Analysis of thin-shell piezoelectric ceramics with engineered resonance characteristics and vibration modes

Abstract

Piezoelectric ceramic transducers with hollow thin shell forms (cylinder, tube, and cone) were fabricated by slip casting method. Characteristic vibration modes of the thin-shell Structures were identified using finite element analysis method. Various vibration modes, such as length extension, radial expansion were obtained from the thin-shell transducers at 50-200 kHz frequencies. The resonance frequencies of these modes were engineered by changing the shape and dimensions of the shells.