Rayleigh wave interactions with surface-breaking defects 85
Focused Rayleigh wave EMAT for characterisation of surface breaking defects
... generate Rayleigh waves at 2 MHz in aluminium, corresponding to a meander line spacing of ...detecting defects with depths in the mm range, while still allowing hand- winding of the coils to give a high ...
18
Focused Rayleigh wave EMAT for characterisation of surface-breaking defects
... generate Rayleigh waves at 2 MHz in aluminium, corresponding to a meander line spacing of ...detecting defects with depths in the mm range, while still allowing hand- winding of the coils to give a high ...
18
Analysis of Rayleigh wave interactions for surface crack characterization
... detecting Rayleigh waves, with the transmitter and receiver separated by 150 mm and working in “pitch-catch” ...the surface of aluminium bar containing a surface crack, as shown in Figure ...the ...
10
A study on the near field interactions of ultrasonic surface waves with surface breaking defects
... eration, both for the material under test and for the operator themselves. Safe operation of laser inspection equipment in a laboratory environment requires the use of protective filtered glasses of a rating appropriate ...
252
Lamb wave near field enhancements for surface breaking defects in plates
... eld surface wave ultrasonic enhancements have previously been used to detect surface breaking defects in thick samples using Rayleigh ...analogous surface wave ...
16
Ultrasonic Rayleigh wave enhancements from angled defects in aluminium
... ultrasonic surface wave amplitude and frequency have been observed when an incident wave interacts with a surface ...of surface wave interactions with defects have ...
9
Multi coil focused EMAT for characterisation of surface breaking defects of arbitrary orientation
... new Rayleigh wave EMAT transducer design, employing geometric focusing to improve the signal strength and detection precision of surface break- ing ...of defects as small as ...find ...
18
Multi-coil focused EMAT for characterisation of surface-breaking defects of arbitrary orientation
... new Rayleigh wave EMAT transducer design, employing geometric focusing to improve the signal strength and detection precision of surface break- ing ...of defects as small as ...find ...
18
Exploring surface wave interaction with angled defects in the near and far field
... samples. Surface defects can often propagate at an angle to the surface; however, for calibration, slots machined normal to the surface of the sample are typically ...when Rayleigh ...
5
Multi-model method for simulating 2D Surface-Piercing Wave-Structure Interactions
... 5.3 The numerical methods It is understood that when the gap between the floating structure and the submerged structure becomes small, vortex shedding may become more significant. Consequently, the potential theory based ...
174
Defect feature extraction using surface wave interactions and time frequency behavior
... CONCLUSIONS Modelled Rayleigh OP reflection coefficients showed good agreement with experimental results for cracks with a large range of angles (10º to 170º). Additionally, it was found that amplitude ...
9
Wave-current interactions in a wave-dominated tidal inlet
... water surface to balance the onshore component of the momentum flux, resulting in a higher water level along the shoreline (wave-induced setup) and at the ...the wave forces were present, the pressure ...
19
Wave interaction with defects in pressurized composite structures
... 5. Wave interaction coefficients for a finite joint connecting two bars: analytical(-), WFE-FE(- -) ...GPa. Surface breaking crack of depth 20% of the total depth of the coupling ...
7
Scattering of a Rayleigh Wave by the Edge of a Thin Surface Layer
... Rather, the layer could be treated as a second elastic continuum, and exact solutions to the field equations in both the layer and the substrate could be obtain[r] ...
78
On the starting process of strongly nonlinear vortex/Rayleigh-wave interactions
... Vortex/wave interaction, for the flow in a boundary layer, pipe or channel, for example, concerns the nonlinear interplay between the mean vortex part, comprising longitudinal or streamw[r] ...
23
On Propagation of Rayleigh Type Surface Wave in a Micropolar Piezoelectric Medium
... general surface wave solutions in the ...stress-free surface of the half-space. A secular equation for Rayleigh type surface wave is ...non-dimensional wave speed of the ...
10
Automated Surface Wave Measurements for Evaluating the Depth of Surface-Breaking Cracks in Concrete
... depth can be estimated by using the SWT method. In addition, this process can be automated by using surface- mount sensors. However, the effect of external loadings may pose diffi- culties in the interpretation of ...
15
Wave Breaking and Wave Driven Flow in the Nearshore
... Understanding wave dissipation in the nearshore is approached through modeling of field observations obtained across a variety of beach profiles and under a wide range of wave ...conditions. Wave ...
6
Rayleigh wave scattering at the foot of a mountain
... Not much theoretical study is available on the problem of scattering of elastic waves due to an irregular boundary of finite dlmenslon Recently Momol (1980, 82) has studied the problem o[r] ...
10
Wave breaking in dense plumes
... included, wave breaking is rep- resented by the plume variables attaining the maximum permissible gradient for the chosen ...of wave breaking (Fig. 6), so it is clear that wave ...
11