Wave MotionSasikorn L,Anil C W.Dispersion effects of extensional waves in pre-stressed imperfectly bonded incompressible elastic lay- ered composites. Wave Motion . 2003Sasikorn L, Anil C W. Dispersion effects of extensional waves in pre-stressed imperfectly bonded incompressible elastic lay- ered ...
by ESRI, ArcMap/ArcGIS, v. 10.8,https://www.esri.com/en-us/home). (a) Extensional and contractional domains in southern-central Italy18and major focal mechanisms (MW > 4.5) from19,20. (b) The density contour of the instrumental seismicity distribution (0 ≤ M ≤ ...
As an application, the speed of propagation of an acceleration wave in a fluid undergoing an extensional flow is considered. Finally, the nearly extensional flow theory is cast in terms of small displacements superposed on the extensional flow. In this form, it may be useful in the study of ...
WAVE PROPAGATIONAPPROXIMATION(MATHEMATICSSYMMETRYFLEXURAL PROPERTIESRAYLEIGH WAVESThin-plate theory suffers from failure to properly predict the correct phase speed of bending waves and extensional waves in the limit of high frequency or large thickness. Mindlin has adapted the basic ideas that Timoshenko ...
This paper presents the experimental design and construction of a new type of standing wave piezoelectric ultrasonic micro-motor. The motor, which is based on a meso-scale prototype [1–3], uses a metallic cymbal to convert the contour mode vibrations of a piezoelectric plate into vertical ...
speedPZTstroboscopefrictiontransientefficiencyNon-contact optical techniques have been used to assess the performance of a new type of standing wave piezoelectric ultrasonic micro-motor. The 2mm diameter motor uses a metallic cymbal to convert the contour mode vibrations of a piezoelectric plate into ...
Higher values of the power-law index are found to lead to a marked decrease in the phase speed and a noticeable increase of the group speed of the extensional wave.doi:10.1016/j.compstruct.2014.06.017K. B. MustaphaElsevier LtdComposite Structures...
This paper presents the techniques used for the characterisation of a new type of standing-wave piezoelectric ultrasonic motor. The motor uses a metallic flextensional amplifier, or "cymbal", to convert the radial mode vibrations of a piezoelectric ceramic disc into flexural oscillations, which are ...
According to Sugano [31], for the transported object conveyed by the traveling wave of flexural deformation of the elastic body, as shown in Figure 20, assuming no slip at the contact point between the elastic body and the transported object, with the transportation speed of the object as U...