EAGER/Collaborative Research: Switching Structures at the Intersection of Mechanics and Networks

EAGER/协作研究:力学和网络交叉点的切换结构

基本信息

  • 批准号:
    2306824
  • 负责人:
  • 金额:
    $ 15万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2023
  • 资助国家:
    美国
  • 起止时间:
    2023-06-01 至 2025-05-31
  • 项目状态:
    未结题

项目摘要

This EArly-concept Grant for Exploratory Research (EAGER) will support research at the intersection of structural mechanics and network theory. Switching structures -- systems made of bars connected via pin-joints, where some of the bars can be dynamically switched ON and OFF -- will be introduced to engineer load-bearing structural systems that emulate the complex behavior of switching networks, where edges connecting the nodes evolve, adapt, switch, and blink. Switching networks are known to exhibit exotic dynamics; for example, at select switching frequencies, networks switching between unstable states can gain stability. This rich dynamic repertoire opens interesting opportunities in structural engineering. For example, can one create structural systems that, due to the presence of switching elements, can recover stability as they are about to collapse? Can one leverage the time-varying properties of switching structures for vibration attenuation? The answer to these questions requires the development of new fundamental knowledge about switching structures. The research will develop new knowledge by blending the disciplines of structural mechanics and network theory, and by identifying common modeling tools between them. In turn, this knowledge will allow to assess the potential applicability of switching structures in structural engineering and beyond. Just as structural mechanics can be transformed by network-theoretic advancements, network theory could immensely benefit from the creation of mechanical systems that can be used to validate network-theoretic conjectures. The educational activities are also at the intersection of networks and structures and leverage the contrasting identities of the institutions involved (public and private, suburban and urban, yet merely 50 miles away from each other) to help broaden participation of underrepresented groups in research and contribute to the formation of forward-thinking, interdisciplinary engineers. The primary objective of this project is to establish a network-theoretic framework to study switching structures. Such an objective will be achieved by formulating a mathematical backdrop of switching structures, which recognizes some of the attributes that make them unique among other network systems. This mathematical backdrop, together with finite-element simulations, will be used to chart the stability of switching structures, and their response to static loads. These theoretical endeavors will allow to unveil the origin of islands of stable behavior at intermediate time scales that have been recently observed in switching networks, but whose physical underpinnings are not yet fully understood, Finally, this project will provide significant steps towards exploring the feasibility of switching structures, by realizing tabletop-scale prototypes.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.
EARLY概念探索性研究补助金(EAGER)将支持结构力学和网络理论的交叉研究。开关结构-由通过销连接的杆组成的系统,其中一些杆可以动态地打开和关闭-将被引入到工程承载结构系统中,该系统模拟开关网络的复杂行为,其中连接节点的边缘进化,适应,切换和闪烁。开关网络表现出奇异的动态特性;例如,在选择的开关频率下,在不稳定状态之间切换的网络可以获得稳定性。这种丰富的动态曲目在结构工程中打开了有趣的机会。例如,人们能否创造出一种结构系统,由于开关元件的存在,它可以在即将崩溃时恢复稳定性?人们能否利用开关结构的时变特性来实现振动衰减?这些问题的答案需要发展新的基本知识开关结构。这项研究将通过融合结构力学和网络理论的学科,并通过确定它们之间的共同建模工具来开发新的知识。反过来,这方面的知识将允许评估开关结构在结构工程和超越的潜在适用性。正如结构力学可以被网络理论的进步所改变一样,网络理论也可以从创建可用于验证网络理论结构的机械系统中受益匪浅。教育活动也是在网络和结构的交叉点,并利用所涉及的机构(公共和私人,郊区和城市,但彼此只有50英里远)的对比身份,以帮助扩大在研究中代表性不足的群体的参与,并有助于形成前瞻性思维,跨学科的工程师。本计画的主要目标是建立一个网路理论架构来研究交换结构。这样一个目标将通过制定一个数学背景下的交换结构,它认识到一些属性,使他们独特的其他网络系统。这个数学背景,连同有限元模拟,将被用来绘制开关结构的稳定性,以及它们对静态负载的响应。这些理论上的努力将允许揭示最近在开关网络中观察到的中间时间尺度上的稳定行为岛的起源,但其物理基础尚未完全理解,最后,该项目将为探索开关结构的可行性提供重要步骤,该奖项反映了NSF的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。

项目成果

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Maurizio Porfiri其他文献

Leader-Follower Density Control of Spatial Dynamics in Large-Scale Multi-Agent Systems
大规模多智能体系统中空间动力学的领导者-跟随者密度控制
  • DOI:
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Gian Carlo Maffettone;A. Boldini;Maurizio Porfiri;M. D. Bernardo
  • 通讯作者:
    M. D. Bernardo
Erratum to: Collective Dynamics in the Vicsek and Vectorial Network Models Beyond Uniform Additive Noise
  • DOI:
    10.1007/s00332-016-9284-y
  • 发表时间:
    2016-02-01
  • 期刊:
  • 影响因子:
    2.600
  • 作者:
    Violet Mwaffo;Ross P. Anderson;Maurizio Porfiri
  • 通讯作者:
    Maurizio Porfiri
Automating the assessment of wrist motion in telerehabilitation with haptic devices
使用触觉设备自动评估远程康复中的手腕运动
Detecting impaired movements of stroke patients in bimanual training from motion sensor data
根据运动传感器数据检测中风患者在双手训练中运动受损的情况
Adapting to the Abyss: Passive Ventilation in the Deep-Sea Glass Sponge Euplectella aspergillum.
适应深渊:深海玻璃海绵 Euplectella aspergillum 的被动通风。
  • DOI:
    10.1103/physrevlett.132.208402
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    8.6
  • 作者:
    G. Falcucci;G. Amati;Gino Bella;A. Facci;V. Krastev;G. Polverino;S. Succi;Maurizio Porfiri
  • 通讯作者:
    Maurizio Porfiri

Maurizio Porfiri的其他文献

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{{ truncateString('Maurizio Porfiri', 18)}}的其他基金

RAPID/Collaborative Research: Agent-based Modeling Toward Effective Testing and Contact-tracing During the COVID-19 Pandemic
快速/协作研究:基于代理的建模,以在 COVID-19 大流行期间实现有效的测试和接触者追踪
  • 批准号:
    2027990
  • 财政年份:
    2020
  • 资助金额:
    $ 15万
  • 项目类别:
    Standard Grant
LEAP-HI: Understanding and Engineering the Ecosystem of Firearms: Prevalence, Safety, and Firearm-Related Harms
LEAP-HI:了解和设计枪支生态系统:流行性、安全性和枪支相关危害
  • 批准号:
    1953135
  • 财政年份:
    2020
  • 资助金额:
    $ 15万
  • 项目类别:
    Standard Grant
How and Why Fish School: An Information-theoretic Analysis of Coordinated Swimming
鱼群的方式和原因:协调游泳的信息论分析
  • 批准号:
    1901697
  • 财政年份:
    2019
  • 资助金额:
    $ 15万
  • 项目类别:
    Standard Grant
Network-based Modeling of Infectious Disease Epidemics in a Mobile Population: Strengthening Preparedness and Containment
基于网络的流动人口传染病流行模型:加强防备和遏制
  • 批准号:
    1561134
  • 财政年份:
    2016
  • 资助金额:
    $ 15万
  • 项目类别:
    Standard Grant
Transforming Robot-mediated Telerehabilitation: Citizen Science for Rehabilitation
改变机器人介导的远程康复:康复公民科学
  • 批准号:
    1604355
  • 财政年份:
    2016
  • 资助金额:
    $ 15万
  • 项目类别:
    Standard Grant
EAGER: Reliable Data from Heterogeneous Groups of Citizen Scientists
EAGER:来自不同公民科学家群体的可靠数据
  • 批准号:
    1644828
  • 财政年份:
    2016
  • 资助金额:
    $ 15万
  • 项目类别:
    Standard Grant
CDS&E: Modeling the Zebrafish Model Organism Toward Reducing, Refining, and Replacing Animal Experiments
CDS
  • 批准号:
    1505832
  • 财政年份:
    2015
  • 资助金额:
    $ 15万
  • 项目类别:
    Standard Grant
EAGER: Dynamics of collaboration between humans and engineered systems: system design for collective expertise
EAGER:人类与工程系统之间的协作动态:集体专业知识的系统设计
  • 批准号:
    1547864
  • 财政年份:
    2015
  • 资助金额:
    $ 15万
  • 项目类别:
    Standard Grant
Causal Relationships Underlying the Collective Dynamic Behavior of Swarms
群体集体动态行为背后的因果关系
  • 批准号:
    1433670
  • 财政年份:
    2014
  • 资助金额:
    $ 15万
  • 项目类别:
    Standard Grant
Particle Image Baro-Velocimetry (PIBV): simultaneous measurement of pressure and velocity in fluids
粒子图像气压测速 (PIBV):同时测量流体中的压力和速度
  • 批准号:
    1332204
  • 财政年份:
    2013
  • 资助金额:
    $ 15万
  • 项目类别:
    Standard Grant

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  • 批准号:
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