Results 21 to 30 of about 562,398 (294)
Cloaking strategy for Love waves [PDF]
Extreme Mechanics Letters, 2022 Love waves are antiplane elastic waves which propagate along the surface of a heterogeneous medium. Under time-harmonic regime, they are governed by a scalar equation of the Helmholtz type. We exploit the invariance of this governing equation under an in-plane arbitrary coordinate transformation to design broadband cloaks for surface defects.
Chatzopoulos, Z. +3 more
openaire +2 more sources
Modelling and FEM Simulation of Love Wave SAW-Based Dichloromethane Gas Sensor
Engineering Proceedings, 2022 In this paper, surface acoustic wave (SAW) technology based on love waves was designed in three dimensions for finite element modelling (FEM) and analysis in order to detect volatile organic compounds (VOC).
Anchara Veettil Anoop +2 more
doaj +1 more source
Biosensors, 2022 A highly sensitive and precise Love wave mode surface acoustic wave (SAW) immunosensor based on an ST-cut 90°X quartz substrate and an SiO2 wave-guiding layer was developed to detect cancer-related biomarkers of carcinoembryonic antigens (CEAs).
Chong Li +7 more
doaj +1 more source
Surface Acoustic Wave Biosensor with Laser-Deposited Gold Layer Having Controlled Porosity
Chemosensors, 2021 Laser-deposited gold immobilization layers having different porosities were incorporated into love wave surface acoustic wave sensors (LW-SAWs). Variation of pulsed laser deposition parameters allows good control of the gold film morphology.
Dana Miu +3 more
doaj +1 more source
Modelling of Love Waves in Fluid Saturated Porous Viscoelastic Medium resting over an Exponentially Graded Inhomogeneous Half-space Influenced by Gravity [PDF]
Journal of Applied and Computational Mechanics, 2020 The present article is devoted to a theoretical study on Love wave vibration in a pre-stressed fluid-saturated anisotropic porous viscoelastic medium embedded over an inhomogeneous isotropic half-space influenced by gravity.
Raju Kumhar +2 more
doaj +1 more source
Anomalous surface waves from Lop Nor nuclear explosions: Observations and numerical modeling [PDF]
, 1998 Surface waves from the Chinese test site of Lop Nor are analyzed using long-period and broadband stations located at regional and teleseismic distances and at different azimuths. For most azimuths, strong Love waves between 0.02 and 0.045 Hz are observed
Avouac, Jean-Philippe +2 more
core +1 more source
Harmonic Love wave devices for biosensing applications [PDF]
, 2001 Simultaneous operation of a Love wave biosensor at the fundamental frequency and third harmonic, including the optimisation of IDT metallisation thickness, has been investigated.
Baer +13 more
core +1 more source
Mass Sensitivity Evaluation of Surface Acoustic Wave Biosensor [PDF]
E3S Web of Conferences, 2021 In this paper, the mass sensitivity of a 3-Dimensional SiO2/36°YX LiTaO3 Love mode SAW biosensor is investigated by a novel approach. The normalized displacement confirms the shear horizontal nature of Love wave.
Chen Chen, Xie Yuntao
doaj +1 more source
Europhysics Letters (EPL), 2002 We present a generalized dispersion equation for shear horizontally polarized acoustic waves in a system of a finite thickness substrate covered by a finite thickness solid layer having a lower shear acoustic speed. The solutions to the equation describe both layer guided Love waves and resonant acoustic plate modes.
Newton, MI +4 more
openaire +1 more source
Global Love wave overtone measurements [PDF]
Geophysical Research Letters, 2007 Love wave phase velocities for fundamental and higher modes are difficult to measure because the different modes cannot easily be separated. Following Yoshizawa and Kennett (2002), we generate suites of path specific one‐dimensional shear wave velocity profiles using the Neighbourhood Algorithm of Sambridge (1999a).
Visser, K +3 more
openaire +3 more sources