FEM-Based determination of real and complex elastic, dielectric, and piezoelectric moduli in piezoceramic materials.

Abstract

We propose an enhanced iterative scheme for the precise reconstruction of piezoelectric material parameters from electric impedance and mechanical displacement measurements. It is based on finite-element simulations of the full three-dimensional piezoelectric equations, combined with an inexact Newton or nonlinear Landweber iterative inversion scheme. We apply our method to two piezoelectric materials and test its performance. For the first material, the manufacturer provides a full data set; for the second one, no material data set is available. For both cases, our inverse scheme, using electric impedance measurements as input data, performs well.

DOI: 10.1109/TUFFC.2008.664

Cite this paper

@article{Lahmer2008FEMBasedDO, title={FEM-Based determination of real and complex elastic, dielectric, and piezoelectric moduli in piezoceramic materials.}, author={T. Lahmer and Manfred Kaltenbacher and Barbara Kaltenbacher and Reinhard Lerch and Erich Leder}, journal={IEEE transactions on ultrasonics, ferroelectrics, and frequency control}, year={2008}, volume={55 2}, pages={465-75} }