Collaborative Research: Damage Assessment of Coastal Structures Subject to Waterborne Debris Impact under Extreme Wind and Wave Conditions

合作研究:极端风浪条件下遭受水生碎片冲击的海岸结构的损坏评估

基本信息

  • 批准号:
    2212712
  • 负责人:
  • 金额:
    $ 26.71万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2022
  • 资助国家:
    美国
  • 起止时间:
    2022-09-01 至 2025-08-31
  • 项目状态:
    未结题

项目摘要

With rising sea-levels and more frequent weather-related extreme events, coastal civil infrastructure and communities are becoming more flood-prone and consequently subject to an elevated risk of damage and destruction. Among the various flood-related risks, flood-borne debris can be destructive to coastal infrastructure (e.g., buildings, houses, and bridges). Such debris (e.g. trees, cars, and ships) are carried by floods and waves, often in combination with extreme wind gusts. Currently, there is a significant gap in understanding and modeling the key physical processes associated with flood-borne debris. This project will provide a science-based approach to understand and predict the flood-borne debris damages to structures under extreme flood flow and wind conditions. The research will also be complemented by an educational component that includes workshops, curriculum development, and training demonstrations. The educational program will be designed to have positive and measurable impact on a broad spectrum of students (ranging from high school to graduate students), foster an increased participation among minority and underrepresented groups, and inform students of the novel research and diverse cultures of the three participating institutions, i.e., Columbia University, SUNY at Stony Brook, and CUNY City College. This award will contribute to the National Science Foundation (NSF) role in the National Windstorm Impact Reduction Program (NWIRP). The overarching goal of this research is to understand and quantify the critical mechanics processes involved in water-wind-debris-structure interactions, including debris drifting by extreme flow and wind conditions, debris collision with the structure, and the resulting damages. A multidisciplinary approach employing computational fluid dynamics, computational solid mechanics, and laboratory experiments will be used to achieve this goal. Specific research tasks include: (1) innovative experiments deploying “smart debris” to investigate wind and transport effects of flood-borne debris and their impact/damage to structures, (2) new computational methods and software for an integrated simulation of debris drifting, impingement, and damage to structures, and (3) novel physics-based fragility curves, at the system level, for structural failure risk assessment due to debris impacts. In the long term, this research can lead to enhanced designs and mitigation strategies for structures susceptible to the impact of flood and debris, advancing the well-being of the public through development of resilient coastlines and communities. Project data will be archived and made publicly available in campus data repositories and in the NSF-supported Natural Hazards Engineering Research Infrastructure Data Depot (https://www.DesignSafe-ci.org).This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
随着海平面上升和与天气相关的极端事件的上升,沿海民用基础设施和社区变得越来越容易洪水,因此受到损害和破坏的风险升高。在各种与洪水有关的风险中,洪水传播的碎片可能对沿海基础设施(例如建筑物,房屋和桥梁)具有破坏性。这种碎片(例如树木,汽车和船只)是通过地板和波浪携带的,通常与极端风向指南结合使用。当前,理解和建模与洪水甲板相关的关键物理过程存在很大的差距。该项目将提供基于科学的方法来理解和预测极端洪水流和风条件下的结构的洪水甲板损害。这项研究还将由包括研讨会,课程开发和培训演示的教育组成部分完成。该教育计划将旨在对广泛的学生(从高中到研究生)产生积极和可衡量的影响,促进少数群体和代表性不足的群体之间的参与,并将三个参与机构的新研究和不同的文化告知学生,即哥伦比亚大学,哥伦比亚大学,Suny,Stony Brook Cuny City Collect。该奖项将促进国家科学基金会(NSF)在国家风暴影响减少计划(NWIRP)中的角色。这项研究的总体目标是了解和量化与水局结构相互作用相互作用的关键力学过程,包括通过极端流动和风条件驱动的碎屑,与结构碰撞的碎屑以及由此产生的损坏。采用计算流体动力学,计算固体力学和实验室实验的多学科方法将用于实现此目标。特定的研究任务包括:(1)部署“智能碎屑”的创新实验,以研究洪水传播碎屑的风和运输影响及其对结构的影响/损害,(2)新的计算方法和软件,以综合模拟碎屑驱动,影响结构的损伤,对结构的冲击以及对基于物理学的脆弱性损害以及(3)对系统的损害,以及在系统范围内对静脉造成的损害,对系统的影响,对系统的影响,对净化效果,对净化效果,对净化效果,对净化效果,对净化效果。从长远来看,这项研究可能会导致对容易受到洪水和碎屑影响的结构的增强设计和缓解策略,从而通过发展有弹性的海岸线和社区来推动公众的福祉。 Project data will be archived and made publicly available in campus data repositories and in the NSF-supported Natural Hazards Engineering Research Infrastructure Data Depot (https://www.DesignSafe-ci.org).This award reflects NSF's statutory mission and has been Deemed honestly of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

项目成果

期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)

暂无数据

数据更新时间:2024-06-01

Ali Farhadzadeh其他文献

Impacts of soil properties on bluff recession under combined waves and surge actions: An experimental study with uncertainty quantification
  • DOI:
    10.1016/j.oceaneng.2022.112988
    10.1016/j.oceaneng.2022.112988
  • 发表时间:
    2022-12-15
    2022-12-15
  • 期刊:
  • 影响因子:
  • 作者:
    Ali Farhadzadeh;Mahsa Ghazian Arabi;Tao Xiang
    Ali Farhadzadeh;Mahsa Ghazian Arabi;Tao Xiang
  • 通讯作者:
    Tao Xiang
    Tao Xiang
共 1 条
  • 1
前往

Ali Farhadzadeh的其他基金

Collaborative Research: Hybrid Flow-Sediment-Structure Interaction Analysis of Extreme Scour due to Coastal Flooding
合作研究:沿海洪水造成的极端冲刷混合流-泥沙-构造相互作用分析
  • 批准号:
    2050798
    2050798
  • 财政年份:
    2022
  • 资助金额:
    $ 26.71万
    $ 26.71万
  • 项目类别:
    Standard Grant
    Standard Grant
SCC-CIVIC-PG Track A: Human-centric, Data-driven Coastal Flood Resilience Strategies for Economically Disadvantaged Communities on Long Island
SCC-CIVIC-PG 轨道 A:针对长岛经济弱势社区的以人为本、数据驱动的沿海防洪策略
  • 批准号:
    2228490
    2228490
  • 财政年份:
    2022
  • 资助金额:
    $ 26.71万
    $ 26.71万
  • 项目类别:
    Standard Grant
    Standard Grant

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