Advances in Computational Design

  • 제9권2호
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  • Pages.81-96
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  • 2024
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  • 2383-8477(pISSN)
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  • 2466-0523(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Isogeometric analysis of the seismic response of a gravity dam: A comparison with FEM

  • Abdelhafid Lahdiri (Laboratory of Solid Mechanics and Systems LMSS, Department of Civil Engineering, University of Boumerdes) ;
  • Mohammed Kadri (Laboratory of Solid Mechanics and Systems LMSS, Department of Civil Engineering, University of Boumerdes)
  • 투고 : 2020.04.10
  • 심사 : 2024.02.19
  • 발행 : 2024.04.25
⟨ 이전 논문 다음 논문 ⟩

초록

Modeling and analyzing the dynamic behavior of fluid-soil-structure interaction problems are crucial in structural engineering. The solution to such coupled engineering systems is often not achievable through analytical modeling alone, and a numerical solution is necessary. Generally, the Finite Element Method (FEM) is commonly used to address such problems. However, when dealing with coupled problems with complex geometry, the finite element method may not precisely represent the geometry, leading to errors that impact solution quality. Recently, Isogeometric Analysis (IGA) has emerged as a preferred method for modeling and analyzing complex systems. In this study, IGA based on Non-Uniform Rational B-Splines (NURBS) is employed to analyze the seismic behavior of concrete gravity dams, considering fluid-structure-foundation interaction. The performance of IGA is then compared with the classical finite element solution. The computational efficiency of IGA is demonstrated through case studies involving simulations of the reservoir-foundation-dam system under seismic loading.

키워드

과제정보

This research was supported by the National Found of Research - DGRSDT, Algerian Ministry of High Education.

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