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Seismic Response Evaluation of Ground-Supported Concrete Water Reservoir with Fluid–Structure Interaction (FSI)

  • 2025
  • OriginalPaper
  • Chapter
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Abstract

This chapter delves into the seismic response evaluation of a ground-supported concrete water reservoir, focusing on the fluid-structure interaction (FSI) during the Northridge 1994 earthquake. The study examines two scenarios: an empty reservoir and one filled with water, using finite element analysis (FEA) to identify critical stress and deflection points. The analysis reveals that the presence of water significantly increases both stress and deflection, with maximum values occurring along the first quarter of the 51-meter-long wall. The chapter also verifies the FEA method through a single degree of freedom system and discusses the impact of concurrent earthquake and surface loading. The findings highlight the importance of strategic sensor placement for effective structural health monitoring, particularly in water-filled reservoirs. The detailed mesh convergence study and the use of advanced FEA techniques provide a robust framework for understanding and mitigating seismic risks in similar structures.

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Title
Seismic Response Evaluation of Ground-Supported Concrete Water Reservoir with Fluid–Structure Interaction (FSI)
Authors
Nasrin Nazari
Sardar Malek
Rishi Gupta
Copyright Year
2025
DOI
https://doi.org/10.1007/978-3-031-96763-4_13
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