Surface Waves
The Propagation and Amplification of Surface Waves
... period surface waves ...high-frequency surface waves as long as the velocity structure varies smoothly enough laterally [Tromp and Dahlen, ...of waves, the locally 1D assumption is ...
129
Improvement of Antenna Radiation Efficiency by the Suppression of Surface Waves
... The characteristics of coplanar waveguide (CPW) fed ring antennas (such as gain, efficiency and polarization purity) are degraded by the dielectric losses and excitation of surface waves on the substrates. ...
5
Boussinesq modeling of surface waves due to underwater landslides
... of surface waves, and generally give good results, unless there are strong background currents in the ...to waves created by the motion of the ...
19
VISCOELASTIC MODELING OF GROUND RESPONSE TO STRONG SURFACE WAVES
... Since soil dynamic behaviour is nonlinear in nature therefore a nonlinear viscoelastic model for isotropic materials is proposed in this study. This model is a combination of inelasticity and nonlinear damping. In this ...
11
Surface Waves Excitation in Magnetized Spin Quantum Plasmas
... The influence of the intrinsic spin of electrons on the excitation of transverse electromagnetic surface waves in magnetized plasma is considered. We use a fluid formalism to include quantum corrections due ...
9
A STUDY ON THE EFFECTS OF SURFACE WAVES GENERATED
... of surface waves excited by deep sedimentary ...the surface waves about 10 seconds predominate extremely at the central Boso peninsula in eastern part of the Kanto ...amplified surface ...
6
Magnetohydrodynamic surface waves in the solar atmosphere
... of surface waves and their possible application to observations of waves in the solar ...of surface waves and their natural intrinsic interest, we examine in some detail the nature of ...
210
Surface Waves Investigation of a Bianisotropic Chiral Substrate Resonator
... The possibility of employing chiral materials as substrates for the design of MIC and APC, was reported by Lindell [7]. On the other hand, Pozar [8] underlined the serious disadvantages of the use of these materials as ...
16
Horizon effects with surface waves on moving water
... for surface waves from an analogue-gravity perspective were given in ...of surface waves at a white-hole horizon, using water waves in a wave tank with a counter-flow ...how ...
29
Control Surface Waves by Modifying Surface Properties of a Microstrip Patch Antenna Array
... This research is done as the final part of the master Electrical Engineering studied at the University of Twente. The research is done externally at Thales Netherlands, at the branch located in Hengelo, responsible for ...
47
Subharmonic resonant excitation of edge waves by breaking surface waves
... the waves have the same frequency and phase as the wavemaker ...edge waves as a result of sub- harmonic instability, we analyse the water level ...edge waves propagating in opposite ...edge ...
9
Two dimensional surface waves in magnetohydrodynamics
... of waves in magnetohydrodynamic approximation (MHD) applicable to highly collisional magnetised plasmas has a long history (Roberts (1985), Danov & Ruderman ...considered waves in a compressible plasma. ...
17
The pattern of surface waves in a shallow free surface flow
... water surface pattern is not associated with gravity waves then the spatial correlation pattern is related to the underlying ...water surface elevation depends almost linearly with the depth-averaged ...
13
Anisotropic surface waves and instabilities under a vertical electromagnetic force
... This, thesis describes theoretical and experimental research into the anisotropic waves and instabilities which can be produced at the surface of a conducting fluid, or at the interface [r] ...
311
Enhancement of ultrasonic surface waves at wedge tips and angled defects
... wedge waves 6,7 or as a simplified model of an angled surface-breaking defect 2 ; rolling contact fatigue on rails propagates at an angle of around 25 ◦ to the sample surface, and the branching of ...
8
Sound radiation from exponentially growing and decaying surface waves
... Fig. 3, where the real part of f is plotted. The analytical solution given by Eqs. (8) and (9) has also been used to validate a numerical solution (shown on the figure using symbols) based on second-order central ...
7
A study on the near field interactions of ultrasonic surface waves with surface breaking defects
... sample surface and also on tilted defects, although interpretation is more difficult [213–216] ...of waves from the sample backwall) to calculate the position of the defect [79,215,217,218] ...diffracted ...
252
Transmission of obliquely incident surface waves through a narrow gap
... phenomenon was also observed in connection with the scattering of an obliquely incident surface wave train by a fixed vertical partially immersed barrier.. Mandal and Goswami [4], Evans [r] ...
8
Materials evaluation using ultrasonic surface waves
... For bo.th materials studied during fatigue, most of the change in surface wave velocity occured during the very early stages of fatigue life.. During the latter stages of fatigue life th[r] ...
263
The Surface Stresses on the Propagation of Elastic Waves
... and surface waves can furnish information concerning changes of the state of stresses on earth’s crust and hence may be helpful in predicting earth ...
6