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Thermomechanically Tunable Elastic Metamaterials With

Uncertainty quantification of tunable elastic

Elastic metamaterials (EMs) are artificially engineered materials that are commonly realized via a periodic variation in their geometry,mechanical properties,or placement of local resonators.13 1.M.Tunable,reconfigurable,and programmable metamaterials Nov 21,2019 Thermomechanically Tunable Elastic Metamaterials With#0183;Active functions and features achieved by tunable or reconfigurable metamaterials are highly desired in the field of science,engineering,and military.60 There are many tuning mechanisms for controlling the active components,such as electric,60-64 thermal,65-68 and optical.69-72 Various types of active or tunable materials have been Tunable,reconfigurable,and programmable metamaterials Nov 21,2019 Thermomechanically Tunable Elastic Metamaterials With#0183;Active functions and features achieved by tunable or reconfigurable metamaterials are highly desired in the field of science,engineering,and military.60 There are many tuning mechanisms for controlling the active components,such as electric,60-64 thermal,65-68 and optical.69-72 Various types of active or tunable materials have been

Tunable terahertz fishnet metamaterials based on thin

Aug 14,2015 Thermomechanically Tunable Elastic Metamaterials With#0183;The electrically tunable properties of liquid-crystal fishnet metamaterials are theoretically investigated in the terahertz spectrum.A nematic liquid crystal layer is introduced between two Tunable photo-responsive elastic metamaterials Nature May 22,2020 Thermomechanically Tunable Elastic Metamaterials With#0183;The metamaterial paradigm has allowed an unprecedented space-time control of various physical fields,including elastic and acoustic waves.DespiteTunable and Active Phononic Crystals and Metamaterials In this review,we survey recent developments in tunable and active PCs and MMs,including bandgap and bandgap engineering,anomalous behaviors of wave propagation,as well as tunable manipulation of waves based on different regulation mechanisms tunable mechanical reconfiguration and materials with multifield coupling.

Tunable and Active Phononic Crystals and Metamaterials

In this review,we survey recent developments in tunable and active PCs and MMs,including bandgap and bandgap engineering,anomalous behaviors of wave propagation,as well as tunable manipulation of waves based on different regulation mechanisms tunable mechanical reconfiguration and materials with multifield coupling.Tunable Photosensitive Metamaterials Could Improve Elastic Tunable Photosensitive Metamaterials Could Improve Elastic Wave Control LILLE,France,Aug.20,2020 Metamaterials are materials designed with a particular geometric structure in order to obtain new physical properties.Thermomechanically Tunable Elastic Metamaterials With Adding programmable function to elastic metamaterials makes them versatile and intelligent.The objective of this study is to design and demonstrate thermomechanically tunable metamaterials with a compliant porous structure (CPS) and to analyze their thermomechanical behaviors.CPS,the unit cell of the metamaterial,is composed of rectangular

Some results are removed in response to a notice of local law requirement.For more information,please see here.Previous123456NextHarnessing Multiple Folding Mechanisms in Soft Periodic

May 19,2014 Thermomechanically Tunable Elastic Metamaterials With#0183;Hyeonu Heo,Kwangwon Kim,Addis Tessema,Addis Kidane and Jaehyung Ju,Thermomechanically Tunable Elastic Metamaterials With Compliant Porous Structures,Journal of Engineering Materials and Technology,10.1115/1.4038029,140,2,(021004),(2017).Some results are removed in response to a notice of local law requirement.For more information,please see here.12345NextIsotropic Negative Thermal Expansion Metamaterials May 07,2020 Thermomechanically Tunable Elastic Metamaterials With#0183;Adding programmable function to elastic metamaterials makes them versatile and intelligent.The objective of this study is to design and demonstrate thermomechanically tunable metamaterials with a Some results are removed in response to a notice of local law requirement.For more information,please see here.

Reconfigurable mesostructures with prestressing,reverse

Feb 01,2020 Thermomechanically Tunable Elastic Metamaterials With#0183;1.Introduction.Shape plays a vital role in defining functions and properties for both natural organisms and human-made non-living structures.In nature,some creatures are capable of changing their shape to an external environment e.g.,rapid folding of the Venus flytrap after being touched by insects,expansion of pinecones during drying,and blossom of flowers in response toReconfigurable Photonic Metamaterials Nano LettersWe introduce mechanically reconfigurable photonic metamaterials (RPMs) as a flexible platform for realizing metamaterial devices with reversible and large-range tunable characteristics in the optical part of the spectrum.Here we illustrate this concept for a temperature-driven RPM exhibiting reversible relative transmission changes of up to 50%.Reconfigurable Photonic Metamaterials Nano LettersWe introduce mechanically reconfigurable photonic metamaterials (RPMs) as a flexible platform for realizing metamaterial devices with reversible and large-range tunable characteristics in the optical part of the spectrum.Here we illustrate this concept for a temperature-driven RPM exhibiting reversible relative transmission changes of up to 50%.

Publications Jlab

H.Heo,K.Kim,A.Tessema,A.Kidane,and J.Ju,Thermomechanically Tunable Elastic Metamaterials with Compliant Porous Structures,Transactions of the ASME Journal of Engineering Materials and Technology,140(2) Kim and J.Ju,Mechanical Metamaterials with 3D Compliant Porous Structures,Composite Structures,132:874-884,Multi-resonant piezoelectric shunting induced by digital able elastic wave waveguide by placing eight PZT disks in the L-shaped waveguide of a two-dimensional phononic plate,where all the PZT disks were shunted by passive inductive circuits [23].Kwon et al also introduced passive PZT shunting to the design of vibroacoustic metamaterials that can exhibit acoustic waveguides with tunable bandgaps [24].Isotropic Negative Thermal Expansion Metamaterials ACS Thermomechanically Tunable Elastic Metamaterials With Compliant Porous Structures.Journal of Engineering Materials and Technology 2018,140 (2) ,021004.DOI 10.1115/1.4038029.Lingling Wu,Xiaoqing Xi,Bo Li,Ji Zhou.Multi-Stable Mechanical Structural Materials.

Isotropic Negative Thermal Expansion Metamaterials ACS

Smart Honeycomb Mechanical Metamaterials with Tunable Poisson's Ratios.physica status solidi (b) 2020,10 ,1900707. Thermomechanically Tunable Elastic Metamaterials With Compliant Porous Structures.Journal of Engineering Materials and Technology 2018,140 (2) Isotropic Negative Thermal Expansion Metamaterials ACS Smart Honeycomb Mechanical Metamaterials with Tunable Poisson's Ratios.physica status solidi (b) 2020,10 ,1900707. Thermomechanically Tunable Elastic Metamaterials With Compliant Porous Structures.Journal of Engineering Materials and Technology 2018,140 (2) Hyeonu Heo Thermomechanically Tunable Elastic Thermomechanically Tunable Elastic Metamaterials With Compliant Porous Structures Adding programmable function to elastic metamaterials makes them versatile and intelli-gent.The objective of this study is to design and demonstrate thermomechanically tuna-ble metamaterials with a compliant porous structure (CPS) and to analyze their

Harnessing Multiple Folding Mechanisms in Soft Periodic

May 19,2014 Thermomechanically Tunable Elastic Metamaterials With#0183;Hyeonu Heo,Kwangwon Kim,Addis Tessema,Addis Kidane and Jaehyung Ju,Thermomechanically Tunable Elastic Metamaterials With Compliant Porous Structures,Journal of Engineering Materials and Technology,10.1115/1.4038029,140,2,(021004),(2017).From metamaterials to metadevices Nature MaterialsOct 23,2012 Thermomechanically Tunable Elastic Metamaterials With#0183;Metamaterials are man-made structures that allow optical properties to be shaped on length scales far smaller than the wavelength of light.Although metamaterials wereFlexible mechanical metamaterials Nature Reviews MaterialsOct 17,2017 Thermomechanically Tunable Elastic Metamaterials With#0183;Mechanical metamaterials exhibit properties and functionalities that cannot be realized in conventional materials.Originally,the field focused on achieving unusual (zero or negative) values for

Experimental study of an adaptive elastic metamaterial

Over the past decade,acoustic/elastic metamaterials (EMMs) have attracted a great deal of attention due to their peculiar dynamic properties,including a negative mass den-sity and stiffness,which are not observed in naturally occur-ring materials.14 By tailoring the metastructure at the subwavelength scale,acoustic/elastic metamaterials Design of thermal diodes using asymmetric thermal Aug 01,2020 Thermomechanically Tunable Elastic Metamaterials With#0183;During the forward operating mode (T 2 T 1),we design a thermomechanically deformed configuration with a closing mode at the central zone,providing heat conduction by contact of materials with a high thermal conductivity k.Heat flow is assumed to be blocked at the sides due to the high thermal resistance with a low k material,guiding heat flow only through the center.Design of thermal diodes using asymmetric thermal Aug 01,2020 Thermomechanically Tunable Elastic Metamaterials With#0183;During the forward operating mode (T 2 T 1),we design a thermomechanically deformed configuration with a closing mode at the central zone,providing heat conduction by contact of materials with a high thermal conductivity k.Heat flow is assumed to be blocked at the sides due to the high thermal resistance with a low k material,guiding heat flow only through the center.

Cited by 6Publish Year 2017Author Hyeonu Heo,Kwangwon Kim,Addis Tessema,Addis Kidane,Jaehyung JuImages of Thermomechanically Tunable elastic Metamaterial

imagesThermo-Mechanically Tunable Elastic Metamaterials with Sep 28,2017 Thermomechanically Tunable Elastic Metamaterials With#0183;Adding programmable function to elastic metamaterials makes them versatile and intelligent.The objective of this study is to design and demonstrate thermomechanically tunable metamaterials with a Cited by 2Publish Year 2020Author Antonio S.Gliozzi,Marco Miniaci,Marco Miniaci,Annalisa Chiappone,Andrea Bergamini,Benjamin Mor4D Printed Multi-stable Metamaterials with Mechanically Jul 30,2020 Thermomechanically Tunable Elastic Metamaterials With#0183;Adding programmable function to elastic metamaterials makes them versatile and intelligent.The objective of this study is to design and demonstrate thermomechanically tunable metamaterials with a Active control on topological immunity of elastic wave Jun 10,2020 Thermomechanically Tunable Elastic Metamaterials With#0183;Phononic crystals and elastic wave metamaterials are artificial structures which are arranged periodically and have received lots of attention 1,2,3,4,5,6,7,8.These new kinds of

Abnormal Poisson's ratio and Linear Compressibility in

The Poisson's ratio of perovskites with a high degree of anisotropy can change from negative to positive and become much larger than the normally observed range of 0.20.4 and even greater than the isotropic upper limit 0.5 along certain crystallographic orientations.These results pave the way for a better understanding of elasticmediated physical properties of perovskites by engineering A reconfigurable magnetorheological elastomer acoustic 1 hour ago Thermomechanically Tunable Elastic Metamaterials With#0183;In this Letter,a MRE-AMM is fabricated,but rather than exploiting the magnetic field stiffening effect for tunable acoustic properties,the magnetic force of attraction of the MRE to a magnet is utilized to decorate the MRE plate with magnetic masses that can be easily repositioned to engineer the desired acoustic propagation.A reconfigurable magnetorheological elastomer acoustic 1 hour ago Thermomechanically Tunable Elastic Metamaterials With#0183;In this Letter,a MRE-AMM is fabricated,but rather than exploiting the magnetic field stiffening effect for tunable acoustic properties,the magnetic force of attraction of the MRE to a magnet is utilized to decorate the MRE plate with magnetic masses that can be easily repositioned to engineer the desired acoustic propagation.

A multi-layer active elastic metamaterial with tuneable

A multi-layer active elastic metamaterial with tuneable and simultaneously negative mass and stiffness To cite this article S A Pope and H Laalej 2014 Smart Mater.Struct.23 075020 View the article online for updates and enhancements.Related content Performance and stability analysis of active elastic metamaterials with a tunableA hybrid elastic metamaterial with negative mass density Aug 01,2017 Thermomechanically Tunable Elastic Metamaterials With#0183;Acoustic/elastic metamaterials are artificially engineered materials composed of subwavelength microstructures that behave like a continuous medium with unusual effective properties.For example,the assembly of dipolar locally resonant meta-structures into a bulk medium exhibited a peculiar negative effective mass density ( Yu et al.,2006 4D printed origami metamaterials with tunableAug 23,2020 Thermomechanically Tunable Elastic Metamaterials With#0183;Origami has received significant interest from the science and engineering community as a design method and used to construct expandable mechanical me

4D printed multi-stable metamaterials with mechanically

SMP multi-stable metamaterials enable multi-stable controllable deformation and large self-expansion.This 4D print reconfigurable and deployable and mechanically tunable metamaterial has great application prospects in intelligent robots,self-expanding structures,acoustic control devices and flexible wearables. Thermomechanically Tunable Elastic Metamaterials Adding programmable function to elastic metamaterials makes them versatile and intelligent.The objective of this study is to design and demonstrate thermomechanically tunable metamaterials with a compliant porous structure (CPS) and to analyze their thermomechanical behaviors.CPS,the unit cell of the metamaterial,is composed of rectangular holes,slits,and bimaterial hinges.

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