Numerical investigation on hydrodynamic load of coastal bridge deck under joint action of solitary wave and wind

Qu, Kun; Wen, Bo; Ren, Xingyue; Kraatz, Simon; Sun, Wenbin; Deng, Bin; Jiang, Chang Bo

doi:10.1016/j.oceaneng.2020.108037

Cited by 22 publications

(7 citation statements)

References 40 publications

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“…Moreover, the momentum balance interpolation method [39] is applied to transfer the velocity information from the cell centers to the cell control surfaces. For more details regarding the numerical flow solver, readers can refer to Darwish and Moukalled (2006) [36] and Qu et al (2020) [21].…”

Section: Numerical Flow Solvermentioning

confidence: 99%

“…By imposing wind shear stress on the ocean surface using an empirical formula, Di Leo et al [17] evaluated the effect of wind on wave overtopping of vertical walls. In recent years, high-resolution two-phase flow solvers have been applied to analyze the complex phenomena within wave-wind interactions, such as the effects of winds on wave transformation [18], wave overtopping [19], wave breaking [20], wave hydrodynamics of fringing reefs [21], and the joint impact of wind and waves on coastal structures [22].…”

Section: Introductionmentioning

confidence: 99%

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Hydrodynamic Loads and Overtopping Processes of a Coastal Seawall under the Coupled Impact of Extreme Waves and Wind

Yuan,

Wang,

et al. 2023

JMSE

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Driven by strong winds, huge ocean waves can cause devastating destruction to coastal regions during harsh weather events. There is growing evidence showing that extreme waves can occur in both shallow and deep waters. To protect the coast against the destructive power of huge waves, coastal protection facilities, such as seawalls, are often built along the coast. The integrity and stability of these coastal protection facilities are essential to the safety of coastal regions. Since huge waves are often accompanied by strong winds in real ocean environments, to fill the knowledge gap left by previous relevant studies, this study numerically investigates the hydrodynamic loads and overtopping of a coastal seawall model on a sloped beach under the coupled impact of an extreme wave group and wind. The influences of several main factors are considered, such as water depth, wind speed, and significant wave height. The research results reveal that strong wind can greatly increase the average overtopping rate and enhance the hydrodynamic loads exerted by the extreme wave group on the seawall.

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Section: Numerical Flow Solvermentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Hydrodynamic Loads and Overtopping Processes of a Coastal Seawall under the Coupled Impact of Extreme Waves and Wind

Yuan,

Wang,

et al. 2023

JMSE

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“…However, it is worth noting that previous numerical simulations on scour around marine structures did not consider the influence of wind, which is a crucial factor, especially affecting the safety of the sea-crossing bridge, regardless of the hydrodynamic impact or foundation scour. Notably, Qu et al (2020;2021) [23,24] highlighted that wind presence can significantly alter incident wave characteristics and intensify the wave impact on the structure. The results demonstrate that strong wind can substantially enhance the impact intensity of waves on the bridge deck, resulting in increased horizontal and vertical hydrodynamic loads.…”

Section: Introductionmentioning

confidence: 99%

Numerical Investigation of Flow and Scour around Complex Bridge Piers in Wind–Wave–Current Conditions

Yang,

Li,

Zou

et al. 2023

JMSE

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A sea-crossing bridge is typically constructed in a marine environment with complex piers, and is susceptible to severe scour at the foundation. This study presents a numerical investigation on flow and scour around a complex pier, specifically focusing on a real-world sea-crossing bridge in China. A comprehensive CFD model incorporating hydrodynamic, free surface, sediment transport, and morphological models is employed for numerical modeling. Additionally, a wind shear stress model is considered to accurately simulate wind generation. The validation of the CFD model is achieved through comparison with experimental data of scour around a cylinder, demonstrating its capability to accurately replicate scour morphology and the temporal evolution of scour depth. Subsequently, the validated model is utilized for full-scale simulation of scour around the complex bridge pier under different wind, wave, and current conditions. The results indicate that compared to single piers with uniform cross-sectional shapes, flow patterns around complex piers are much more complicated. Scour predominantly occurs around the first row of group piles, while downstream piles experience less scour due to the sheltering effect from upstream piles. Furthermore, it becomes evident that the current exerts greater influence on pier scour than waves and wind, while the latter two factors primarily influence the superstructure of the bridge.

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“…Although mesh-free methods are popular in studying tsunamis due to their advantages in capturing big deformations of free water surfaces in recent years, these methods are computationally expensive in simulating real-scale models (Yavari-Ramshe and Ataie-Ashtiani 2016) and are unstable in solving the stress tensor (Ganzenmüller et al 2016). Therefore, studies on the hydrodynamic response (especially the applied load) of the structure under tsunamis waves generally adopted mesh-based methods (Guo et al 2019a;Qu et al 2020). Mesh-based methods, i.e., the finite difference method (FDM) and the finite volume method (FVM), have been used for several decades to simulate landslideinduced tsunamis.…”

Section: Introductionmentioning

confidence: 99%

Numerical investigation of the hydrodynamic response of an impermeable sea-wall subjected to artificial submarine landslide-induced tsunamis

Deng

Cao

et al. 2021

Landslides

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Landslide-induced tsunamis are common natural hazards that potentially affect the safety and stability of waterfront structures. A numerical tank was constructed using FLOW-3D to investigate the hydrodynamic response of the sea-wall subjected to artificial submarine landslide-induced tsunamis, including the hydrodynamic load and wave run-up height. Initially, the landslideinduced tsunami model was calibrated using experiments to ensure high accuracy for capturing the free surface and obtaining the flow field information. Then, the sea-wall was added into the numerical tank to study the hydrodynamic response of the sea-wall. The results show that the artificial landslide successively generated two wave crests and that the hydrodynamic response of the seawall under the second crest was stronger than that under the first crest. Additionally, the effects of different influencing factors on the hydrodynamic response were discussed, respectively, and prediction equations for the hydrodynamic response considering these factors were proposed.

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Numerical investigation on hydrodynamic load of coastal bridge deck under joint action of solitary wave and wind

Cited by 22 publications

References 40 publications

Hydrodynamic Loads and Overtopping Processes of a Coastal Seawall under the Coupled Impact of Extreme Waves and Wind

Hydrodynamic Loads and Overtopping Processes of a Coastal Seawall under the Coupled Impact of Extreme Waves and Wind

Numerical Investigation of Flow and Scour around Complex Bridge Piers in Wind–Wave–Current Conditions

Numerical investigation of the hydrodynamic response of an impermeable sea-wall subjected to artificial submarine landslide-induced tsunamis

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