The paper investigates a disk-shaped piezoelectric transducer with plano-concave surface. Special form of the construction enhances the flexibility of the transducer and improves its effectiveness similar to the known transducers of Cymbal and Moonie types. The analysis of the transducer was performed using the finite element technologies and ANSYS finite element software. The influence of the porosity of the piezoceramic material of the transducer on its performance was studied both in static analysis and steady-state oscillations mode. The porosity of the piezoceramic material was taken into account by the effective properties of porous piezoceramic as a composite structure, which were calculated in numerical experiments on solving the homogenization problems by the effective moduli method and the finite element method.
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Наседкин et al. (2018) studied this question.
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