Abstract
In this paper, dynamic modeling of fluid-filled piping system coupled with general flexible foundation by discrete springs has been investigated. A method combined the transfer matrix method (TMM) and frequency response function (FRF)-based substructure method has been proposed to enhance the computation efficiency. Fluid-structure interaction of the fluid-filled piping system has been taken into consideration in the TMM by variable separation. By using this method, the natural frequencies and FRFs of the coupled system can be obtained. The engineering applications with plate-like foundation have been simulated. Very good agreement has been obtained compared with the results by finite element method (FEM). Parametric studies are carried out to illustrate the influences of stiffness of spring and plate on the dynamic behaviors of the coupled system. This study will shed some light on designing fluid-filled piping system on flexible foundation in engineering practice.
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Ren, L., Huang, X., Zhang, Z., Hua, H. (2016). Dynamic Analysis of Fluid-Filled Piping System on Flexible Foundation. In: Di Miao, D., Tarazaga, P., Castellini, P. (eds) Special Topics in Structural Dynamics, Volume 6. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-29910-5_16
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DOI: https://doi.org/10.1007/978-3-319-29910-5_16
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