Numerical study of complex fluid-structure interaction

EPSRC主题：海岸和航道工程;海洋波浪和潮汐;水工程;连续介质力学;流体动力学和空气动力学;数值分析;结构工程;风力发电;复杂流体和流变学。据设想，海洋可再生能源可以在发电中发挥重要作用，并将有助于实现英国政府到2050年减少80%碳排放的政策。这些潜在的机会促使各方作出相当大的努力，开发和部署海洋可再生能源装置，如海上风力涡轮机以及波浪和潮汐流技术。因此，需要能够模拟整个结构在波浪和海流载荷下的行为的模拟工具，以评估海洋能量转换器装置和海上结构的安全性、生存能力和可行性，及其对生态系统和沉积物系统的环境影响。该项目的主要目的是量化海上浮式结构和海上桩的结构响应-在极端事件下，支撑基础承受各种波浪荷载和强潮流。将进行数值模拟，并与实验测量进行比较，这将揭示与非常详细的流体-结构的相互作用的浮动海上能源装置和桩结构受到波浪和水流的冲击力。此外，开发的完全耦合的流体-结构相互作用仿真工具也可以用于许多其他工程应用中，例如在生物医学工程中基于医学成像来研究可移动和可变形几何形状的血液流动。

EPSRC Themes: Coastal and waterway engineering ; Marine wave and tidal ; Water engineering ; Continuum mechanics ; Fluid dynamics and aerodynamics ; Numerical analysis ; Structural Engineering; Wind Power; Complex Fluids & Rheology.It is envisioned that marine renewable energy could play an important role in electricity generation and will help to meet the UK government's policy for an 80% cut in carbon emissions by 2050. The potential opportunities have led to considerable effort in the development and deployment of marine renewable energy devices, such as offshore wind turbines as well as wave and tidal stream technologies. Therefore, simulation tools that allow the simulation of the entire structure's behaviour under wave and current loads are needed to assess the safety, survivability and viability for marine energy converter devices and offshore structures, and their environmental impacts on ecosystems and sediment systems.The main aim of the project is to quantify the structural response of a offshore floating structure and offshore pile-supported foundation subjected to various wave loads and a strong tidal current under extreme events. Numerical simulations will be carried out and compared with experimental measurements, which will reveal with great details the fluid-structure interaction of the floating offshore energy device and impact force exerting on pile-structures subjected to waves and currents. In addition, the developed fully coupled fluid-structure interaction simulation tool can also be used in many other engineering applications, such as in biomedical engineering to study blood flow in movable and deformable on geometries based on medical imaging.