The sound vibrations directly move a small layer of water, with wave variations appearing in reflected light on and through the water.
The sensor is based on the principle of electromagnetic (EM) surface wave propagation, and consists of a thin-layer of wave-guiding media attached to a metal base (e.g., steel bridge elements) and an EM wave emitter and receiver.
The foam core was monotonically graded based on increasing acoustic wave impedance, with the foam core layer of lowest wave impedance facing the blast.
The motivation is to analyze the effect of ferroelectric inversion layers on wave dispersion and resonant behavior under impulsive line loads.
A seismic study along the rear-arc of the Izu arc (Kodaira et al., 2008) shows marked variations of crustal thickness that are attributed mainly to thickness variations of the middle crustal layer of P-wave velocity 6.0 6.8 km/s.
To address this shortcoming, high-frequency measurements of turbulence obtained within the boundary layer of irregular waves over gravel in the Delta Flume, have been used to calculate values of fw using different evaluation methods.
This work demonstrates the importance of controlling the roughness of the waveguiding layer of a Love wave device, since the nanostructure-dependent response has considerable effects on designing sensitive biochip platforms for clinical and diagnostic applications.
The seismic velocity structure shows that the surface layer of small P-wave velocity (<5 km/s) extends to 10 km in depth (Kato et al., 2009).
The carbon fabric/epoxy composite had the dual roles as the reflection layer of incident EM waves and load bearing face material of sandwich constructions.
We describe a set of experiments in which flexural vibration of aluminum beams over a broad frequency range is damped by introduction of a layer of lossy low-wave-speed foam.
