[PDF] Top 20 Study of Acoustic Waves in A Phononic – Crystal Plate.
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Study of Acoustic Waves in A Phononic – Crystal Plate.
... of staggered grids, differential equations (1) and (2) are transferred into difference equations based on Taylor’s expansion, and then the 3D heterogeneous finite – differences formulation is developed. By arranging the ... See full document
6
Study of Propagation of Ion Acoustic Waves in Argon Plasma
... The properties of small amplitude acoustic waves (IAW) in unmagnetised plasma have been discussed in detail. An experimental set up to study the propagation of IAW in argon plasma has been descried. ... See full document
9
Experimental Study on Diesel Exhaust Particles Agglomeration Using Acoustic Waves
... The acoustic agglomeration is directly proportional to the sound pressure; it means that mounting sound pressure can bring an increase in the acoustic ... See full document
9
Characterisation of acoustic waves in optical waveguides
... Acoustic waves propagate due to the periodic displacement of the molecules inside a waveguide and are characterized by the material density, elasticity, Young modulus, and Poisson’s ratio [Auld, ...an ... See full document
233
On the temporal analysis of acoustic waves using schlieren imaging
... Previous studies involving underexpanded jets using schlieren and shadowgraph methods have focussed mainly on qualitative measurements, where the techniques have been used either purely as a visualisation tool, or as a ... See full document
11
Large-scale numerical modeling of hydro-acoustic waves generated by tsunamigenic earthquakes
... MSEWC (Eq. 5). The selected tsunami events are those generated by the AD 365 Crete earthquake and the 1693 Sicily earthquake. We refer to the paper of Tonini et al. (2011), which estimates the tsunami hazard for the city ... See full document
10
Gyroscopes based on surface acoustic waves
... this study, as the rotation speed was increased from 0 to 1000 deg/s along the y-axis at 20°C, the mixed oscillator frequency difference of the bottom element increased linearly, as shown in Figure ... See full document
10
Band Gaps and Single Scattering of Phononic Crystal
... to study the elastic response of phononic crystal ...to study the propagation of acoustic waves in phononic crystal, we consider a two-dimensional periodic system ... See full document
5
Effects of Microcavity Local Resonators on the Bandgap Characteristics of a Two-Dimensional Phononic Crystal Structure
... two-dimensional phononic structure, which composed of steel tubes placed in air and obtained large bandgaps inaudible frequency range [13, ...component phononic crystal structure and proposed a ... See full document
7
The characterisation of acoustic waves in optical waveguides
... to study acoustic waveguides, for examples the Finite Different Method (FDM) technique [Alford, 1974], or the numerical analysis on elastic waveguides by using mode-matching method [Lawrie, 2009] or an ... See full document
234
Study of the Characteristics of Dust Acoustic Solitary Waves and Dust Acoustic Shock Waves in Electron Free Dusty Space Plasma
... To study the non linear propagation of dust acoustic waves in electron free dusty plasma we have considered positively charged cold, inertial dust grains and Kappa distributed inertia less positive ... See full document
13
On the Directivity of Acoustic Waves Generated by
... improved acoustic‐based Structural Health Monitoring (SHM) and Non‐Destructive Evaluation (NDE) techniques, which provide the waves directivity emitting by the angle‐beam wedge actuators in the thin‐walled ... See full document
15
Surface acoustic waves in two dimensional phononic crystal with anisotropic inclusions
... The purpose of the present study is to elucidate theoretically and numerically the characteristics of bulk and surface acoustic waves in 2D phononic crystals. The presence of elastic ... See full document
7
Fully-disposable multilayered phononic crystal liquid sensor with symmetry reduction and a resonant cavity
... surface acoustic waves, SAW, and bulk acoustic waves, BAW, have been studied in the development of phononic crystal ...dual phononic-photonic crystals, these structures ... See full document
7
Towards Earthquake Shields: A Numerical Investigation of Earthquake Shielding with Seismic Crystals
... surface acoustic waves on two-dimensional phononic crystal in the sub-meter scales, such as a piezoelectric phononic crystals ...dimensional crystal lattice with respect to ... See full document
7
Use of Transient Time Response as a Measure to Characterize Phononic Crystal Sensors
... In Fig. 6, the transient response of the acoustic waves traveling across the phononic crystal sensor at three different concentrations is shown. The system was set to a fixed frequency of 960 ... See full document
9
Phononic and magnonic dispersions of surface waves on a permalloy/BARC nanostructured array
... and phononic bandgaps of the Py/BARC magphonic crystal by Brillouin light ...measured phononic Bragg gap opening and hybridization bandgap are much wider than those previously observed in laterally ... See full document
6
An efficient finite difference time domain algorithm for band structure calculations of Phononic crystal
... elastic waves cannot propagate in any direction is called complete band ...elastic waves in any direction [1,2]. Some applications of phononic crystals are acoustic filters and ... See full document
9
Use of Transient Time Response as a Measure to Characterize Phononic Crystal Sensors
... In Figure 6, the transient response of the acoustic waves traveling across the phononic crystal sensor at three different concentrations is shown. The system was set to a fixed frequency of ... See full document
10
Simulation Analysis of Single Column Plate Phononic Crystals At Low Frequency Band Gap Characteristics
... the acoustic characteristics test, the first time confirmed the existence of the elastic wave band gaps from an ...phonon crystal has the local resonance mechanism of band gap when study with a shot ... See full document
13
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