Advancing Performance Based Design through Full-Scale Simulation of Wind, Water and Structural Interaction

通过风、水和结构相互作用的全尺寸模拟推进基于性能的设计Forrest Masters，首席研究员，mastersf@fiu.edu，（305）348- 3144摘要该项目将使用一种正在开发的新的测试装置，风墙，以再现全尺寸的风和雨撞击低层结构的实际动态。 实验配置将包括一个模块化阵列的2米反向旋转螺旋桨风扇，产生萨菲尔-辛普森2-4级飓风风力。 为了模拟飓风边界层典型的湍流和风驱动的雨，主动控制系统将节流发动机，在出口处连接互锁的中性形状翼型，并将水注入流场。 目标风场特征将通过分析佛罗里达海岸监测计划在最近热带气旋登陆期间收集的地面风场数据来确定。通过与工业界和政府合作，将进行一系列实验，以研究（1）低坡度屋顶的涡流抑制技术，拱腹故障和设计补救措施，以及减少建筑物墙壁和子系统中的水渗透的措施，以及（2）现有部件和模拟风荷载和风驱动雨效应的覆层测试程序的准确性。 另一个目的是发展风墙所采用的复杂测试方法与可常规用于产品认证的更简单、更便宜的测试方法之间的关系。

Advancing Performance Based Design through Full-ScaleSimulation of Wind, Water and Structural InteractionForrest Masters, Principal Investigator, mastersf@fiu.edu, (305) 348-3144AbstractThis project will use a new testing apparatus under development, the Wall of Wind, to reproduce the actual dynamics of wind and rain impinging on a low-rise structure at full scale. The experimental configuration will consist of a modular array of 2 m counter-rotating propeller fans that generate Saffir-Simpson Category 2-4 hurricane-force winds. To simulate turbulence and wind-driven rain typical of the hurricane boundary layer, an active control system will throttle the engines, articulate interlocking neutral-shape airfoils at the exit, and inject water into the flow field. The target wind field characteristics will be established from analysis of surface wind field data collected by the Florida Coastal Monitoring Program during recent tropical cyclone landfalls.Through collaboration with industry and government, a series of experiments will be conducted to investigate (1) vortex suppression technologies for low-slope roofs, soffit failures and design remedies, and measures to reduce water penetration in building walls and sub-systems and (2) the accuracy of existing components and cladding testing procedures that simulate wind loading and wind-driven rain effects. An additional aim is the development of relationships between the complex test methods employed by the Wall of Wind and simpler, less expensive test methods that can be routinely used for product certification.