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J.H. Lee, "Nonlinear Earthquake Response Analysis of Unanchored Cylindrical Liquid Storage Tanks Considering Fluid-Structure-Soil Interaction", in P. Iványi, J. Kruis, B.H.V. Topping, (Editors), "Proceedings of the Eighteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Edinburgh, UK, Online volume: CCC 10, Paper 9.5, 2025,

Keywords: cylindrical liquid storage tank, fluid-structure interaction, soil-structure interaction, earthquake response analysis, nonlinear behaviour, uplift.

Abstract

Considering fluid-structure-soil interaction, a finite element model of an unanchored cylindrical liquid storage tank is presented and a nonlinear earthquake response analysis is formulated. The tank structure is modelled using shell elements, which allow geometric and material nonlinear behaviour to be taken into account. The fluid behaviour is represented by acoustic elements and coupled to the structure by interface elements. To account for soil-structure interaction, the near and far fields of the soil are modelled with solid elements and perfectly matched discrete layers, respectively. The base uplift is considered using nonlinear springs between the tank base and soil. The finite-element model is used to calculate the earthquake response of an unanchored liquid storage tank on flexible soil subjected to an earthquake ground motion.

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Front Page Browse CCC CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Conferences ISSN 2753-3239 CCC: 10 PROCEEDINGS OF THE EIGHTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING Edited by: P. Iványi, J. Kruis and B.H.V. Topping Paper 9.5 Nonlinear Earthquake Response Analysis of Unanchored Cylindrical Liquid Storage Tanks Considering Fluid-Structure-Soil Interaction J.H. Lee Department of Ocean Engineering, Pukyong National University, Busan, Republic of Korea Full Bibliographic Reference for this paper J.H. Lee, "Nonlinear Earthquake Response Analysis of Unanchored Cylindrical Liquid Storage Tanks Considering Fluid-Structure-Soil Interaction", in P. Iványi, J. Kruis, B.H.V. Topping, (Editors), "Proceedings of the Eighteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Edinburgh, UK, Online volume: CCC 10, Paper 9.5, 2025, Keywords: cylindrical liquid storage tank, fluid-structure interaction, soil-structure interaction, earthquake response analysis, nonlinear behaviour, uplift. Abstract Considering fluid-structure-soil interaction, a finite element model of an unanchored cylindrical liquid storage tank is presented and a nonlinear earthquake response analysis is formulated. The tank structure is modelled using shell elements, which allow geometric and material nonlinear behaviour to be taken into account. The fluid behaviour is represented by acoustic elements and coupled to the structure by interface elements. To account for soil-structure interaction, the near and far fields of the soil are modelled with solid elements and perfectly matched discrete layers, respectively. The base uplift is considered using nonlinear springs between the tank base and soil. The finite-element model is used to calculate the earthquake response of an unanchored liquid storage tank on flexible soil subjected to an earthquake ground motion. download the full-text of this paper (PDF, 12 pages, 1017 Kb) go to the previous paper go to the next paper return to the table of contents return to the volume description
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