Quest for Mechanical Rogue Waves in One-dimensional Discrete Lattices

寻找一维离散晶格中的机械流氓波

基本信息

  • 批准号:
    1933729
  • 负责人:
  • 金额:
    $ 43.24万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2019
  • 资助国家:
    美国
  • 起止时间:
    2019-09-01 至 2024-08-31
  • 项目状态:
    已结题

项目摘要

The research objective of this award is to provide the needed knowledge for the formation of rogue waves in mechanical structures. Rogue waves are abnormally large-amplitude waves that appear abruptly and disappear without the trace. Rogue waves in the ocean, often referred to as the ?wall of the water,? have been witnessed by seafarers. However, the existence of such waves that swallow big ships in the ocean has been mythical for a long time. It is only a couple of decades ago that their existence has been verified scientifically. Since then, rogue waves have been a subject of intense research in different media. Nonetheless, the realization of mechanical rogue waves in solids and structures remains elusive to date. The quest for such mechanical rogue waves in engineered lattices constitutes the core of this project. The successful formation of mechanical rogue waves will enable scientists and engineers to focus mechanical energy in an efficient and controllable manner. Thus, the findings from this project can open a new avenue to guiding high-amplitude mechanical wave packets, harvesting ambient mechanical energy, and developing novel sensing/actuation systems. From an engineering standpoint, this new mechanism of mechanical energy control can be applied to aerospace, mechanical, and civil industries, thereby benefiting society. From an educational standpoint, this project will help train young minds, including several underrepresented students, in the field of science and engineering.The manipulation of mechanical energy flow (i.e., mechanical waves) is challenging. Particularly, the controllable localization of mechanical energy demands new technical approaches beyond the utilization of conventional linear elastic wave principles. This project will introduce the concept of rogue wave generation, the focusing mechanism of waves mostly observed in fluidic or optical media, to the mechanical realm. As an analytical guideline, the celebrated nonlinear Schr?dinger equation will be applied to one-dimensional mechanical lattices (i.e., nonlinear spring mass systems like Fermi-Pasta-Ulam-Tsingou lattices). Based on this analysis, computational models of dynamic lattices will be established in a form that facilitate the formation of mechanical rogue waves. Lastly, a prototypical system will be fabricated using 1D discrete lattices. The formation of mechanical rogue waves will be verified by conducting full-field measurements of the prototype?s wave dynamics using action camera-based stereo vision techniques. All components of these analytical, computational, and experimental studies will be integrated into the education and training of participating undergraduate and graduate students.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.
该奖项的研究目标是为机械结构中的流氓波的形成提供所需的知识。流氓波是异常大振幅的波,突然出现并消失得无影无踪。海洋中的巨浪,通常被称为?水之墙,?被海员们看到了。然而,这种在海洋中吞噬大船的波浪的存在长期以来一直是神话。直到几十年前,它们的存在才被科学证实。从那时起,流氓波一直是不同媒体的激烈研究课题。尽管如此,实现机械流氓波在固体和结构仍然难以捉摸的日期。在工程晶格中寻找这种机械流氓波构成了这个项目的核心。机械流氓波的成功形成将使科学家和工程师能够以有效和可控的方式集中机械能。因此,该项目的研究结果可以开辟一条新的途径来引导高振幅机械波包,收集环境机械能,并开发新型传感/致动系统。从工程角度来看,这种机械能控制的新机制可以应用于航空航天,机械和民用工业,从而造福社会。从教育的角度来看,这个项目将有助于培养年轻人的头脑,包括一些代表性不足的学生,在科学和工程领域。机械波)具有挑战性。特别是,机械能的可控定位需要超越传统线性弹性波原理的新技术方法。这个项目将引入流氓波产生的概念,主要在流体或光学介质中观察到的波的聚焦机制,到机械领域。作为分析的指导方针,著名的非线性薛?丁格方程将应用于一维机械晶格(即,非线性弹簧质量系统,如Fermi-Pasta-Ulam-Tsingou晶格)。在此基础上,建立了有利于机械流氓波形成的动力网格计算模型。最后,一个原型系统将使用1D离散晶格制造。机械流氓波的形成将通过进行原型的全场测量来验证?s波动力学使用行动相机为基础的立体视觉技术。这些分析、计算和实验研究的所有组成部分将被整合到参与的本科生和研究生的教育和培训中。该奖项反映了NSF的法定使命,并被认为值得通过使用基金会的智力价值和更广泛的影响审查标准进行评估来支持。

项目成果

期刊论文数量(6)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Data-driven prediction and analysis of chaotic origami dynamics
  • DOI:
    10.1038/s42005-020-00431-0
  • 发表时间:
    2020-02
  • 期刊:
  • 影响因子:
    5.5
  • 作者:
    H. Yasuda;Koshiro Yamaguchi;Yasuhiro Miyazawa;R. Wiebe;J. Raney;Jinkyu Yang
  • 通讯作者:
    H. Yasuda;Koshiro Yamaguchi;Yasuhiro Miyazawa;R. Wiebe;J. Raney;Jinkyu Yang
Graph-theoretic estimation of reconfigurability in origami-based metamaterials
  • DOI:
    10.1016/j.matdes.2021.110343
  • 发表时间:
    2021-07
  • 期刊:
  • 影响因子:
    8.4
  • 作者:
    Koshiro Yamaguchi;H. Yasuda;Kosei Tsujikawa;Takahiro Kunimine;Jinkyu Yang
  • 通讯作者:
    Koshiro Yamaguchi;H. Yasuda;Kosei Tsujikawa;Takahiro Kunimine;Jinkyu Yang
Design of compliant mechanisms for origami metamaterials
  • DOI:
    10.1007/s10409-023-23169-x
  • 发表时间:
    2023-07
  • 期刊:
  • 影响因子:
    3.5
  • 作者:
    Yasuhiro Miyazawa;H. Yasuda;Jinkyu Yang
  • 通讯作者:
    Yasuhiro Miyazawa;H. Yasuda;Jinkyu Yang
Post-fabrication tuning of origami-inspired mechanical metamaterials based on Tachi-Miura Polyhedron
基于 Tachi-Miura 多面体的折纸机械超材料的制造后调整
  • DOI:
    10.1016/j.matdes.2023.112170
  • 发表时间:
    2023
  • 期刊:
  • 影响因子:
    8.4
  • 作者:
    Yamaguchi, Koshiro;Miyazawa, Yasuhiro;Yasuda, Hiromi;Song, Yuyang;Shimokawa, Shinnosuke;Gandhi, Umesh;Yang, Jinkyu
  • 通讯作者:
    Yang, Jinkyu
Leaf-like Origami with Bistability for Self-Adaptive Grasping Motions
  • DOI:
    10.1089/soro.2021.0008
  • 发表时间:
    2020-11
  • 期刊:
  • 影响因子:
    7.9
  • 作者:
    H. Yasuda;Kyle Johnson;Vicente Arroyos;Koshiro Yamaguchi;J. Raney;Jinkyu Yang
  • 通讯作者:
    H. Yasuda;Kyle Johnson;Vicente Arroyos;Koshiro Yamaguchi;J. Raney;Jinkyu Yang
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Jinkyu (JK) Yang其他文献

Jinkyu (JK) Yang的其他文献

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{{ truncateString('Jinkyu (JK) Yang', 18)}}的其他基金

HDR: DIRSE-IL: Collaborative Research: Harnessing data advances in systems biology to design a biological 3D printer: the synthetic coral
HDR:DIRSE-IL:协作研究:利用系统生物学的数据进步来设计生物 3D 打印机:合成珊瑚
  • 批准号:
    1939249
  • 财政年份:
    2019
  • 资助金额:
    $ 43.24万
  • 项目类别:
    Continuing Grant
CAREER: Structure-borne Noise and Vibration Mitigation via Nonlinear Interactions in Phononic Structures
职业:通过声子结构中的非线性相互作用减轻结构噪声和振动
  • 批准号:
    1553202
  • 财政年份:
    2016
  • 资助金额:
    $ 43.24万
  • 项目类别:
    Standard Grant
Novel Solitonic Waveguides Based on Granular Phononic Crystals
基于粒状声子晶体的新型孤子波导
  • 批准号:
    1414748
  • 财政年份:
    2013
  • 资助金额:
    $ 43.24万
  • 项目类别:
    Standard Grant
Novel Solitonic Waveguides Based on Granular Phononic Crystals
基于粒状声子晶体的新型孤子波导
  • 批准号:
    1234452
  • 财政年份:
    2012
  • 资助金额:
    $ 43.24万
  • 项目类别:
    Standard Grant

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Neural-driven, active, and reconfigurable mechanical metamaterials (NARMM)
神经驱动、主动和可重构机械超材料 (NARMM)
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    2024
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