Geodesic
Analysis of the influence of porosity and non-uniform polarization of piezoelectric ceramics on the efficiency of a bridge transducer as sensor and actuator
Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika, Tome 18 (2025) no. 2, pp. 218-228

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Flexible piezoelectric transducers, and the transducers with bridge shaped end-caps in particular, have found wide application as acoustic emitters and energy harvesting devices. In this paper, we investigate the possibilities of using porous piezoceramics as an active element of a bridge transducer. Particular attention is paid to taking into account the non-uniform polarization of porous piezoceramics with the use of simplified models. A finite element analysis of the bridge piezoelectric transducer under steady-state oscillations is performed in resonant and non-resonant modes of its operation. It is found that the use of porous piezoceramics increases the efficiency of the transducer during oscillations near the first frequency of electrical antiresonance.
Keywords: electroelasticity, bridge piezoelectric transducer, porous piezoceramics, non-uniform polarization, resonant frequency, sensor, actuator, finite element method. 
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Andrey V. Nasedkin; Anna A. Nasedkina. Analysis of the influence of porosity and non-uniform polarization of piezoelectric ceramics on the efficiency of a bridge transducer as sensor and actuator. Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika, Tome 18 (2025) no. 2, pp. 218-228. http://geodesic.mathdoc.fr/item/JSFU_2025_18_2_a7/