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Dataset results
33 results for “Guided waves”
Visualization of guided elastic waves generated by SHPFP transducers
<p>DualSH-PFP_measurement.avi: velocity magnitude generated by the Dual SHPFP and measured by Laser Doppler vibrometry</p> <p>SH-PFP_measurement.avi: velocity magnitude generated by the original SHPFP and measured by Laser Doppler vibrometry</p> <p>DualSHPFP_simulation.avi: circumferential component of the velocity generated by the Dual SHPFP and determined by simulation</p> <p>SHPFP_simulation.avi: circumferential component of the velocity generated by the original SHPFP and determined by simulation</p> <p>All simulations and measurements are performed at a center frequency of 80 kHz.</p>
Ultrasonic guided-waves in quasi-isotropic and cross-ply composite beams using a finite element model
<p>Ultrasonic guided-wave data taken from numerical evaluations of a finite element model (FEM) considering two composite beam structures and applying three noise levels in signal-to-noise ratio (SNR):</p> <ul> <li>Quasi-isotropic carbon fiber composite beam (dimensions: 1m x 4mm x 2mm) with a [+45/-45/90/0]_s layup and a transverse crack (1mm deep at 0.40m from excitation) in it and the following noise levels (the file directories are specified in parentheses): <ul> <li>Noisefree (/Quasi-Isotropic_Crack/Noisefree/MeasurementCrack_NF.mat)</li> <li>SNR 10 dB (/Quasi-Isotropic_Crack/SNR_10dB/MeasurementCrack_10dB.mat)</li> <li>SNR 5 dB (/Quasi-Isotropic_Crack/SNR_05dB/MeasurementCrack_5dB.mat)</li> </ul> </li> <li>Cross-ply carbon fiber composite beam (dimensions: 1m x 3mm x 2mm) with [0_{2}/90]_s stacking sequence and a delamination (5mm long at 0.45m from excitation) in it and the following noise levels: <ul> <li>Noisefree (/Cross-Ply_Delam/Noisefree/MeasurementDelam_NF.mat)</li> <li>SNR 10 dB (/Cross-Ply_Delam/SNR_10dB/MeasurementDelam_10dB.mat)</li> <li>SNR 5 dB (/Cross-Ply_Delam/SNR_05dB/MeasurementDelam_5dB.mat)</li> </ul> </li> </ul> <p>FEM notes: solid elements (i.e. C3D8R in Abaqus) with the following dimensions: 0.5mm thick, 0.5mm width, and 0.2mm long. Damage modes are modeled by node duplication.</p> <p>Ultrasonic tests data: 6-cycle Hanning windowed sinusoid centered at 100 kHz of frequency. Excitation signal at one end of the beam in the vertical direction. Sensor situated at 0.2m from the point of excitation and measuring for 720 \mu s. First antisymmetric mode (A0) is excited.</p>
Ultrasonic guided-wave experiment data for manuscript entitled 'A homogenisation scheme for Lamb ultrasound wave dispersion in textilecomposites through multiscale wave and finite element modelling'
<p>This data set contains the ultrasonic guided wave signals (signal amplitudes as a function of time for different sensors) that were generated and recorded using the transducers and controlling instrument in support of the manuscript entitled 'A homogenisation scheme for Lamb ultrasound wave dispersion in textile composites through multiscale wave and finite element modelling'. The controlling software was programmed in MATLAB and that the attached files are in accordance to the .mat file format.</p> <p>The file names follow the notation described below with an example:</p> <p>S1_10kHz_2cyc (illustrated with an example): S1 represents the number of sensors; 10kHz represents the exciting frequency; 2cyc represents the cycle number of input waveform.</p> <p>Details on the experiment setup are provided within an extra file ('Readme' file).</p>
Supporting materials for manuscript entitled "Investigation of guided wave propagation in pipes fully- and partially-embedded in concrete"
<p>This set contains data in support of some of the figures appearing in an open access manuscript entitled 'Investigation of guided wave propagation in pipes fully- and partially-embedded in concrete,' published at the Journal of the Acoustical Society of America (DOI:10.1121/1.4972118) by the authors.</p> <p>The data set contains the numerical output from finite element (FE) modelling, Semi-analytical FE (SAFE) modelling, simulations using the Disperse software, and experimental measurements of guided wave transmission loss in full-scale laboratory tests. The set contains three separate data files. Details on the specific data is provided within an extra file ('readme' file).</p>
BeMAGIC_Multiferroic materials as flux guides for electromagnetic waves
<p>BeMAGIC ITN (GA861145)_Multiferroic materials as flux guides for electromagnetic waves. Results from VOXALYTIC.</p>
Two Standardized Radial Pressure Wave Techniques Versus Pain-Site Guided Therapy in Patients With Knee Osteoarthritis.
ClinicalTrials.gov study NCT06622512. IPD Sharing: YES. Countries: 1. Publications: 13.
Data for publication: Developing self-calibrating system for fiber Bragg grating based guided wave sensing under changing temperature conditions
<p>Data for section 3 and section 4 Figure 7- Figure 12 i n. txt format for easy viewing without need for special licenses</p> <p>The work related to the automated system was supported by the Project ‘Guided waves based reference-free SHM using fiber Bragg grating sensors (REFFREE)’<br>(2020/39/D/ST8/00188) Granted by National Science Center, Poland.</p>
Guided wave tomography for thickness mapping
<p>This dataset is for mapping thickness variation using non-dispersive guided waves through geometrical full waveform inversion.</p>
[Dataset] Electroelastic guided wave dispersion in piezoelectric plates: spectral methods and laser-ultrasound experiments
<p>Research data for the purpose of reproducing the results presented in the journal publication titled "Electroelastic guided wave dispersion in piezoelectric plates: spectral methods and laser-ultrasound experiments"</p>
Guided wave representations dataset for material property estimation and generation
<p>Material property identification in composite materials is necessary for material degradation as well as non-destructive characterization. The inverse problem needs a forward simulator. Ultrasonic-guided waves are sensitive to material properties and can be used for the purpose. The stiffness matrix method and group velocity calculation routine are used as the forward solver. The solver outputs polar group velocity curves of two fundamental Lamb wave modes for different material properties and ply layup sequences. The curves can be converted into binary images (black and white) named polar representations for image processing algorithms. The datasets contain polar representations corresponding to different material properties and ply layup sequences of a transversely isotropic laminate.</p>
Self-sensing piezoelectric composites via generation and reception of ultrasonic guided waves
Open the record for dataset details and reuse information.
Study of the Guided Wave Sensing by Hybrid Piezoelectric-FBG Approach
<p><span>The objects of the investigation was the panel with dimensions: 1000 mm × 1000 mm × 1 mm made out of aluminium alloy. Elastic waves generation was conducted by piezoceramic actuator (PZT A) in the form of disc. Three diameters of actuators were investigated 10 mm, 20 mm and 30 mm. Actuator was located in the middle of the top surface of the panel</span><span>. The elastic wave sensing was conducted by pair of FBG sensors (on the top and bottom surfaces of panel)</span><span>. Excitation signal – five cycles of sine modulated by Hann window function (tone burst). Excitation frequencies 60 kHz 250 kHz with step 10 kHz. Attached folder contains the data and description file with figure.</span></p> <p> </p> <p><span>The measurements were conducted under the research related to grant agreement no. <strong>2020/39/B/ST8/01753</strong> in the frame of the OPUS project entitled: "Study of elastic wave mode sensing and separation using FBG sensors for structural health monitoring ", supported by the <strong>National Science Centre, Poland</strong>.</span></p>
Supplemental Material for the paper "Hamiltonian model for electron heating by electromagnetic waves during magnetic reconnection with a strong guide field"
<p>Video clip showing the trajectories of two close particles in the (x,px) phase space while interacting with a wave.</p> <p>Red and green dots are the particle positions, superimposed to the instantaneous energy levels.</p>
Folded wave guide TWT for 92 – 95 GHz band outdoor wireless frontend
<p>Underlying data from the conference paper: C. Paoloni, F. André, V. Krozer, R. Zimmermann, Q.T. Le, R. Letizia, S. Kohler, A. Sabaawi, G. Ulisse, “Folded wave guide TWT for 92 – 95 GHz band outdoor wireless frontend”, Workshop on Microwave Technology and Techniques (MTT), ESA/ESTEC, The Netherlands, April 2017.</p>
Guided wave measurements based on dual PZT and FBG sensors in aluminium plate
<p>The upload contains data files for measurement on aluminium plate 1000 mm x 1000 mm x 1 mm for the case of PZT actuation (in the middle) sesing 250 mm from actuation by pairs of 2xFBG and 2xPZT sensors (located as a pairs located on the left and right sied of actuator). Each pair contains of the sam sensor on the top and bottom surface. Frequencies 50-250 kHz, excitation: 5 cycles of sine modulated by Hann window.</p> <p>The measurement campaign will be explained in details in a journal article which is in preparation. The link to the article will be updated. </p> <p>The measurements were conducted under the research related to grant agreement no. 2020/39/B/ST8/01753 in the frame of the OPUS project entitled: "Study of elastic wave mode sensing and separation using FBG sensors for structural health monitoring ", supported by the National Science Centre, Poland.</p>
Cortical Bone Assessment Using Ultrasonic Guided Waves: Towards a Robust Clinical Measurement
ClinicalTrials.gov study NCT05424536. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Effect of Ultrasound-guided Piriformis Muscle Corticosteroid Injection Versus Extracorporeal Shock Wave Therapy for Piriformis Syndrome: a Randomized Control Trial
ClinicalTrials.gov study NCT04684537. IPD Sharing: NO. Countries: 1. Publications: 1.
A Randomized Controlled Trial of Ultrasound-guided Platelet-Rich-Plasma (PRP) Injection Versus Extracorporeal Shock Wave Therapy (ESWT) for Great Trochanter Pain Syndrome (GTPS) With Gluteus Medius or
ClinicalTrials.gov study NCT03774251. IPD Sharing: NO. Countries: 1. Publications: 9.
Pressure Wave Guided Atrial Fibrillation Cryoablation
ClinicalTrials.gov study NCT05603091. IPD Sharing: UNDECIDED. Countries: 1. Publications: 8.
Comparison of Ultrasound-guided Electrolysis Therapy vs. Sham Electrolysis in Patients With Patellar Tendinopathy: A Prospective Randomized Study Including MRI and Shear-wave Ultrasound Elastography I
ClinicalTrials.gov study NCT06939491. IPD Sharing: YES. Countries: 1. Publications: 21.
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International Brain Laboratory public data
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OpenNeuro
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