A FEM-based method to determine the complex material properties of piezoelectric disks.

  title={A FEM-based method to determine the complex material properties of piezoelectric disks.},
  author={Nicolas Perez and Ronny Calixto Carbonari and Mateus Andrade and Fl{\'a}vio Buiochi and J. C. Adamowski},
  volume={54 6},
Numerical simulations allow modeling piezoelectric devices and ultrasonic transducers. However, the accuracy in the results is limited by the precise knowledge of the elastic, dielectric and piezoelectric properties of the piezoelectric material. To introduce the energy losses, these properties can be represented by complex numbers, where the real part of the model essentially determines the resonance frequencies and the imaginary part determines the amplitude of each resonant mode. In this… CONTINUE READING
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