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TECHNICAL PAPERS

Seismic Response Analysis of Piping Systems With Nonlinear Supports Using Differential Algebraic Equations

[+] Author and Article Information
Katsuhisa Fujita, Tetsuya Kimura, Yoshikazu Ohe

Mechanical Systems Engineering, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuencho, Sakai, Osaka, 599-8531, Japan

J. Pressure Vessel Technol 126(1), 91-97 (Feb 26, 2004) (7 pages) doi:10.1115/1.1634589 History: Received November 08, 2002; Revised May 12, 2003; Online February 26, 2004
Copyright © 2004 by ASME
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References

Figures

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Coordinate system of piping element
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El Centro earthquake motion (acceleration)
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Force-displacement curve of bilinear model: (a) n=2; and (b) n=∞.
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Fixed-free ends L-shape piping system
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Fixed-free ends L-type simulation result (n=2): (a) X-Y view; (b) Y-Z view; (c) behavior of piping; (d) Z-X view; (e) displacement response; (f) FFT result; and (g) force-displacement curve.
Grahic Jump Location
Fixed-free ends L-type simulation result (n=∞): (a) X-Y view; (b) Y-Z view; (c) behavior of piping; (d) Z-X view; (e) displacement response; (f) FFT result; and (g) force-displacement curve.
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Fixed-free ends L-shape piping system
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Fixed-fixed ends L-type simulation result (n=2) (a) X-Y view; (b) Y-Z view; (c) behavior of piping; (d) Z-X view; (e) displacement response; (f) FFT result; and (g) force-displacement curve.
Grahic Jump Location
Fixed-fixed ends L-type simulation result (n=∞): (a) X-Y view; (b) Y-Z view; (c) behavior of piping; (d) Z-X view; (e) displacement response; (f) FFT result; and (g) force-displacement curve.

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