Collaborative Research: Numerical and Probabilistic Modeling of Aboveground Storage Tanks Subjected to Multi-Hazard Storm Events
合作研究:遭受多重灾害风暴事件的地上储罐的数值和概率建模
基本信息
- 批准号:1635115
- 负责人:
- 金额:$ 24万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2016
- 资助国家:美国
- 起止时间:2016-08-15 至 2020-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Aboveground storage tanks (ASTs) used to store hazardous materials, such as crude oil, can suffer major damage in severe storms resulting in spills with catastrophic social, environmental, and economic consequences. Failure of these structures has been attributed to flotation, buckling, or damage from debris. Despite significant evidence of tank vulnerability and consequences of failure, understanding of the mechanisms leading to AST failure under multiple storm-induced hazards (e.g., surge, wave, wind) is limited. This research will address such gaps by providing numerical models that are capable of capturing the complex fluid-structure interaction (FSI) and nonlinear system behavior exhibited by ASTs under multi-hazard loads. Furthermore, probabilistic models of tank performance in severe storms will be developed, filling a major gap in risk assessment of this critical industrial and energy infrastructure. The advanced computational resources and collaboration and analysis tools of the National Science Foundation-supported Natural Hazards Engineering Research Infrastructure (NHERI) cyberinfrastructure, DesignSafe-CI.org, will be utilized and enhanced in this effort. Through this research, open source codes and probabilistic tools will be provided to better understand the public's risk of being exposed to hazardous spills with far reaching environmental and social impacts. To support risk reduction efforts, viable strategies to avoid such spills are investigated and disseminated to relevant stakeholders in addition to the scientific community. Along with the contribution of open source computer models to the natural hazards engineering community, this project will provide training materials and demonstration applications of DesignSafe-CI functionalities that can be used for education and community outreach on cyberinfrastructure-enabled research.This project will harness the synergies of a multi-disciplinary team spanning computational sciences and structural engineering to provide robust numerical models of AST response under multi-flow conditions and to subsequently derive the first models of AST fragility under multiple storm-induced hazards. The project's research and educational objectives include: 1) advanced numerical modeling of FSI with emphasis on surge, wave, and wind impacts on ASTs; 2) derivation of multi-hazard flotation and buckling fragility models for ASTs in the presence of local and global imperfections; 3) case study analysis of a portfolio of tanks with the developed numerical and probabilistic models and dissemination of lessons learned; and 4) development of learning modules on cyberinfrastructure-enabled multi-disciplinary teaming for the natural hazards engineering community. To meet these objectives, open source, multi-physics software will be developed to capture complicated multi-phase flow scenarios and also allow for streamlined analysis of regional storm simulations with localized FSI response modeling. Numerical simulation with the resulting codes will provide new insight into the response of ASTs subjected to surge, wave, and wind and enable sensitivity and fragility analysis for flotation and buckling failure modes across a range of uncertain hazard and structural parameters. Given the computational complexity of simulating associated AST behavior, statistical surrogate models will be derived based on the numerical FSI simulations. This strategy is expected to render efficient limit state analysis for fragility modeling of ASTs feasible for the first time under surge, wave, and wind and address a major gap in risk assessment of ASTs. The resulting parameterized formulations will be amenable to sensitivity analyses and ready application to a portfolio of tank infrastructure, which will be tested through a case study in the Houston, Texas region.
用于储存原油等危险材料的地上储罐 (AST) 在严重风暴中可能会遭受重大损坏,导致泄漏,从而造成灾难性的社会、环境和经济后果。这些结构的失效归因于漂浮、屈曲或碎片损坏。尽管有大量证据表明储罐的脆弱性和故障后果,但对多种风暴诱发的灾害(例如浪涌、波浪、风)下导致 AST 故障的机制的了解仍然有限。这项研究将通过提供能够捕捉复杂的流固耦合 (FSI) 和 AST 在多种危险载荷下表现出的非线性系统行为的数值模型来解决这些差距。此外,还将开发严重风暴中储罐性能的概率模型,填补这一关键工业和能源基础设施风险评估的重大空白。美国国家科学基金会支持的自然灾害工程研究基础设施 (NHERI) 网络基础设施 DesignSafe-CI.org 的先进计算资源以及协作和分析工具将在这项工作中得到利用和增强。通过这项研究,将提供开源代码和概率工具,以更好地了解公众面临危险泄漏的风险,并产生深远的环境和社会影响。为了支持降低风险的工作,我们对避免此类泄漏的可行策略进行了研究,并将其传播给科学界以外的相关利益相关者。除了开源计算机模型对自然灾害工程社区的贡献外,该项目还将提供 DesignSafe-CI 功能的培训材料和演示应用程序,可用于网络基础设施支持研究的教育和社区推广。该项目将利用跨计算科学和结构工程的多学科团队的协同作用,提供多流条件下 AST 响应的稳健数值模型,并 随后推导出多种风暴诱发灾害下 AST 脆弱性的第一个模型。 该项目的研究和教育目标包括:1)先进的 FSI 数值模拟,重点关注浪涌、波浪和风对 AST 的影响; 2)在存在局部和整体缺陷的情况下推导 AST 的多危险浮选和屈曲脆性模型; 3)利用已开发的数值和概率模型对坦克组合进行案例研究分析并传播经验教训; 4) 为自然灾害工程界开发基于网络基础设施的多学科团队学习模块。为了实现这些目标,将开发开源多物理场软件来捕获复杂的多相流场景,并允许通过局部 FSI 响应模型对区域风暴模拟进行简化分析。使用生成的代码进行数值模拟将为 AST 在浪涌、波浪和风作用下的响应提供新的见解,并能够对一系列不确定的危险和结构参数下的浮力和屈曲失效模式进行敏感性和脆弱性分析。考虑到模拟相关 AST 行为的计算复杂性,将基于数值 FSI 模拟导出统计替代模型。 该策略有望首次在浪涌、波浪和风的作用下为 AST 的脆弱性建模提供有效的极限状态分析,并解决 AST 风险评估中的主要差距。由此产生的参数化公式将适合敏感性分析并随时应用于储罐基础设施组合,这将通过德克萨斯州休斯顿地区的案例研究进行测试。
项目成果
期刊论文数量(2)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Laboratory Experiments of Vertical Cylinders Representative of Aboveground Storage Tanks Subjected to Waves
- DOI:10.1061/(asce)st.1943-541x.0002611
- 发表时间:2020-05
- 期刊:
- 影响因子:0
- 作者:C. Bernier;J. Padgett;Yuxiang Lin;Clint N. Dawson;P. Lomónaco;D. Cox
- 通讯作者:C. Bernier;J. Padgett;Yuxiang Lin;Clint N. Dawson;P. Lomónaco;D. Cox
Computational Model for Wave Attenuation by Flexible Vegetation
- DOI:10.1061/(asce)ww.1943-5460.0000487
- 发表时间:2019-01-01
- 期刊:
- 影响因子:2.2
- 作者:Mattis, Steven A.;Kees, Christopher E.;Dawson, Clint N.
- 通讯作者:Dawson, Clint N.
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Clinton Dawson其他文献
Clinton Dawson的其他文献
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{{ truncateString('Clinton Dawson', 18)}}的其他基金
Collaborative Research: Advancing the Data-to-Distribution Pipeline for Scalable Data-Consistent Inversion to Quantify Uncertainties in Coastal Hazards
合作研究:推进数据到分发管道,实现可扩展的数据一致反演,以量化沿海灾害的不确定性
- 批准号:
2208461 - 财政年份:2022
- 资助金额:
$ 24万 - 项目类别:
Standard Grant
PREEVENTS Track 2: Collaborative Research: A Dynamic Unified Framework for Hurricane Storm Surge Analysis and Prediction Spanning across the Coastal Floodplain and Ocean
预防事件轨道 2:协作研究:跨沿海洪泛区和海洋的飓风风暴潮分析和预测的动态统一框架
- 批准号:
1854986 - 财政年份:2019
- 资助金额:
$ 24万 - 项目类别:
Continuing Grant
Collaborative Research: Construction and Analysis of Numerical Methods for Stochastic Inverse Problems with Application to Coastal Hydrodynamics
合作研究:随机反问题数值方法的构建和分析及其在海岸流体动力学中的应用
- 批准号:
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SI2-SSI: Collaborative Research: STORM: A Scalable Toolkit for an Open Community Supporting Near Realtime High Resolution Coastal Modeling
SI2-SSI:协作研究:STORM:支持近实时高分辨率海岸建模的开放社区的可扩展工具包
- 批准号:
1339801 - 财政年份:2014
- 资助金额:
$ 24万 - 项目类别:
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- 批准号:
1217071 - 财政年份:2012
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$ 24万 - 项目类别:
Standard Grant
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合作研究:用于预测沿海海洋建模的数据驱动的逆敏感性分析
- 批准号:
1228243 - 财政年份:2012
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BPC-AE: Collaborative Research: Strengthening and Expanding the Empowering Leadership Alliance
BPC-AE:合作研究:加强和扩大赋权领导力联盟
- 批准号:
0940472 - 财政年份:2010
- 资助金额:
$ 24万 - 项目类别:
Standard Grant
RAPID: Collaborative Research: Extension of the ADCIRC Coastal Circulation Model for Predicting Near Shore and Inner Shore Transport of Oil from the Horizon Oil Spill
RAPID:合作研究:ADCIRC 沿海环流模型的扩展,用于预测地平线漏油中的近岸和内岸石油输送
- 批准号:
1042318 - 财政年份:2010
- 资助金额:
$ 24万 - 项目类别:
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CMG Collaborative Research: Simulation of Wave-Current Interaction Using Novel, Coupled Non-Phase and Phase Resolving Wave and Current Models
CMG 合作研究:使用新型耦合非相位和相位解析波流模型模拟波流相互作用
- 批准号:
1025561 - 财政年份:2010
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合作研究:耦合波、海流、泥沙输送和形态演化的计算方法
- 批准号:
0915223 - 财政年份:2009
- 资助金额:
$ 24万 - 项目类别:
Continuing Grant
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