Enhancing Bridge Infrastructure Flood Resilience through Fluid-Structure Interaction Modeling
Publication: ASCE Inspire 2023
ABSTRACT
Faced with frequent and disastrous flood impacts, resistance to flood events is critical for bridge infrastructure in flood-prone areas. This paper presents a computational approach on evaluating flood impacts on bridge infrastructure in the Great Lakes region. By employing fluid-structural interaction (FSI) modeling, the study integrates computational fluid dynamics (CFD) and finite element analysis (FEA) to quantify the interaction between flood and bridge piers. Ansys Fluent, a CFD software, is utilized to simulate the flood wave and estimate the flow impact on bridge piers. The CFD results are then imported into FEA software to analyze the response of the bridge pier to floods. A parametric study is conducted to determine the critical factors, including the wave height, length, and speed on the bridge infrastructure. Based on the simulation results, an optimal pier design to enhance the flood resilience of bridge infrastructure in the Great Lakes region is proposed. The study provides a quantifiable computational model that assists the coastal communities and organizations in evaluating bridge infrastructure resilience, making pre-flood preparations, mitigating the long-term risk to life and property from future flood events, and enhancing overall infrastructure resilience.
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Information & Authors
Information
Published In
ASCE Inspire 2023
Pages: 666 - 672
History
Published online: Nov 14, 2023
ASCE Technical Topics:
- Bridge engineering
- Bridge tests
- Bridges
- Computational fluid dynamics technique
- Engineering fundamentals
- Field tests
- Finite element method
- Floods
- Fluid dynamics
- Fluid mechanics
- Hydraulic engineering
- Hydraulic structures
- Hydrologic engineering
- Infrastructure
- Infrastructure resilience
- Methodology (by type)
- Numerical methods
- Piers
- Ports and harbors
- Structural engineering
- Tests (by type)
- Water and water resources
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