EFRI NewLAW: Topological Mechanical Metamaterials Science
EFRI NewLAW:拓扑机械超材料科学
基本信息
- 批准号:1741685
- 负责人:
- 金额:$ 200万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2017
- 资助国家:美国
- 起止时间:2017-09-01 至 2023-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
One of the grand challenges in engineering, physics, and materials science is the ability to design materials with properties that do not occur in natural systems. Mechanical metamaterials attempt to achieve this by building an aggregate system out of linear or nonlinear components, that collectively exhibit material properties and functionalities that differ from, and surpass those of, their constituent materials. However, their functionality is typically compromised by defects and imperfections, which are unavoidable in real world applications. This begs the question of whether a new paradigm exists, whereby a new class of building blocks and interactions enables the design of materials that are robust to imperfections and that are characterized by new functionalities. These studies will demonstrate that concepts from topology provide an organizing principle that gives rise to a wide range of impurity-immune phenomena in areas such as wave guiding, structural stability, and fracture. The project findings will have implications for the design and fabrication of mechanical energy control systems and devices whose operation relies on wave focusing, amplification, localization and attenuation. These include ultrasonic acoustic transducers, sonars, noise absorbing or enhancing devices, and material systems for vibration filtering and impact/blast protection. The objectives of the project will be achieved through the collaboration of a team that combines experts in topological mechanical metamaterials, experimental wave dynamics, linear and nonlinear wave propagation, condensed matter physics and mathematics. This multi-disciplinary approach to research is rich in opportunities for outreach and for broadening participation of underrepresented groups in engineering and science. For example, outreach programs to underrepresented groups will be organized in collaboration with the Museum of Science and Industry in Chicago. This project investigates topological mechanical metamaterials that challenge classical notions in mechanics such as reciprocity, time reversal symmetry and sensitivity to defects. The objective is to investigate their fundamental properties, such as the existence of topological modes in ordered, disordered and amorphous systems, the effects of nonlinearities, as well as energy transport in the bulk. Guided by these studies, the research team will then explore the engineering implications of topological mechanical metamaterials, focusing on wave guiding, structural stability and fracture. These investigations will be conducted on novel experimental platforms ranging from gyroscopic systems as proof-of-concepts, to newly designed continuous systems that have potential for material/structural system development. The research is expected to enable functionalities that shift the paradigm in which dynamic control devices and materials are designed. The team's unique strengths in theory, simulation and experiments provide the combination of skills that are essential for the successful execution of this ambitious research program.
工程、物理和材料科学面临的巨大挑战之一是设计具有自然系统中不存在的特性的材料的能力。机械超材料试图通过建立一个由线性或非线性组件组成的聚合系统来实现这一目标,这些组件共同表现出不同于或超越其组成材料的材料特性和功能。然而,它们的功能通常受到缺陷和不完善的影响,这在现实世界的应用程序中是不可避免的。这就引出了一个问题,即是否存在一种新的范例,即一种新的构建模块和相互作用,能够设计出对缺陷具有鲁棒性并具有新功能的材料。这些研究将证明,拓扑学的概念提供了一种组织原理,在诸如波浪引导、结构稳定性和断裂等领域产生了广泛的杂质免疫现象。该项目的研究结果将对机械能控制系统和设备的设计和制造产生影响,这些系统和设备的操作依赖于波聚焦、放大、定位和衰减。这些包括超声波换能器,声纳,噪声吸收或增强装置,以及用于振动过滤和冲击/爆炸保护的材料系统。该项目的目标将通过一个由拓扑机械超材料、实验波动力学、线性和非线性波传播、凝聚态物理和数学专家组成的团队的合作来实现。这种多学科的研究方法为工程和科学领域代表性不足的群体提供了丰富的拓展和扩大参与的机会。例如,将与芝加哥科学与工业博物馆合作,组织面向代表性不足群体的外展项目。该项目研究了挑战力学经典概念的拓扑力学超材料,如互易性、时间反转对称性和对缺陷的敏感性。目的是研究它们的基本性质,如有序、无序和非晶系统中拓扑模式的存在,非线性的影响,以及体中的能量输运。在这些研究的指导下,研究小组将探索拓扑机械超材料的工程意义,重点是导波、结构稳定性和断裂。这些研究将在新的实验平台上进行,从陀螺仪系统作为概念验证,到新设计的具有材料/结构系统开发潜力的连续系统。这项研究有望实现改变动态控制装置和材料设计范式的功能。该团队在理论,模拟和实验方面的独特优势为成功执行这一雄心勃勃的研究计划提供了必要的技能组合。
项目成果
期刊论文数量(40)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Topological Solitons Make Metamaterials Crawl
- DOI:10.1103/physrevapplied.17.014004
- 发表时间:2022-01-04
- 期刊:
- 影响因子:4.6
- 作者:Deng,Bolei;Zanaty,Mohamed;Bertoldi,Katia
- 通讯作者:Bertoldi,Katia
Topological Transition in Spiral Elastic Valley Metamaterials
- DOI:10.1103/physrevapplied.15.014058
- 发表时间:2021-01-28
- 期刊:
- 影响因子:4.6
- 作者:Li, Shuaifeng;Yang, Jinkyu
- 通讯作者:Yang, Jinkyu
Rectification in Nonequilibrium Parity Violating Metamaterials
违反非平衡宇称超材料的纠正
- DOI:10.1103/physrevx.10.021036
- 发表时间:2020
- 期刊:
- 影响因子:12.5
- 作者:Liao, Zhenghan;Irvine, William T.;Vaikuntanathan, Suriyanarayanan
- 通讯作者:Vaikuntanathan, Suriyanarayanan
Elastic Weyl Points and Surface Arc States in Three-Dimensional Structures
- DOI:10.1103/physrevapplied.12.024058
- 发表时间:2019-08
- 期刊:
- 影响因子:4.6
- 作者:Xiaotian Shi;R. Chaunsali;Feng Li;Jinkyu Yang
- 通讯作者:Xiaotian Shi;R. Chaunsali;Feng Li;Jinkyu Yang
Edge states and topological pumping in stiffness-modulated elastic plates
- DOI:10.1103/physrevb.101.094307
- 发表时间:2019-11
- 期刊:
- 影响因子:3.7
- 作者:E. Riva;M. Rosa;M. Ruzzene
- 通讯作者:E. Riva;M. Rosa;M. Ruzzene
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Katia Bertoldi其他文献
Triggering of transition waves by the collision of solitons or breathers in bistable mechanical metamaterials
双稳态机械超材料中孤子或呼吸器碰撞触发过渡波
- DOI:
- 发表时间:
2023 - 期刊:
- 影响因子:0
- 作者:
Vincent Tournat;Apostolos Paliovaios;Vassos Achilleos;Georgios Theocharis;Hiromi Yasuda;Hang Shu;Weijian Jiao;Jordan Raney;Katia Bertoldi - 通讯作者:
Katia Bertoldi
Flexible mechanical metamaterials
柔性机械超材料
- DOI:
10.1038/natrevmats.2017.66 - 发表时间:
2017-10-17 - 期刊:
- 影响因子:86.200
- 作者:
Katia Bertoldi;Vincenzo Vitelli;Johan Christensen;Martin van Hecke - 通讯作者:
Martin van Hecke
Katia Bertoldi的其他文献
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{{ truncateString('Katia Bertoldi', 18)}}的其他基金
Collaborative Research: Programming Non-Linear Waves in Compliant Mechanical Metamaterials
合作研究:在顺应机械超材料中编程非线性波
- 批准号:
2041440 - 财政年份:2021
- 资助金额:
$ 200万 - 项目类别:
Standard Grant
DMREF: Hydrogel-actuated cellular soft robotic materials with programmable mechanical properties
DMREF:具有可编程机械性能的水凝胶驱动的细胞软机器人材料
- 批准号:
1922321 - 财政年份:2019
- 资助金额:
$ 200万 - 项目类别:
Standard Grant
DMREF: Biologically Inspired Optimized Materials And Technologies Transformed by Evolutionary Rules (BIOMATTER)
DMREF:通过进化规则转变的受生物启发的优化材料和技术 (BIOMATTER)
- 批准号:
1533985 - 财政年份:2015
- 资助金额:
$ 200万 - 项目类别:
Standard Grant
CAREER: BuckliOrigami: Soft, Active and Foldable Structures Through Instabilities and Large Deformation
职业:BuckliOrigami:通过不稳定和大变形实现柔软、活动和可折叠的结构
- 批准号:
1149456 - 财政年份:2012
- 资助金额:
$ 200万 - 项目类别:
Standard Grant
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