Literatura científica selecionada sobre o tema "Flexible mechanical metamaterials"

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Artigos de revistas sobre o assunto "Flexible mechanical metamaterials"

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Zhai, Zirui, Yong Wang, and Hanqing Jiang. "Origami-inspired, on-demand deployable and collapsible mechanical metamaterials with tunable stiffness." Proceedings of the National Academy of Sciences 115, no. 9 (2018): 2032–37. http://dx.doi.org/10.1073/pnas.1720171115.

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Origami has been employed to build deployable mechanical metamaterials through folding and unfolding along the crease lines. Deployable metamaterials are usually flexible, particularly along their deploying and collapsing directions, which unfortunately in many cases leads to an unstable deployed state, i.e., small perturbations may collapse the structure along the same deployment path. Here we create an origami-inspired mechanical metamaterial with on-demand deployability and selective collapsibility through energy analysis. This metamaterial has autonomous deployability from the collapsed st
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Zheng, Xiaoyang, Koichiro Uto, Wei-Hsun Hu, Ta-Te Chen, Masanobu Naito, and Ikumu Watanabe. "Reprogrammable flexible mechanical metamaterials." Applied Materials Today 29 (December 2022): 101662. http://dx.doi.org/10.1016/j.apmt.2022.101662.

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Yasuda, Hiromi, Hang Shu, Weijian Jiao, Vincent Tournat, and Jordan Raney. "Collisions of nonlinear waves in flexible mechanical metamaterials." Journal of the Acoustical Society of America 151, no. 4 (2022): A41. http://dx.doi.org/10.1121/10.0010592.

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Flexible mechanical metamaterials are compliant structures designed to achieve desired mechanical properties via large deformation or rotation of their components. While their static properties (such as Poisson’s ratio) have been studied extensively, much less work has been done on their dynamic properties, especially nonlinear dynamic properties induced by large movement of internal components. Here, we examine the nonlinear dynamic response arising from impact loading of mechanical materials that consist of 1D and 2D arrangements of rotating squares, which leads to formation of solitons. Per
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Jin, Eunji, In Seong Lee, Dongwook Kim, et al. "Metal-organic framework based on hinged cube tessellation as transformable mechanical metamaterial." Science Advances 5, no. 5 (2019): eaav4119. http://dx.doi.org/10.1126/sciadv.aav4119.

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Mechanical metamaterials exhibit unusual properties, such as negative Poisson’s ratio, which are difficult to achieve in conventional materials. Rational design of mechanical metamaterials at the microscale is becoming popular partly because of the advance in three-dimensional printing technologies. However, incorporating movable building blocks inside solids, thereby enabling us to manipulate mechanical movement at the molecular scale, has been a difficult task. Here, we report a metal-organic framework, self-assembled from a porphyrin linker and a new type of Zn-based secondary building unit
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Zhang, Zhan, Christopher Brandt, Jean Jouve, et al. "Computational Design of Flexible Planar Microstructures." ACM Transactions on Graphics 42, no. 6 (2023): 1–16. http://dx.doi.org/10.1145/3618396.

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Mechanical metamaterials enable customizing the elastic properties of physical objects by altering their fine-scale structure. A broad gamut of effective material properties can be produced even from a single fabrication material by optimizing the geometry of a periodic microstructure tiling. Past work has extensively studied the capabilities of microstructures in the small-displacement regime, where periodic homogenization of linear elasticity yields computationally efficient optimal design algorithms. However, many applications involve flexible structures undergoing large deformations for wh
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Dykstra, David M. J., Shahram Janbaz, and Corentin Coulais. "The extreme mechanics of viscoelastic metamaterials." APL Materials 10, no. 8 (2022): 080702. http://dx.doi.org/10.1063/5.0094224.

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Mechanical metamaterials made of flexible building blocks can exhibit a plethora of extreme mechanical responses, such as negative elastic constants, shape-changes, programmability, and memory. To date, dissipation has largely remained overlooked for such flexible metamaterials. As a matter of fact, extensive care has often been devoted in the constitutive materials’ choice to avoid strong dissipative effects. However, in an increasing number of scenarios, where metamaterials are loaded dynamically, dissipation cannot be ignored. In this Research Update, we show that the interplay between mech
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Deng, B., J. R. Raney, K. Bertoldi, and V. Tournat. "Nonlinear waves in flexible mechanical metamaterials." Journal of Applied Physics 130, no. 4 (2021): 040901. http://dx.doi.org/10.1063/5.0050271.

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Rafsanjani, Ahmad, Katia Bertoldi, and André R. Studart. "Programming soft robots with flexible mechanical metamaterials." Science Robotics 4, no. 29 (2019): eaav7874. http://dx.doi.org/10.1126/scirobotics.aav7874.

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Wu, Lingling, Bo Li, and Ji Zhou. "Enhanced thermal expansion by micro-displacement amplifying mechanical metamaterial." MRS Advances 3, no. 8-9 (2018): 405–10. http://dx.doi.org/10.1557/adv.2018.217.

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ABSTRACTIt is important to achieve materials with large coefficient of thermal expansion in science and engineering applications. In this paper, we propose an experimentally-validated metamaterial approach to amplify the thermal expansion of materials based on the guiding principles of flexible hinges and displacement amplification mechanism. The thermal expansion property of the designed metamaterial is demonstrated by simulation and experiment with a temperature increase of 245 K for the two-dimensional sample. Both experimental and simulation results display amplified thermal expansion prop
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Slobozhanyuk, Alexey P., Mikhail Lapine, David A. Powell, et al. "Flexible Helices for Nonlinear Metamaterials." Advanced Materials 25, no. 25 (2013): 3409–12. http://dx.doi.org/10.1002/adma.201300840.

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Teses / dissertações sobre o assunto "Flexible mechanical metamaterials"

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Demiquel, Antoine. "Control of nonlinear modulated waves in flexible mechanical metamaterials." Electronic Thesis or Diss., Le Mans, 2024. https://cyberdoc-int.univ-lemans.fr/Theses/2024/2024LEMA1015.pdf.

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Ce travail est consacré à l'étude des ondes modulées se propageant le long de métamatériaux mécaniques flexibles nonlinéaires (FlexMM). Ces structures sont des matériaux architecturés constitués d'éléments souples très déformables connectés à des éléments plus rigides. Leur capacité à subir de grandes déformations locales favorise l'apparition de phénomènes d'ondes non linéaires. En utilisant une approche par éléments discrets, nous formulons des équations discrètes non linéaires qui décrivent les déplacements longitudinaux et rotationnels de chaque cellule unitaire et leur couplage mutuel. Un
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Nick, Zachary H. "Foundations for Smart Metamaterials by Liquid Metal Digital Logic and Magnetoelastic Properties Control." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1587669303938667.

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(9006635), Debkalpa Goswami. "Design and Manufacturing of Flexible Optical and Mechanical Metamaterials." Thesis, 2020.

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<p>Metamaterials are artificially structured materials which attain their unconventional macroscopic properties from their cellular configuration rather than their constituent chemical composition. The judicious design of this cellular structure opens the possibility to program and control the optical, mechanical, acoustic, or thermal responses of metamaterials. This Ph.D. dissertation focuses on scalable design and manufacturing strategies for optical and mechanical metamaterials.<br> <br> </p> <p>The fabrication of optical metamaterials still relies heavily on low-throughput process such as
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(10716684), Bongjoong Kim. "ADDITIVE MANUFACTURING TECHNOLOGIES FOR FLEXIBLE OPTICAL AND BIOMEDICAL SYSTEMS." Thesis, 2021.

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<p>Advances in additive manufacturing technologies enable the rapid, high-throughput generation of mechanically soft microelectromechanical devices with tailored designs for many applications spanning from optical to biomedical applications. These devices can be softly interfaced with biological tissues and mechanically fragile systems, which enables to open up a whole new range of applications. However, the scalable production of these devices faces a significant challenge due to the complexity of the microfabrication process and the intolerable thermal, chemical, and mechanical conditions of
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Capítulos de livros sobre o assunto "Flexible mechanical metamaterials"

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Rimoli, Julian J., Kévin Garanger, and Franco Ruffini. "Flexible Tensegrity Structures: From Space Applications to 3D Tensegrity Metamaterials." In CISM International Centre for Mechanical Sciences. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-82283-4_5.

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Qi, Wu, Wang Zhigang, Yang Yu, Lu Yifei, and Bao Panpan. "Design and Analysis of Distributed Variable Thickness Wing Structure." In Advances in Transdisciplinary Engineering. IOS Press, 2025. https://doi.org/10.3233/atde250024.

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Intelligent variant aircraft is an important development trend in the future aerospace field, which is of great significance to improve the comprehensive performance of aircraft. Most of the current deformable wing schemes are mainly mechanical or rigid-flexible coupled mechanisms, but it is difficult to meet the practical engineering needs in terms of continuous deformation and load bearing at multiple target points. Intelligent deformed wing based on mechanical metamaterial structure and traditional driving mechanism is the easiest and most potential scheme at present. In view of this, a lig
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Trabalhos de conferências sobre o assunto "Flexible mechanical metamaterials"

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Zhang, Qianyun, Kaveh Barri, Zhong Lin Wang, and Amir H. Alavi. "Digital Information Storage Mechanical Metamaterials." In ASME 2022 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/smasis2022-90268.

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Abstract Information storage is an important functionality to produce a sense-decide-respond loop in active mechanical metamaterial systems. Here, we propose a new class of mechanical metamaterials with self-powered digital information storage capability. In the so-called mechanically-responsive data storage metamaterials, data is incorporated into a set of self-recovering unit cells that form the material lattice. As the metamaterial structure is loaded, the cells in each layer generate electrical signals that are coded as binary bits to represent the stored data. We show how the proposed des
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Yang, Yunfang, and Zhong You. "3D Construction of a Tilted Cuboid Mechanical Metamaterial." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-87050.

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Functional metamaterials are gradually becoming the frontier of scientific research and industrial applications. Among them, reconfigurable mechanical metamaterial with inbuilt motion capability could result in unusual physical properties such as shape tunability and programmable density and stiffness. Inspired by the transformable cuboid structure that was first investigated by Ron Resch, we proposed a tilted cuboid structure that can fold into a 3D configuration. By designing the individual building units, face angles and tessellation pattern, we are able to construct a series of reconfigura
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Sun, Long, Chi Gu, Tiger H. Tao, and Zhitao Zhou. "A Degradable Antibacterial Skin Patch of Flexible Terahertz Metamaterials Made from Silk Proteins." In 2020 IEEE 33rd International Conference on Micro Electro Mechanical Systems (MEMS). IEEE, 2020. http://dx.doi.org/10.1109/mems46641.2020.9056132.

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Song, Yihao, and Yanfeng Shen. "Programmable Waveguiding of Ultrasonic Waves for Regional Damage Detection Using Elastic Metamaterials." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23462.

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Abstract This study puts forward a metasurface design which allows the flexible tuning of the elastic wave propagation path, enabling the interrogating wave field guiding into desired monitoring regions for damage detection. As a demonstrative case study, the metasurface plate contains a rectangular array of unit cells sitting in an aluminum plate. Each unit cell is comprised of a shape memory alloy substrate and a lead stub. The controllable bandgap of such a metamaterial system can be achieved due to the stiffness change of nitinol between its martensite phase and austenite phase under a the
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Sugino, Christopher, Stephen Leadenham, Massimo Ruzzene, and Alper Erturk. "Electroelastic Bandgap Formation in Locally Resonant Metamaterial Beams With Piezoelectric Shunts: A Modal Analysis Approach." In ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/smasis2016-9282.

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Metamaterials made from flexible structures with piezoelectric laminates connected to resonant shunt circuits can exhibit vibration attenuation properties similar to those of their purely mechanical locally resonant counterparts. Thus, in analogy to purely mechanical metamaterials, electroelastic metamaterials with piezoelectric resonators can exhibit vibration attenuation bandgaps. To enable the effective design of these locally resonant electroelastic metamaterials, the electromechanical behavior of the piezoelectric patches must be reconciled with the modal behavior of the electroelastic st
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Woo, Janghoon, and Julianna Abel. "Soft Actuators From Flexible Auxetic Metamaterials and Shape Memory Alloys Springs." In ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/smasis2023-111012.

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Abstract Soft robots composed of elastic materials can exhibit nonlinear behaviors, such as variable stiffness and adaptable deformation, that are favorable to cooperation with humans. These characteristics enable soft robots to be used in multiple applications, ranging from minimally invasive surgery and search and rescue in emergency or hazardous environments to marine or space exploration and assistive devices for people with musculoskeletal disorders. Although soft actuators composed of smart materials have been proposed as a control strategy for soft robots, most studies have focused on t
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PARK, YUJIN, YINGJUN ZHAO DUBUC, AMY SLIDER, PINATA H. . SESSOMS, JOHN J. FRASER, and KENNETH J. LOH. "VARIABLE STIFFNESS HONEYCOMB METAMATERIALS FOR ADAPTIVE ANKLE BRACE DESIGN." In Structural Health Monitoring 2021. Destech Publications, Inc., 2022. http://dx.doi.org/10.12783/shm2021/36268.

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Lateral ankle sprains cost billions of dollars in medical expenses annually and frequently result in long-term functional decline and a diminished health-related quality of life. While ankle braces have been shown to be effective in prophylaxis of subsequent ankle sprains, current braces are either too stiff and affect normal gait or too flexible and provide insufficient support during high-intensity activities. In this study, we proposed an adaptive ankle brace design that employs dynamically variable stiffness components to provide minimum support under normal gait movements and maximum rigi
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Kamali Khanghah, Zahra, Miguel Moreno Tenorio, Judith Brown, Guilherme Mainieri Eymael, and Mohammad Ghashami. "Investigation of Passive Radiative Cooling Using Biopolymers." In ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-97143.

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Abstract Passive thermal radiative cooling (PTRC) has drawn massive attention in the past few years due to its advantages, including excellent cooling potential, no emission of greenhouse gases, silent operation, low maintenance, and off-grid operation. PTRC has been successfully demonstrated to reduce the electricity consumption required for cooling and ventilation of buildings. Several radiative emitters have been studied in the literature, such as pigmented paints, nanoparticle-based coatings, photonic crystals, metamaterials, and polymers. Among them, polymers have proven to be inherently
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Reader-Harris, P., A. Ricciardi, T. Krauss, and A. Di Falco. "A mechanically flexible free standing optical filter." In 2013 7th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS 2013). IEEE, 2013. http://dx.doi.org/10.1109/metamaterials.2013.6809003.

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Kitazawa, Mikito, Vivek A. Menon, Hiroaki Honma, Gen Hashiguchi, Hiroshi Toshiyoshi, and Takaaki Suzuki. "Power-Harvesting Flexible Printed Circuit Board with Built-In Mechanical Metamaterial." In 2022 IEEE 35th International Conference on Micro Electro Mechanical Systems Conference (MEMS). IEEE, 2022. http://dx.doi.org/10.1109/mems51670.2022.9699773.

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