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ISSN: 2950-6018

Impact of loose-laid gravel on the pressure distribution over a flat roof

A series of large-scale wind tunnel tests were conducted to quantify the impact of loose-laid gravel on the pressure distribution over a flat roof. Measurements were presented for the pressure distribution...

Mitigating wind loads on PV panels via Savonius turbines: A numerical investigation

Photovoltaic (PV) panels are highly susceptible to damage under high wind loads. Research on effective measures to mitigate wind loads on PV panels remains limited. Conventional methods typically employ...

Vortex-induced vibration control of bridge decks using energy dissipative devices: A review of recent developments

This paper presents a comprehensive and up-to-date review of energy dissipative devices for controlling vortex-induced vibrations (VIV) in bridge decks, covering passive, active, and semi-active control...

Validating debris flight model in highly turbulent boundary layer flows using wind tunnel testing

Windborne debris impact can cause building envelope damage during windstorms, and hence it is crucial to study debris flight behavior in turbulent wind fields for improving building resilience in urban...

Wind tunnel tests of autorotation of plate: The effects of tilt angle, chamfer form, and mass eccentricity

Windborne debris is one of the main factors that damage building structures in typhoon-prone areas, and plate-type debris is more common and concerned. Wind tunnel tests were conducted to study the...

Measurements of shear stress distribution over a flat roof as a function of parapet height, wind direction, and roof roughness

A series of first-of-their-kind large-scale wind tunnel tests were conducted to measure the surface shear stress distribution on a flat roof of a square-plan building. Data were collected for a broad...

Understanding the Relationship between Structural Failure and Fatalities in Tornadoes: A Quantitative Investigation of the 2021 Midwest Tornado Outbreak

During 1950‐2011, the number of fatalities caused by tornadoes in the U.S. significantly exceed the fatalities caused by both hurricanes and earthquakes. To reduce tornado induced fatalities, it is...

Aerodynamic characteristics of the train traversing the thunderstorm downburst wind field

To investigate the aerodynamic characteristics of the high-speed train as it traverses the thunderstorm downburst wind, a special test device was used to simulate the thunderstorm downburst wind field....

An improved particle swarm optimization for wind resistance performance design of high-rise buildings

Wind-resistant optimal design is an important issue for structural design of high-rise buildings. However, there are many implicit expressions in the wind-resistant optimization process. In this study,...

A large eddy simulation method for atmospheric boundary layer inflow turbulence using porous media model

Accurate simulation of the incident wind field, including mean wind speed and turbulence intensity, is a critical aspect of predicting wind loads on buildings using large eddy simulation (LES). Existing...

A deep convolutional generative adversarial network for data imputation: Application to wind speed time series

Accurate and reliable wind speed data are essential across diverse wind engineering applications, such as maximizing the efficiency and effectiveness of wind energy utilization. However, the continuity...

Artificial intelligence for wind speed forecasting: A review on multi-scale decomposition and intelligent fusion strategies

Accurate and reliable short-term wind speed forecasting is essential for the effective utilization and scientific dispatch of wind energy. In recent years, with the rapid development of Artificial Intelligence...

Research on aerodynamic drag reduction for 400 km/h high-speed trains

To improve the transportation efficiency, the trains are designed for higher operational speed. When the train speed increases, its aerodynamic drag grows dramatically and the operational energy consumption...

Effects of acceleration, frequency and mild motion sickness on continuous tracking task accuracy in response to simulated wind-induced building motion

This study investigates the effects of acceleration, frequency and motion sickness on task performance. Using a mixed factorial design, we exposed 40 participants to a range of sinusoidal accelerations...

Study of rectangular 5:1 cylinder vortex-induced vibration based on the mode decomposition method

Vortex-induced vibration (VIV) is a complicated fluid-solid coupling phenomenon. VIV of the rectangular section has drawn a lot of investigation because its aerodynamic properties offer useful models...

Advancements in crosswind safety for multiple-unit train operations on the Southern Xinjiang Railway, China

To support multiple-unit train operations on the Southern Xinjiang Railway, a comprehensive series of full-scale tests was conducted to assess crosswind safety. Findings revealed that the lightweight...

On the refined buffeting analysis of long-span bridges: Which is the proper aerodynamic admittance?

The aerodynamic admittance function (AAF) is one of the most important aerodynamic parameters in evaluating the buffeting responses of long-span bridges. For the bridges with a large span length, the...

Application of fractal analysis on wind speed time series: A review

Wind speed time series are characterized by complex, non-linear, and irregular patterns, which challenge traditional statistical methods in capturing their dynamics. Fractal analysis, with its focus...

Influence of conductors on the wind-induced stability of transmission tower-line systems

This study examines the influence of conductors on the stability of transmission tower-line systems under wind loading. Numerical simulations utilizing finite element methods were conducted to evaluate...

Generation of downburst outflow in a traditional wind tunnel using multi-blade flow control device

The thunderstorm downbursts impose a great threat to civil engineering structures and the experimentation for such nonsynoptic winds plays a significant role in the characterization and quantification...

Vortex characteristics of a large-scale Ward-type tornado simulator at Central South University

Recently, a new large-scale Ward-type tornado simulator has been built at Central South University, CSU-TW5. Three-dimensional (3-D) velocity and surface pressure on the ground were measured to investigate...

Optimizing post-hurricane recovery of interdependent infrastructure systems via knowledge-enhanced deep reinforcement learning

The swift restoration of infrastructure systems damaged by hurricane hazards (e.g., strong winds, heavy rainfall, and high surges/waves) hinges on efficiently managing the limited resources for different...

Effects of slope ratios on wind field over two-dimensional continuous smooth ridges using large eddy simulations

Large eddy simulations (LES) were conducted to investigate the wind field over two-dimensional continuous smooth ridges with four different slope ratios (H/L = 0.2, 0.4, 0.6, and 0.8) for a fixed spacing...

Correlation analysis of structural parameters and dynamic responses of offshore floating wind turbine platforms using grey relational theory

As offshore wind energy development extends into deeper waters, the design of floating wind turbine platforms becomes increasingly critical. This study examines the heave, surge, and pitch responses...

Uncertainty-aware fragility modeling of urban building exteriors subjected to hurricane-induced windborne debris with conditional generative adversarial nets

Building exteriors are highly susceptible to windborne debris damage during hurricanes, a concern that is growing in urgency amid climate change. Fragility functions that estimate the probability of...

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