Journal ArticleDOI
Validation of FEM models based on Carrera Unified Formulation for the parametric characterization of composite metamaterials
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TLDR
In this article, the dispersion relations of composite metamaterials are derived by applying the Bloch-Floquet theory to the unit cell of the periodic microstructure, and transmission curves are computed to validate the band gaps encountered in the analysis of dispersion behavior.About:
This article is published in Journal of Sound and Vibration.The article was published on 2021-04-28. It has received 7 citations till now. The article focuses on the topics: Metamaterial & Finite element method.read more
Citations
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Multidirectional grading influence on static/dynamic deflection and stress responses of porous FG panel structure: a micromechanical approach
Prashik Malhari Ramteke,Nitin Sharma,Jainarayan Choudhary,Priyanshu Hissaria,Subrata Kumar Panda +4 more
TL;DR: In this paper, a multidirectional-graded porous panel structure was modeled numerically using an equivalent single-layer higher-order polynomial model considering the cubic variation of extensional displacement to maintain the necessary stress/strain.
Journal ArticleDOI
Vibration analysis of laminated composite higher order beams under varying axial loads
TL;DR: In this paper , a computational mathematical model was developed to predict the dynamic response of composite laminated beam under variable axial load using a third higher order shear deformation beam theory, for the first time.
Journal ArticleDOI
Band gap characteristics of two-dimensional functionally graded periodic grid structures with local resonators
TL;DR: In this article , the in-plane wave dispersion relations of two-dimensional functionally graded periodic grid structures with local resonators made of the spring oscillator are calculated by spectral element method combined with Bloch theorem, and the effectiveness of the band gap calculation method is verified by the vibration transmission of the finite-length grid structures calculated based on spectral element and finite element method.
Journal ArticleDOI
Longitudinal Wave Localization Using a One-dimensional Phononic Crystal with Differently Patterned Double Defects
Soo-Ho Jo,Byeng D. Youn +1 more
TL;DR: In this article , the authors investigated the energy-localized behaviors of a one-dimensional phononic crystal with closely arranged but differently patterned double defects under longitudinal waves for the first time.
Journal ArticleDOI
Large amplitude vibration analysis of a non-uniform beam under arbitrary boundary conditions based on a constrained variational modeling method
TL;DR: In this paper, a constrained variational modeling method to predict the static and dynamic behaviors of the large deflection non-uniform beam under arbitrary boundary conditions is proposed, and the effect of step location, step length, boundary axial and rotational stiffness on the frequency nonlinearity is further studied.
References
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Journal ArticleDOI
Dynamics of Phononic Materials and Structures: Historical Origins, Recent Progress, and Future Outlook
Journal ArticleDOI
Acoustic metamaterials: From local resonances to broad horizons.
Guancong Ma,Ping Sheng +1 more
TL;DR: This review traces the development of acoustic metamaterials from the initial findings of mass density and bulk modulus frequency dispersions in locally resonant structures to the diverse functionalities afforded by the perspective of negative constitutive parameter values, and their implications for acoustic wave behaviors.
Journal ArticleDOI
Membrane-Type Acoustic Metamaterial with Negative Dynamic Mass
TL;DR: In this article, the authors present the experimental realization and theoretical understanding of a membrane-type acoustic metamaterial with very simple construct, capable of breaking the mass density law of sound attenuation in the 100-1000 Hz regime by a significant margin.
Journal ArticleDOI
Theory of acoustic band structure of periodic elastic composites.
TL;DR: The band structures for the transverse modes of nickel alloy cylinders in an aluminum alloy host, and vice versa are computed, finding band gaps which extend throughout the Brillouin zone.
Journal Article
Membrane-type acoustic metamaterial with negative dynamic mass
TL;DR: The experimental realization and theoretical understanding of a membrane-type acoustic metamaterial with very simple construct, capable of breaking the mass density law of sound attenuation in the 100-1000 Hz regime by a significant margin are presented.
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