A frequency domain spectral analysis of piping systems with flexible supports is presented for uniformly modulated nonstationary support excitations. The support points are idealized by spring-dashpot arrangements. The equations of motion of the resulting nonclassically damped, multipoint excitation system are written and solved in terms of the absolute displacements of the dynamic DOF. This facilitates a direct computation of the dynamic stresses induced at various cross sections of the pipe segments. The method of analysis provides a quasi-stationary response based on the assumption that the modulating function varies slowly with time; the exact response analysis in frequency domain for such systems with nonstationary support excitation is difficult to determine. Using the method of analysis presented, the response of a piping system is obtained for a set of important parametric variations related to the flexibility, damping, and excitation of the supports.
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February 1996
Research Papers
Stochastic Response of Piping Systems With Flexible Supports
H. O. Soliman,
H. O. Soliman
Department of Civil Engineering, Zagazig University, Zagazig, Egypt
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T. K. Datta
T. K. Datta
Department of Civil Engineering, Indian Institute of Technology, New Delhi-110016, India
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H. O. Soliman
Department of Civil Engineering, Zagazig University, Zagazig, Egypt
T. K. Datta
Department of Civil Engineering, Indian Institute of Technology, New Delhi-110016, India
J. Pressure Vessel Technol. Feb 1996, 118(1): 109-114 (6 pages)
Published Online: February 1, 1996
Article history
Received:
June 20, 1994
Revised:
June 1, 1995
Online:
February 11, 2008
Citation
Soliman, H. O., and Datta, T. K. (February 1, 1996). "Stochastic Response of Piping Systems With Flexible Supports." ASME. J. Pressure Vessel Technol. February 1996; 118(1): 109–114. https://doi.org/10.1115/1.2842152
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