Seismic response of base-isolated liquid storage tanks considering fluid-structure-soil interaction in time domain

Kyung Hwan Cho, Moon Kyum Kim, Yun Mook Lim, Seong Yong Cho

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

The seismic response analysis of a base-isolated liquid storage tank on a half-space was examined using a coupling method that combines the finite elements and boundary elements. The coupled dynamic system that considers the base isolation system and soil-structure interaction effect is formulated in time domain to evaluate accurately the seismic response of a liquid storage tank. Finite elements for a structure and boundary elements for liquid are coupled using equilibrium and compatibility conditions. The base isolation system is modeled using the biaxial hysteretic element. The homogeneous half-space is idealized using the simple spring-dashpot model with frequency-independent coefficients. Some numerical examples are presented to demonstrate accuracy and applicability of the developed method. Consequently, a general numerical algorithm that can analyze the dynamic response of base-isolated liquid storage tanks on homogeneous half-space is developed in three-dimensional coordinates and dynamic response analysis is performed in time domain.

Original languageEnglish
Pages (from-to)839-852
Number of pages14
JournalSoil Dynamics and Earthquake Engineering
Volume24
Issue number11
DOIs
Publication statusPublished - 2004 Dec 1

Fingerprint

Soil structure interactions
soil-structure interaction
storage tank
Seismic response
seismic response
soil structure
half space
seismic isolation
liquid
liquids
Fluids
fluid
response analysis
Liquids
dynamic response
Dynamic response
Dynamical systems
fluids
methodology
method

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Geotechnical Engineering and Engineering Geology
  • Soil Science

Cite this

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abstract = "The seismic response analysis of a base-isolated liquid storage tank on a half-space was examined using a coupling method that combines the finite elements and boundary elements. The coupled dynamic system that considers the base isolation system and soil-structure interaction effect is formulated in time domain to evaluate accurately the seismic response of a liquid storage tank. Finite elements for a structure and boundary elements for liquid are coupled using equilibrium and compatibility conditions. The base isolation system is modeled using the biaxial hysteretic element. The homogeneous half-space is idealized using the simple spring-dashpot model with frequency-independent coefficients. Some numerical examples are presented to demonstrate accuracy and applicability of the developed method. Consequently, a general numerical algorithm that can analyze the dynamic response of base-isolated liquid storage tanks on homogeneous half-space is developed in three-dimensional coordinates and dynamic response analysis is performed in time domain.",
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Seismic response of base-isolated liquid storage tanks considering fluid-structure-soil interaction in time domain. / Cho, Kyung Hwan; Kim, Moon Kyum; Lim, Yun Mook; Cho, Seong Yong.

In: Soil Dynamics and Earthquake Engineering, Vol. 24, No. 11, 01.12.2004, p. 839-852.

Research output: Contribution to journalArticle

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