Longitudinal wave propagation determination in concrete specimen under impact loading by ultrahigh-speed camera image sequence and strain gauge data analysis
Sign Up to like & getrecommendations! Published in 2025 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/adb16f
Abstract: To demonstrate the potential of an ultrahigh-speed camera with frame rates beyond a million images per second for high dynamic material analysis, cylindrical concrete specimens are tested under compression at strain rates up to 164.3… read more here.
Keywords: image; analysis; longitudinal wave; image sequence ... See more keywords
Anisotropic Longitudinal Wave Propagation in Swine Skull
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control"
DOI: 10.1109/tuffc.2020.3009135
Abstract: To understand the in-plane elastic character of ultrasonic waves in the skull, longitudinal wave velocities were studied in the MHz range using a conventional pulse technique. Taking advantage of the thickness of swine skulls, anisotropic… read more here.
Keywords: diploe layer; swine; longitudinal wave;
Numerical simulation of internal defect imaging with the longitudinal wave generated by laser induced ultrasonic array
Sign Up to like & getrecommendations! Published in 2020 at "Modern Physics Letters B"
DOI: 10.1142/s0217984921501037
Abstract: To verify the performance of longitudinal waves induced by laser phased arrays (LPA) for detection and quantitative evaluation in internal defects, the finite element method (FEM) is utilized to establish the models of LPA scanning… read more here.
Keywords: numerical simulation; internal defect; simulation internal; defect ... See more keywords
A Study on Fatigue State Evaluation of Rail by the Use of Ultrasonic Nonlinearity
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DOI: 10.3390/ma12172698
Abstract: Nonlinear ultrasonic testing has been accepted as a promising manner for evaluating material integrity in an early stage. Stress fatigue is the main threats to train safety, railways examinations for stress fatigue are more significant… read more here.
Keywords: study fatigue; fatigue; wave; harmonic longitudinal ... See more keywords