This paper reviews the evolution of focused ultrasonic transducers of various kinds for fluid
atomization and vaporization. Ultrasonic transducers used for atomization purposes in …

The frequencies and modes of free vibrations of a thin closed corrugated circular cylindrical
shell with different clamped and free-ends boundary conditions and different physical and …

This paper presents a new approach to amplify the acoustic field generated by a uniform
thickness piezoelectric cylindrical shell by introducing a stepped thickness variation at …

The natural frequencies and modes of cantilever isotropic thin closed corrugated circular
cylindrical shells with arbitrary number of corrugations are determined using the finite …

In this work, a new design method is proposed to intensify the focused acoustic field
generated inside a circular cylindrical piezoelectric transducer. The proposed design …

The results on theoretical and numerical modeling of resonant piezoelectric devices in
China are reviewed. Solutions to dynamic problems of the propagation of bulk acoustic …

This paper presents an innovative fabrication process to produce the PZT-based concave
diaphragm transducer. The novel micromachining process builds a concave diaphragm with …

Piezoelectric plates can provide low-frequency transverse vibrational displacements and
high-frequency planar vibrational displacements, which are usually uncoupled. However …

Coupled extensional and flexural cylindrical vibrations of a corrugated cylindrical
piezoelectric shell consisting of multiple pieces of circular cylindrical surfaces smoothly …

The problem of the free vibrations of the thin circular corrugated open cylindrical shells are
presented. The finite element method was used. The frequencies and forms of free …