...; final manuscript received July 19, 2018; published online September 10, 2018. Assoc. Editor: Stefano Gonella. 30 03 2018 19 07 2018 Materials Ultrasound Vibration control Acoustics Continuum mechanics is capable of yielding exact solutions to elastic wave scattering from...

...Qing Li; Deqing Yang Sandwich structures that are embedded with cellular materials show excellent performance in terms of mechanics, electromagnetics, and acoustics. In this paper, sandwich panels with hybrid cellular cores of hexagonal, re-entrant hexagonal, and rectangular configurations along...

...Mahmoud Alfouneh; Liyong Tong This article presents a novel moving isosurface threshold (MIST) method for designing flexible structures using graded materials with multivolume fractions and constraints and viscous or hysteretic damping under harmonic loadings. By employing a unit dynamic load...

...Umanath R. Poojary; K. V. Gangadharan Magnetorheological elastomer (MRE)-based semi-active vibration mitigation device demands a mathematical representation of its smart characteristics. To model the material behavior over broadband frequency, the simplicity of the mathematical formulation is very...

...: Mahmoud Hussein. 04 01 2017 10 12 2017 Materials Mechatronic systems Sensors and actuators Vibration control Electro-mechanical systems In the last two decades, the technology of film bulk acoustic resonators (FBAR) has gained in maturity and is now widely used...

... for publication in the J OURNAL OF V IBRATION AND A COUSTICS . Manuscript received June 27, 2017; final manuscript received January 4, 2018; published online February 9, 2018. Assoc. Editor: Mahmoud Hussein. 27 06 2017 04 01 2018 Materials Modal analysis Structural dynamics Vibration...

... , Fundamentals of Materials Science and Engineering , 4th ed. , The University of Utah , Salt Lake City, UT. [13] Lee , T. , and Lakes , R. S. , 2001 , “ Damping Properties of Lead Metaniobate ,” IEEE Trans. Ultrason. Ferroelectr. Freq. Control , 48 (1), pp. 48 – 52 . 10.1109/58.895906...

... Materials Sensors and actuators Structural acoustics Ultrasound Vibration control Acoustics Porous and granular media are present in many industrial applications as well as in our daily life, for instance, in pharmaceutics or food-processing like tablets or nuts. Fluid-filled porous media...

... , “ Wave Propagation and Instabilities in Monolithic and Periodically Structured Elastomeric Materials Under Going Large Deformations ,” Phys. Rev. B , 78 ( 18 ), p. 184107 . 10.1103/PhysRevB.78.184107 [4] Liu , C. , Hu , S. , and Shen , S. , 2014 , “ Effect of Flexoelectricity...

... by a rigid flat cap with a small circular hole in the center, which allowed the microphone probe to pass through as it moved from point to point along the axis. A cylindrical piece of acoustic material, with measured normal incident acoustic impedance, was placed at the top of the side branch, which...

...A. B. M. Tahidul Haque; Ratiba F. Ghachi; Wael I. Alnahhal; Amjad Aref; Jongmin Shim The finite element (FE) method offers an efficient framework to investigate the evolution of phononic crystals which possess materials or geometric nonlinearity subject to external loading. Despite its superior...

... energy harvesting, cantilever harvester to the right, and PUMA spectral dynamics analyzer to the left The materials used include a polymeric beam made of Makrolon polycarbonate with modulus of elasticity of 2.34 GPa. The beam is partially covered by a piezoelectric material of lead zirconate...

... materials in which the interaction between unit cells is not limited to the closest neighbor. As an example application of this work, we investigate phonon dispersion curves in hexagonal form of boron nitride to show that first neighbor interaction is not sufficient to model dispersion curves with force...

... – 4269 . [18] Zwikker , C. , and Kosten , C. W. , 1949 , Sound Absorbing Materials , Elsevier , Amsterdam, The Netherlands . [19] Knutsson , M. , Lennblad , J. , Bodén , H. , and Åbom , M. , 2011 , “ A Study on Acoustical Time-Domain Two-Ports Based on Digital Filters...

...H. Al Ba'ba'a; M. Nouh Owing to their ability to block propagating waves at certain frequencies, phononic materials of self-repeating cells are widely appealing for acoustic mitigation and vibration suppression applications. The stop band behavior achieved via Bragg scattering in phononic media...

.... 27 04 2016 10 11 2016 Dynamics Materials Modal analysis Smart materials Vibration control Acoustics Structures Mechanical metamaterials with unusual dynamic behavior are artificially structured composites that exhibit absolute BGs—frequency regions, within which wave...

... condition is applied on the top surface of each nanoplate, the variation of phonon stress σ 33 , shown in Fig. 2 , is nearly independent of material properties. More importantly, the nonlocal parameter does not affect the phonon stress σ 33 . It should be noted that for the local case l  = 0...

...Matteo Filippi; Erasmo Carrera; Andrea M. Regalli This paper evaluates the vibration characteristics of structures with viscoelastic materials. The mechanical properties of viscoelastic layers have been described with the complex modulus approach. The equations of motion are derived using...

... 03 2016 Computer-aided engineering Constitutive relations Materials Structural dynamics Vibration control Acoustics Control Rotating machines such as compressors, turbines, and crankshaft in an internal combustion engines, invariably, exhibit torsional vibrations [ 1 ]. Various...

... . Manuscript received September 25, 2015; final manuscript received March 7, 2016; published online May 25, 2016. Assoc. Editor: Michael Leamy. 25 09 2015 07 03 2016 Materials Propagation Smart materials Structures Vibration control Acoustics Radiation It is always...