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Dynamic Analysis of Partially Embedded Structures Considering Soil-Structure Interaction in Time Domain

Author

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  • Sanaz Mahmoudpour
  • Reza Attarnejad
  • Cambyse Behnia

Abstract

Analysis and design of structures subjected to arbitrary dynamic loadings especially earthquakes have been studied during past decades. In practice, the effects of soil-structure interaction on the dynamic response of structures are usually neglected. In this study, the effect of soil-structure interaction on the dynamic response of structures has been examined. The substructure method using dynamic stiffness of soil is used to analyze soil-structure system. A coupled model based on finite element method and scaled boundary finite element method is applied. Finite element method is used to analyze the structure, and scaled boundary finite element method is applied in the analysis of unbounded soil region. Due to analytical solution in the radial direction, the radiation condition is satisfied exactly. The material behavior of soil and structure is assumed to be linear. The soil region is considered as a homogeneous half-space. The analysis is performed in time domain. A computer program is prepared to analyze the soil-structure system. Comparing the results with those in literature shows the exactness and competency of the proposed method.

Suggested Citation

  • Sanaz Mahmoudpour & Reza Attarnejad & Cambyse Behnia, 2011. "Dynamic Analysis of Partially Embedded Structures Considering Soil-Structure Interaction in Time Domain," Mathematical Problems in Engineering, Hindawi, vol. 2011, pages 1-23, November.
    • Handle: RePEc:hin:jnlmpe:534968
    DOI: 10.1155/2011/534968
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