Results 21 to 30 of about 737,665 (254)
Investigation of Lamb Waves Propagation in Variable Stiffness Fiber Metal Laminated Plates Using Finite Element Method [PDF]
مکانیک هوافضا, 2023 Lamb waves are mechanically guided waves that propagate through plates and shells, and their speed depends on the frequency. Nowadays, researchers use these waves to detect defects in structures.
Hadi Ghashochi-Bargh, Melina Hasani
doaj
MATEC Web of Conferences, 2019 Lamb waves, as one of the types of guided waves, are extensively used for inspecting large structures as well as for structure health monitoring applications.
Šofer Michal +4 more
doaj +1 more source
The Suitability of Using 3D PLA Printed Wedges for Ultrasonic Wave Propagation
IEEE Access, 2020 This work studies the suitability of using 3D printed PLA wedges made through additive manufacturing to propagate Lamb waves in plate structures instead of using rather more expensive commercial wedges.
Antonio J. Balvantin +5 more
doaj +1 more source
Subsonic Lamb waves in anisotropic plates [PDF]
Quarterly of Applied Mathematics, 2002 A six-dimensional complex formalism for analysis of Lamb waves propagating with subsonic speed in anisotropic plates is formulated. Conditions for nonexistence of certain Lamb waves in anisotropic plates are obtained. An example of a transversely isotropic plate having “forbidden” speed at which no subsonic Lamb wave propagates is presented.
openaire +1 more source
Earth, Planets and Space, 2022 Meteotsunamis (forced waves) triggered by atmospheric disturbances of Lamb waves due to the 2022 Hunga–Tonga volcanic eruption have been observed in coastal areas surrounding the Pacific Ocean.
Takashi Tonegawa, Yoshio Fukao
doaj +1 more source
Study of Lamb Waves for Non-Destructive Testing Behind Screens
EPJ Web of Conferences, 2018 The inspection and control of sodium-cooled fast reactors (SFR) is a major issue for the nuclear industry. Ultrasonic solutions are under study because of the opacity of liquid sodium.
Kauffmann P. +5 more
doaj +1 more source
Global Winds Shape Planetary‐Scale Lamb Waves
Geophysical Research Letters, 2023 In 2022, the Hunga volcano eruption in Tonga generated atmospheric pressure waves that propagated globally and produced tsunamis in all the world's oceans.
Ignacio Sepúlveda +2 more
doaj +1 more source
Application of Nonlinear Lamb Wave Mixing Method for Residual Stress Measurement in Metal Plate
Chinese Journal of Mechanical Engineering, 2023 Harmonic nonlinear ultrasound can offer high sensitivity for residual stress measurements; however, it cannot be used for local stress measurements at a point in space and exhibits nonlinear distortions in the experimental system.
Jingpin Jiao +5 more
doaj +1 more source
Detection of cracks in metal sheets using pulsed laser generated ultrasound and EMAT detection [PDF]
, 2011 A pulsed Nd: YAG laser with an approximately Gaussian beam shape is directed onto the surface of an aluminium sheet at an energy density below which damage by laser ablation occurs, generating Lamb waves in the sheet.
Dixon, S. +3 more
core +1 more source
MathematicsCarbon fiber-reinforced aluminum laminate (CARALL) has excellent properties such as strong impact resistance and fracture toughness. Lamb waves are expected to provide an efficient means for non-destructive testing of CARALL.
Bingquan Lu +3 more
doaj +1 more source