Stochastic Structural Stability
随机结构稳定性
基本信息
- 批准号:0528318
- 负责人:
- 金额:$ 38.97万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2005
- 资助国家:美国
- 起止时间:2005-09-15 至 2009-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
STOCHASTIC STRUCTURAL STABILITYL. Graham-Brady & B. Schafer0528318 Loss of stability in structures is an area of structural behavior where we have long known the important role that randomness plays in the safety of our constructions. In design, a variety of empirical approaches to these "imperfection sensitive" structures have been employed, but these approaches lack a reasonable connection to the true physics of stability loss in structures with inherent uncertainty. This project addresses the stochastic buckling and post-buckling response of two basic building blocks for structures: beams and plates. The work will be combined in a computational and experimental effort to explore the sensitivity of a slender frame comprised of thin-walled members. This work opens up a new avenue of research on coupled instabilities, where surprisingly little is formalized in the deterministic solution, and even less in a stochastic framework. This project is the foundation for a new collaboration at Johns Hopkins University that combines expertise in stochastic modeling with that in structural stability and design. The application of stochastic mechanics to structural stability provides a means to quantify the influence of uncertainty and randomness on stability-critical structural systems. With this knowledge, society's structures can be made both safer and more efficient. This new collaboration will be leveraged to develop a new graduate course in stochastic structural stability and to provide training for 2 graduate and an undergraduate student.
随机结构稳定性。结构稳定性的丧失是结构行为的一个领域,我们早就知道随机性在我们的结构安全中起着重要的作用。在设计中,对这些“不完美敏感”结构采用了各种经验方法,但这些方法缺乏与具有固有不确定性的结构中稳定性损失的真实物理的合理联系。本项目研究了梁和板两种基本构件的随机屈曲和后屈曲响应。这项工作将结合计算和实验的努力来探索由薄壁构件组成的细长框架的灵敏度。这项工作开辟了耦合不稳定性研究的新途径,令人惊讶的是,在确定性解决方案中几乎没有形式化,在随机框架中甚至更少。该项目是约翰霍普金斯大学新合作的基础,该合作结合了随机建模与结构稳定性和设计方面的专业知识。随机力学在结构稳定性中的应用提供了一种量化不确定性和随机性对临界稳定结构系统影响的方法。有了这些知识,社会结构就可以变得更安全、更有效。这项新的合作将用于开发一门新的随机结构稳定性研究生课程,并为2名研究生和1名本科生提供培训。
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)
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Lori Graham-Brady其他文献
Correction: Materials laboratories of the future for alloys, amorphous, and composite materials
- DOI:
10.1557/s43577-025-00884-0 - 发表时间:
2025-02-28 - 期刊:
- 影响因子:4.900
- 作者:
Sarbajit Banerjee;Y. Shirley Meng;Andrew M. Minor;Minghao Zhang;Nestor J. Zaluzec;Maria K.Y. Chan;Gerald Seidler;David W. McComb;Joshua Agar;Partha P. Mukherjee;Brent Melot;Karena Chapman;Beth S. Guiton;Robert F. Klie;Ian D. McCue;Paul M. Voyles;Ian Robertson;Ling Li;Miaofang Chi;Joel F. Destino;Arun Devaraj;Emmanuelle A. Marquis;Carlo U. Segre;Huinan H. Liu;Judith C. Yang;Kasra Momeni;Amit Misra;Niaz Abdolrahim;Julia E. Medvedeva;Wenjun Cai;Alp Sehirlioglu;Melike Dizbay-Onat;Apurva Mehta;Lori Graham-Brady;Benji Maruyama;Krishna Rajan;Jamie H. Warner;Mitra L. Taheri;Sergei V. Kalinin;B. Reeja-Jayan;Udo D. Schwarz;Sindee L. Simon;Craig M. Brown - 通讯作者:
Craig M. Brown
Effect of sample size on the maximum value distribution of fatigue driving forces in metals and alloys
- DOI:
10.1016/j.ijfatigue.2023.107853 - 发表时间:
2023-11-01 - 期刊:
- 影响因子:
- 作者:
Mohammadreza Yaghoobi;Krzysztof S Stopka;David L McDowell;Lori Graham-Brady;Kirubel Teferra - 通讯作者:
Kirubel Teferra
Review of the concept of variability response function and its application in stochastic systems
变异性响应函数概念的回顾及其在随机系统中的应用
- DOI:
10.1016/j.ress.2025.111180 - 发表时间:
2025-12-01 - 期刊:
- 影响因子:11.000
- 作者:
George Deodatis;Sanjay Arwade;Lori Graham-Brady;Kirubel Teferra - 通讯作者:
Kirubel Teferra
Materials laboratories of the future for alloys, amorphous, and composite materials
- DOI:
10.1557/s43577-024-00846-y - 发表时间:
2025-01-29 - 期刊:
- 影响因子:4.900
- 作者:
Sarbajit Banerjee;Y. Shirley Meng;Andrew M. Minor;Minghao Zhang;Nestor J. Zaluzec;Maria K.Y. Chan;Gerald Seidler;David W. McComb;Joshua Agar;Partha P. Mukherjee;Brent Melot;Karena Chapman;Beth S. Guiton;Robert F. Klie;Ian D. McCue;Paul M. Voyles;Ian Robertson;Ling Li;Miaofang Chi;Joel F. Destino;Arun Devaraj;Emmanuelle A. Marquis;Carlo U. Segre;Huinan H. Liu;Judith C. Yang;Kasra Momeni;Amit Misra;Niaz Abdolrahim;Julia E. Medvedeva;Wenjun Cai;Alp Sehirlioglu;Melike Dizbay-Onat;Apurva Mehta;Lori Graham-Brady;Benji Maruyama;Krishna Rajan;Jamie H. Warner;Mitra L. Taheri;Sergei V. Kalinin;B. Reeja-Jayan;Udo D. Schwarz;Sindee L. Simon;Craig M. Brown - 通讯作者:
Craig M. Brown
Data-driven prediction of extreme value distributions of finite-length random processes with application to fiber strength statistics
- DOI:
10.1016/j.cma.2024.117431 - 发表时间:
2024-12-01 - 期刊:
- 影响因子:
- 作者:
Lori Graham-Brady;Jamey Hogarth;Iason Papaioannou - 通讯作者:
Iason Papaioannou
Lori Graham-Brady的其他文献
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{{ truncateString('Lori Graham-Brady', 18)}}的其他基金
Collaborative Research Strain-rate Dependent Properties of Cement-Based Materials: A Multi-Scale Experimental and Modeling Effort
水泥基材料的应变率相关特性的协作研究:多尺度实验和建模工作
- 批准号:
0969972 - 财政年份:2010
- 资助金额:
$ 38.97万 - 项目类别:
Standard Grant
IGERT: Modeling Complex Systems - The Scientific Basis of Coupling Multi-Physics Models at Different Scales
IGERT:复杂系统建模 - 不同尺度下多物理模型耦合的科学基础
- 批准号:
0801471 - 财政年份:2008
- 资助金额:
$ 38.97万 - 项目类别:
Continuing Grant
Workshop: Probability and Materials - from Nano- to Macro-Scale
研讨会:概率与材料 - 从纳米到宏观
- 批准号:
0352038 - 财政年份:2003
- 资助金额:
$ 38.97万 - 项目类别:
Standard Grant
Collaborative Research: Theoretical, Experimental, and Stochastic Multi-Scale Analysis of Concrete
协作研究:混凝土的理论、实验和随机多尺度分析
- 批准号:
0301495 - 财政年份:2003
- 资助金额:
$ 38.97万 - 项目类别:
Standard Grant
COLLABORATIVE RESEARCH: Analysis and design of material microstructure using stochastic simulation techniques
合作研究:使用随机模拟技术分析和设计材料微观结构
- 批准号:
0084533 - 财政年份:2000
- 资助金额:
$ 38.97万 - 项目类别:
Standard Grant
PECASE: Micro-Scale Based Reliability Analysis of Mechanical and Flow-Related Behavior of Heterogeneous Materials for Macro-Scale Infrastructure and Geotechnical Applications
PECASE:针对宏观基础设施和岩土应用的异种材料的机械和流动相关行为的基于微尺度的可靠性分析
- 批准号:
0049067 - 财政年份:2000
- 资助金额:
$ 38.97万 - 项目类别:
Standard Grant
PECASE: Micro-Scale Based Reliability Analysis of Mechanical and Flow-Related Behavior of Heterogeneous Materials for Macro-Scale Infrastructure and Geotechnical Applications
PECASE:针对宏观基础设施和岩土应用的异种材料的机械和流动相关行为的基于微尺度的可靠性分析
- 批准号:
9875516 - 财政年份:1999
- 资助金额:
$ 38.97万 - 项目类别:
Standard Grant
Influence of Random Microstructure on Stress Concentrations in Functionally Graded Composites
功能梯度复合材料中随机微观结构对应力集中的影响
- 批准号:
9812992 - 财政年份:1998
- 资助金额:
$ 38.97万 - 项目类别:
Standard Grant
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