"The term 'VIV' stands for Vortex-Induced Vibration, a phenomenon occurring when a fluid flow, such as water or wind, passes around a cylindrical object, inducing oscillations or vibrations in the cylinder. These vibrations can be detrimental in certain applications, such as civil engineering, as they may cause structural fatigue or damage.

To reduce or control Vortex-Induced Vibrations in circular cylinders, various strategies can be employed, including:

In civil engineering, Vortex-Induced Vibration can pose a challenge in structures like bridges, transmission towers, masts, and chimneys. Applying strategies to control vibrations in these structures is crucial to ensure their stability and durability over time.

It's important to conduct a detailed analysis of the project-specific conditions and consider factors such as flow type, material properties, cylinder geometry, and dynamic loads to determine the best strategy for mitigating Vortex-Induced Vibrations."

hi Lionel Pierre Nkengue

In civil engineering, an elastically mounted circular cylinder model for Vortex-Induced Vibrations (VIV) is crucial for understanding and mitigating fluid-structure interactions. It's particularly valuable in the design and stability analysis of bridges, tall buildings, offshore structures, industrial chimneys, and cooling towers, all of which are susceptible to wind or water-induced vibrations. The model aids in predicting the dynamic response of these structures to vortex shedding, enabling the development of effective damping systems and design modifications. This ensures not only the structural integrity and longevity of these constructions but also helps in assessing and minimizing their environmental impacts, especially in aquatic environments. The application of the VIV model is a critical aspect in ensuring the safety and durability of various infrastructures subjected to dynamic fluid forces.

Bridges

• Cable-Stayed and Suspension Bridges: VIV models help in assessing the vibrations of cables and the bridge deck due to wind or water flow. This is crucial for ensuring the structural integrity and longevity of the bridge.
• Design Optimization: Engineers can optimize the shape and materials of bridge components to minimize VIV, improving safety and performance.