A three-dimensional analysis of the dynamic behavior of liquid-filled elastic cylindrical tanks based on flexible grounds, undergoing horizontal and vertical earthquake excitation is presented. The interaction of the ideal fluid with the elastic shell and with the flexible ground yields a problem of linear potential theory which must be solved together with the equations of motion of the shell and of the ground. With the unknown modal shapes of vibration developed in Fourier and in Fourier-Bessel series, the partial differential equations are transformed into coupled generalized equations of vibration by a weighted residual approach. The results show the strong influence of the flexible ground characterized by a remarkable shifting of natural frequencies, by the existence of additional natural frequencies, and by high damping ratios.
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February 1990
Research Papers
Analysis of a Three-Dimensional Tank-Liquid-Soil Interaction Problem
R. Seeber,
R. Seeber
Institute of Mechanics, University of Mining and Metallurgy, Leoben, Austria
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F. D. Fischer,
F. D. Fischer
Institute of Mechanics, University of Mining and Metallurgy, Leoben, Austria
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F. G. Rammerstorfer
F. G. Rammerstorfer
Institute of Lighweight Structures, Technical University of Vienna, Vienna, Austria
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R. Seeber
Institute of Mechanics, University of Mining and Metallurgy, Leoben, Austria
F. D. Fischer
Institute of Mechanics, University of Mining and Metallurgy, Leoben, Austria
F. G. Rammerstorfer
Institute of Lighweight Structures, Technical University of Vienna, Vienna, Austria
J. Pressure Vessel Technol. Feb 1990, 112(1): 28-33 (6 pages)
Published Online: February 1, 1990
Article history
Received:
August 17, 1988
Revised:
April 7, 1989
Online:
June 17, 2008
Citation
Seeber, R., Fischer, F. D., and Rammerstorfer, F. G. (February 1, 1990). "Analysis of a Three-Dimensional Tank-Liquid-Soil Interaction Problem." ASME. J. Pressure Vessel Technol. February 1990; 112(1): 28–33. https://doi.org/10.1115/1.2928582
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