Numerical ExperimentsRelationship Between ZGV Mode Frequency and Applied StressResults of Stress Field MeasurementTo demonstrate the feasibility of local stress measurement based on S1-ZGV, numerical studies based on the FE method were carried out. Firstly, a two-dimension FE model was established, as shown in Figure 7. A 3 mm-thick aluminum plate was set to be a hyperelastic material, and the properties are the same as in Table 1. To efficiently generate the ...在cjme.springeropen上Github
Dispersion curves of fundamental-mode Lamb waves in Aluminum (6061-T6) plates. Related paper: Zhang, Shengyuan, Chun Min Li, and Wenjing Ye. "Damage localization in plate-like structures using time-varying feature and
Dispersion curves generated by Disperse software helped to identify and evaluate the possible modes of guided waves and its propagation characteristics in the sample. The analysis was
A PWAS with a diameter of 7 mm was used to excite A0 single-mode Lamb waves on a 1.6 mm aluminum plate at a frequency of 150 kHz for power transmission. Two optimization strategies for...
This prediction was verified by a series of experiments conducted on aluminum plate and laminatd composite plate. In all signals the s0 mode Lamb wave, whose group velocity is higher than
The main goal of this paper is to make a quantitative evaluation of the SAFE method by carrying out the following tasks: a) calculation of the dispersion curves (wavenumber, phase velocity,
technique to locate damage in an isotropic plate based on the energy propagation of Lamb waves. The present research focusses on locating a damage in an aluminium plate based on
Analytical non-dimensional Lamb wave dispersion curves of isotropic plates are shown in (a) frequency-wavenumber, (b) phase velocity and (c) group velocity. The black lines
Download scientific diagram a Comparison of group velocity dispersion curve for 1.6 mm thick aluminium plate. b Lamb wave tuning using a 7 mm square PZT placed on a 1.6 mm thick aluminium plate ...
Then, the range of the wavenumber is obtained based on the target thickness using dispersion curves. The wavenumber can be determined from step 4, and the thickness
The Lamb wave A 0 and S 0 modes phase velocity dispersion curves in 2 mm thickness homogenous aluminium plate: calculated using SAFE method (dashed line) and
Download scientific diagram Dispersion characteristics of aluminum material: (a) Dispersion curves expressed as wavenumber-thickness k.d in function of frequency-thickness f.d, (b) Dispersion ...
displacements at few points on the top of the plate. Dispersion curves are computed for transversally isotropic plates with constant thickness and also for plates with slowly varying
aluminum: 6420 m/s, transverse velocity of aluminum: 3040m/s, plate thickness e = 6 mm. To plot the dispersion curves: phase velocity vs. frequency - thickness, we have developed a Matlab
Download scientific diagram 2D-FFT experimental data superimposed on numerically calculated dispersion curves, 13.6 ns pulse-width and 24 mm laser line-length (contour plot). The aluminum plate ...
Download scientific diagram Dispersion curves of an aluminum alloy plate with a thickness of 1.6 mm, phase velocity (a) and group velocity (b) versus frequency. from publication: