m
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Buckling modes for ramp loadings in case of R=5 m,h=12 mm
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Buckling modes for pulse loadings of Tp=10 ms in case of R=5 m
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Buckling modes for pulse loadings of Tp=10 ms in case of R=10 m
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Buckling modes for pulse loadings of Tp=10 ms in case of R=15 m
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Buckling modes for pulse loadings of Tp=20 ms in case of R=15 ms
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Buckling modes for pulse loadings in case of R=15 m and h=4 mm
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Dynamic response of the radial displacements at the midplane of conical roof
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Dynamic response of radial displacements at the joint between conical roof and attached cylinder
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Dynamic response of radial displacements at the midplane of attached cylinder
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Minimum bifurcation pressure related with radius/thickness ratio

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